1“Low-Pincount Workshop”Uporaba MPLABMPLAB 1 IDE &FLASH Starter Kit PICkit IDE &FLASH Starter Kit PICkit “Low-Pincount Workshop”Uporaba MPLABMPLAB vin

vin

“Low-Pincount Workshop”

Uporaba MPLAB MPLAB ^{® ®} IDE &

FLASH Starter Kit PICkit ^TM 1

“Low-Pincount Workshop”

Uporaba MPLAB MPLAB ^{® ®} IDE &

FLASH Starter Kit PICkit ^TM 1

vin

Izvedba:

Izvedba:

Izvedba:

Izvedba:

Elbacomp

Elbacomp

vin Urnik: Urnik: Urnik: Urnik:

 Predstavitev in PC / MPLAB

nastavitve 9:00 - 9:20

 PICkit ^TM 1 – Start 9:20 -9:40

 Kaj je MPLAB MPLAB ^{® ®} 7.xx 9:40 -10:00

 Več o PicKit-1 10:00 -10:45

 Praktična uporaba PICkit ^TM 1 11:00-12:30

 Arhitektura PIC12F675 13:30-14:00

 Primeri programov 14:00-15:45

 Pregled razvojnih orodij 15:45-16:00

 Predstavitev in PC / MPLAB

nastavitve 9:00 - 9:20

 PICkit ^TM 1 – Start 9:20 -9:40

 Kaj je MPLAB MPLAB ^{® ®} 7.xx 9:40 -10:00

 Več o PicKit-1 10:00 -10:45

 Praktična uporaba PICkit ^TM 1 11:00-12:30

 Arhitektura PIC12F675 13:30-14:00

 Primeri programov 14:00-15:45

 Pregled razvojnih orodij 15:45-16:00

vin

Predstavitev Predstavitev Elbacomp d.o.o.

Elbacomp d.o.o.

in in

Microchip Technology Microchip Technology

Predstavitev Predstavitev Elbacomp d.o.o.

Elbacomp d.o.o.

in in

Microchip Technology

Microchip Technology

vin Corporate Overview Corporate Overview Corporate Overview Corporate Overview

 Leading semiconductor manufacturer:

 of high-performance, field-programmable, 8-bit & 16-bit RISC Microcontrollers

 of Analog & Interface products

 of related Memory products

 for high-volume embedded control applications

 $572M in product sales in FY02, $700M run rate today

 Almost 3,000 employees

 Headquartered near

Phoenix in Chandler, AZ

“The Silicon Desert”

 Leading semiconductor manufacturer:

 of high-performance, field-programmable, 8-bit & 16-bit RISC Microcontrollers

 of Analog & Interface products

 of related Memory products

 for high-volume embedded control applications

 $572M in product sales in FY02, $700M run rate today

 Almost 3,000 employees

 Headquartered near

Phoenix in Chandler, AZ

“The Silicon Desert”

vin Worldwide Technical Support Worldwide Technical Support Centers & Manufacturing Facilities Centers & Manufacturing Facilities

Detroit Chicago

Toronto



 Boston San Jose

Los Angeles ^ New York

Dallas



 

Atlanta

London^ Paris^{ }

Milan

Munich



Shin-Yokohama

Bangalore ^

Hong Kong Taipei



Seoul



Singapore



 Shenzhen Beijing

• .

• .

Phoenix ^

 Kaohsiung Chengdu^

Fuzhou^

Sydney_ Kokomo

•

.

• .

Qingdao





Shanghai

Arizona Manufacturing and

Corporate HQ

Oregon Oregon

Manufacturing Manufacturing

Shanghai Shanghai Test & Assembly Test & Assembly

Bangkok

Test & Assembly

vin

PICkit

PICkit ^{TM TM} 1 1

FLASH Starter Kit FLASH Starter Kit

Start

Start …... …...

PICkit

PICkit ^{TM TM} 1 1

FLASH Starter Kit FLASH Starter Kit

Start

Start …... …...

vin

vin FLASH Starter Kit FLASH Starter Kit ^{PICkit PICkit TM TM 1 1} PICkit

PICkit ^{TM TM} 1 1

FLASH Starter Kit

FLASH Starter Kit

vin ^{PICkit PICkit TM TM} 1 Hardware Features 1 Hardware Features

The Programmer The Programmer

PICkit

PICkit ^{TM TM} 1 Hardware Features 1 Hardware Features

The Programmer The Programmer

•Uses PIC16C745

•CCP Driven Charge pump for Vpp voltage.

•USB Powered.

•Can write 1k words in 8 seconds.

•Minimum parts count for

minimum cost.

vin ^{PICkit PICkit TM TM} 1 Hardware Features 1 Hardware Features

The 8/14 pin Evaluation The 8/14 pin Evaluation

PICkit

PICkit ^{TM TM} 1 Hardware Features 1 Hardware Features

The 8/14 pin Evaluation The 8/14 pin Evaluation

•Supports 8/14 pin Flash devices

•Programmed via ICSP

•Includes a button

& Potentiometer

•Shows

multiplexing of 12 LED’s (8

provided)

•I/O pins are attached to an

expansion header.

vin ^{PICkit PICkit TM TM} 1 Hardware 1 Hardware

Prototyping Area Prototyping Area

PICkit

PICkit ^{TM TM} 1 Hardware 1 Hardware

Prototyping Area Prototyping Area

 Innovative Snap-off Prototyping area

 Patterns placed for RS-232 interface & 5v power supply.

 Pattern also placed for 14 pin DIP & decoupling capacitor

 Innovative Snap-off Prototyping area

 Patterns placed for RS-232 interface & 5v power supply.

 Pattern also placed for 14 pin

DIP & decoupling capacitor

vin PICkit PICkit PICkit PICkit ^{TM TM TM TM} 1 GUI 1 GUI 1 GUI 1 GUI

 GUI runs

independently from MPLAB.

 GUI gives access to all PICkit ^TM 1

features.

Read/write/erase/verify

 Source code for GUI

is provided.

vin PICkit PICkit PICkit PICkit ^{TM TM TM TM} 1 Package Features 1 Package Features 1 Package Features 1 Package Features

•PICkit ^TM 1 Hardware Kit

•USB cable

•Quickstart Guide

•Tips n’ Tricks

•MPLAB ^® CDROM

•PICkit ^TM 1 CDROM Users Manual

Example Software

PICkit ^TM 1 Programmer GUI

vin Getting Started Getting Started Getting Started Getting Started

 Install PICkit ^TM 1 CD-ROM

 Select Quick Start / Install PICkit ^TM 1 Software from menu

 Connect USB cable to PC and PICkit ^TM 1

 Demonstration software has already been downloaded to the PICmicro in the PICkit ^TM 1

 For proper operation

 LEDs will sequentially blink ON and OFF

 Press switch SW1 to reverse blinking sequence

 Install PICkit ^TM 1 CD-ROM

 Select Quick Start / Install PICkit ^TM 1 Software from menu

 Connect USB cable to PC and PICkit ^TM 1

 Demonstration software has already been downloaded to the PICmicro in the PICkit ^TM 1

 For proper operation

 LEDs will sequentially blink ON and OFF

 Press switch SW1 to reverse blinking sequence

vin Directories….. Directories….. Directories….. Directories…..

 PICkit ^TM 1 Flash Starterkit : use defaults

 MPLAB ^® 6.xxx: use defaults

 Workshop-files: c:\lessons

 PICkit ^TM 1 Flash Starterkit : use defaults

 MPLAB ^® 6.xxx: use defaults

 Workshop-files: c:\lessons

vin MPLAB _MPLAB ^{® ®} IDE CD IDE CD

User Guides

Dev Tools Guide 3rd Party Guide

Data sheets w/ errata’s Free Demo Compilers

Quarterly Product Line Card User Guides

Dev Tools Guide 3rd Party Guide

Data sheets w/ errata’s Free Demo Compilers

Quarterly Product Line Card

DS51123

It’s Free!

vin MPLAB MPLAB ^{® ®} 7 7 .xx .xx

Predstavitev Predstavitev kako uporabiti

kako uporabiti ….. …..

MPLAB

MPLAB ^{® ®} 7 7 .xx .xx

Predstavitev Predstavitev kako uporabiti

kako uporabiti ….. …..

vin ^{MPLAB MPLAB MPLAB MPLAB ® ® ® ® 7 7 7 7 .xx Layout .xx Layout .xx Layout .xx Layout}

Status Bar Tool Bar

Workspace

Project Window

Output Window (tabs are added

as tools are enabled)

Buttons are added to the

Toolbar as features are enabled

vin Setup Information Setup Information ^{MPLAB MPLAB ® ® IDE IDE} MPLAB

MPLAB ^{® ®} IDE IDE

Setup Information Setup Information

 Workspace:

 Contains setup information which includes:

– Selected device from menu

– Debug tool and/or programmer

– Open windows used and their location

– IDE configuration settings

 Project:

 Contains source files needed to build and test an application

 Workspace:

 Contains setup information which includes:

– Selected device from menu

– Debug tool and/or programmer

– Open windows used and their location

– IDE configuration settings

 Project:

 Contains source files needed to build and test

an application

vin MPLAB ^MPLAB MPLAB ^{MPLAB ® ® ® ®} IDE Windows IDE Windows IDE Windows IDE Windows

 Windows available in a new workspace

 Project

 Output

 Disassembly

 Watch

 Hardware Stack

 Program memory

 File Registers

 EEPROM data

 Special Function Registers

 Windows available in a new workspace

 Project

 Output

 Disassembly

 Watch

 Hardware Stack

 Program memory

 File Registers

 EEPROM data

 Special Function Registers

vin Window Descriptions Window Descriptions ^{MPLAB MPLAB ® ® IDE IDE} MPLAB

MPLAB ^{® ®} IDE IDE

Window Descriptions Window Descriptions

 Project

 Project files within a project by file type:

– Source Files, Header Files, Object Files, Library Files & Linker Scripts

 Output

 Tabbed information about program output

 Disassembly

 Disassembled code is viewed

– Breakpoints can be set in code

 Project

 Project files within a project by file type:

– Source Files, Header Files, Object Files, Library Files & Linker Scripts

 Output

 Tabbed information about program output

 Disassembly

 Disassembled code is viewed

– Breakpoints can be set in code

vin Window Descriptions (cont.) Window Descriptions (cont.) ^{MPLAB MPLAB ® ® IDE IDE} MPLAB

MPLAB ^{® ®} IDE IDE

Window Descriptions (cont.) Window Descriptions (cont.)

 Watch

 Program symbols can be monitored and displayed while program is running

 Hardware stack

 Stack data is displayed in 3 columns

– Top of Stack, Stack level & return address

 Program memory

 Opcodes are displayed 5 different ways

– Opcode Hex, Machine & Symbolic

 Watch

 Program symbols can be monitored and displayed while program is running

 Hardware stack

 Stack data is displayed in 3 columns

– Top of Stack, Stack level & return address

 Program memory

 Opcodes are displayed 5 different ways

– Opcode Hex, Machine & Symbolic

vin Window Descriptions (cont.) Window Descriptions (cont.) ^{MPLAB MPLAB ® ® IDE IDE} MPLAB

MPLAB ^{® ®} IDE IDE

Window Descriptions (cont.) Window Descriptions (cont.)

 File registers

 General purpose registers are displayed

 EEPROM Data

 Data memory stored in EEPROM is displayed

 Special Function Registers (SFR)

 Symbolic names for SFRs are displayed

 File registers

 General purpose registers are displayed

 EEPROM Data

 Data memory stored in EEPROM is displayed

 Special Function Registers (SFR)

 Symbolic names for SFRs are displayed

vin ^{MPLAB MPLAB ® ®} v6.20 IDE v6.20 IDE

With Sample Code Loaded With Sample Code Loaded

MPLAB

MPLAB ^{® ®} v6.20 IDE v6.20 IDE

With Sample Code Loaded With Sample Code Loaded

October 2002

October 2002 Microchip ConfidentialMicrochip Confidential Slide Slide 66

DSC Division Review

vin Creating a Project Creating a Project Creating a Project Creating a Project

 Objectives

 Using the Project Wizard in MPLAB ^® IDE

 Creating simple MPASM™ code written in MPLAB ^® IDE (nop.asm)

 Building code in MPLAB ^® IDE

 Introduce the Output Window and Program Memory Window

 Selecting Build Options

 Objectives

 Using the Project Wizard in MPLAB ^® IDE

 Creating simple MPASM™ code written in MPLAB ^® IDE (nop.asm)

 Building code in MPLAB ^® IDE

 Introduce the Output Window and Program Memory Window

 Selecting Build Options

vin Using Project Wizard Using Project Wizard ^{MPLAB MPLAB ® ® IDE: IDE:}

MPLAB

MPLAB ^{® ®} IDE: IDE:

Using Project Wizard Using Project Wizard

 Starting a new project

 Select: Project-> Project Wizard Select: Next

 Starting a new project

 Select: Project-> Project Wizard

Select: Next

vin Project Wizard: Select Device Project Wizard: Select Device Project Wizard: Select Device Project Wizard: Select Device

 Step 1: Select: PIC12F675 Select: Next

 Step 1: Select: PIC12F675

Select: Next

vin Project Wizard: Select Toolsuite Project Wizard: Select Toolsuite Project Wizard: Select Toolsuite Project Wizard: Select Toolsuite

 Step 2: Select: Microchip MPASM™ Toolsuite Select: Next

 Step 2: Select: Microchip MPASM™ Toolsuite

Select: Next

vin Project Wizard: Select Name Project Wizard: Select Name Project Wizard: Select Name Project Wizard: Select Name

 Step 3:

Project Directory:

C:\ProgramFiles\Microchip\PICkit1\Tutorials

Project Name: Workshop In A Box Select: Next

 Step 3:

Project Directory:

C:\ProgramFiles\Microchip\PICkit1\Tutorials

Project Name: Workshop In A Box

Select: Next

vin Project Wizard: Summary Project Wizard: Summary Project Wizard: Summary Project Wizard: Summary

 Step 4: Summary of new project parameters

 Select: Finish

 Step 4: Summary of new project parameters

 Select: Finish

vin Project Wizard Completed Project Wizard Completed Project Wizard Completed Project Wizard Completed

 Project name assigned

 Next step is to make this project useful

 Windows are added which display debugging capabilities of MPLAB IDE

 Project name assigned

 Next step is to make this project useful

 Windows are added which display debugging

capabilities of MPLAB IDE

vin How to Open Windows in How to Open Windows in MPLAB

MPLAB ^{® ®} IDE IDE

How to Open Windows in How to Open Windows in

MPLAB

MPLAB ^{® ®} IDE IDE

 MPLAB ^® Workspace configured for use

 Select View ->

Output View ->

Dissasembly View ->

Watch View ->

Hardware Stk View ->

Pgm Memory View ->

File Registers View ->

EEPROM View ->

SFRs

 MPLAB ^® Workspace configured for use

 Select View ->

Output View ->

Dissasembly View ->

Watch View ->

Hardware Stk View ->

Pgm Memory View ->

File Registers View ->

EEPROM View ->

SFRs

vin ^{MPLAB MPLAB ® ®} Windows Open Windows Open With No Code Loaded With No Code Loaded MPLAB

MPLAB ^{® ®} Windows Open Windows Open

With No Code Loaded

With No Code Loaded

vin Select a MPLAB Select a MPLAB ^{® ®} SIM SIM Debug Tool

Debug Tool Select a MPLAB

Select a MPLAB ^{® ®} SIM SIM Debug Tool

Debug Tool

 Debugger -> Select Tool -> MPLAB SIM

 MPLAB SIM chosen for this example

 Debugger -> Select Tool -> MPLAB SIM

 MPLAB SIM chosen for this example

vin Adding Symbols to Monitor in Adding Symbols to Monitor in Watch Window

Watch Window

Adding Symbols to Monitor in Adding Symbols to Monitor in

Watch Window Watch Window

 View -> Watch

 enter registers/variables to watch

 click “Add SFR” or “Add Symbol”

 View -> Watch

 enter registers/variables to watch

 click “Add SFR” or “Add Symbol”

vin Debugging using MPSIM™ Debugging using MPSIM™

Simulator Simulator

Debugging using MPSIM™

Debugging using MPSIM™

Simulator Simulator

 The MPLAB ^® IDE Program

 The MPLAB ^® IDE Program

Output Window Source Code

Project Window

Watch

Window

vin Setup Configuration Bits in Setup Configuration Bits in PICmicro

PICmicro ^{® ®} MCUs MCUs

Setup Configuration Bits in Setup Configuration Bits in

PICmicro

PICmicro ^{® ®} MCUs MCUs

 PIC ^® MCUs have Configuration Bits

 Configuration bits are setup at program or debug time.

 Set the Configuration Bits first, with Configure -> Configuration Bits,

then program the device.

 Configuration Bits are Important!

Read the data sheet for your specific chip!

 PIC ^® MCUs have Configuration Bits

 Configuration bits are setup at program or debug time.

 Set the Configuration Bits first, with Configure -> Configuration Bits,

then program the device.

 Configuration Bits are Important!

Read the data sheet

for your specific chip!

vin MPLAB ^MPLAB MPLAB ^{MPLAB ® ® ® ®} Project With Labels Project With Labels Project With Labels Project With Labels

Device Program Counter

W Register Status Register:

UC=1, LC=0

Checksum

Word Wrap

vin

PIC12F675 PIC12F675

Arhitektura Arhitektura

PIC12F675 PIC12F675

Arhitektura

Arhitektura

vin

PIC12F629/675 PIC12F629/675 Block Diagram Block Diagram

PIC12F629/675

PIC12F629/675

Block Diagram

Block Diagram

vin 8-Pin & 14-Pin Features 8-Pin & 14-Pin Features 8-Pin & 14-Pin Features 8-Pin & 14-Pin Features

PIC12F629/ PIC12F675

 1.8K Bytes Flash Program (1Kw)

 64 Bytes Data RAM

 128 Bytes Data EEPROM

 1 Comparator

 1x8, 1x16 bit counters

 Precision Internal OSC

 Brown-Out Reset (BOR)

 Watchdog Timer (WDT)

 PDIP, SOIC, DFN

 4 x 10-bit A/D (12F675)

PIC12F629/ PIC12F675

 1.8K Bytes Flash Program (1Kw)

 64 Bytes Data RAM

 128 Bytes Data EEPROM

 1 Comparator

 1x8, 1x16 bit counters

 Precision Internal OSC

 Brown-Out Reset (BOR)

 Watchdog Timer (WDT)

 PDIP, SOIC, DFN

 4 x 10-bit A/D (12F675)

PIC16F630/ PIC16F676

 1.8K Bytes Flash Program (1Kw)

 64 Bytes Data RAM

 128 Bytes Data EEPROM

 1 Comparator

 1x8, 1x16 bit counters

 Precision Internal OSC

 Brown-Out Reset (BOR)

 Watchdog Timer (WDT)

 PDIP, SOIC, TSSOP

 8 x 10-bit A/D (16F676)

PIC16F630/ PIC16F676

 1.8K Bytes Flash Program (1Kw)

 64 Bytes Data RAM

 128 Bytes Data EEPROM

 1 Comparator

 1x8, 1x16 bit counters

 Precision Internal OSC

 Brown-Out Reset (BOR)

 Watchdog Timer (WDT)

 PDIP, SOIC, TSSOP

 8 x 10-bit A/D (16F676)

vin PIC12F6xx <-> PIC16F630/676 PIC12F6xx <-> PIC16F630/676 PIC12F6xx <-> PIC16F630/676 PIC12F6xx <-> PIC16F630/676

PIC12F675 PIC12F675 PIC12F629

PIC12F629

PIC16F630

PIC16F630 PIC16F676 PIC16F676

8 x 10-bit A/D 8 x 10-bit A/D

4 x 10-bit A/D

4 x 10-bit A/D

vin 8-pin and 14-pin Compatibility 8-pin and 14-pin Compatibility 8-pin and 14-pin Compatibility 8-pin and 14-pin Compatibility

8 - P in 14 - P in

V

GP5/T1CKI/OSC1/CLKIN GP4/AN3/T1G/OSC2/CLKOUT VDDGP3/MCLR/V

V

GP0/AN0/CIN+/ICSPDAT GP1/AN1/CIN-/ICSPCLK GP2/AN2/T0CKI/INT/COUT RC0/AN4

RC1/AN5 RC2/AN6 RC3/AN7

RC4

RC5

vin 8-18 Pin Migration 8-18 Pin Migration 8-18 Pin Migration 8-18 Pin Migration

PIC12F675 PIC12F675

D ig ita l/ C om pa ra to r D ig ita l/ C om pa ra to r

PIC12F629 PIC12F629

PIC16F676 PIC16F676

PIC16F630 PIC16F630

PIC16F818/9 PIC16F818/9

PIC16F627/8 PIC16F627/8

PIC16C62xA PIC16C62xA

PIC16C71x PIC16C71x

PIC12C50xA PIC12C50xA

A /D A /D

PIC16C505 PIC16C505

8 Pin

8 Pin 14 Pin 14 Pin 18 Pin 18 Pin

Flash Flash

OTP OTP Enh Flash Enh Flash

PIC12C671/2

PIC12C671/2

vin Low Pin Count Low Pin Count Migration Paths Migration Paths

Low Pin Count Low Pin Count Migration Paths Migration Paths

PIC12F629 PIC12F675 PIC12F629 PIC12F675

PIC12C50x PIC12C67x PIC12C50x PIC12C67x

Flash, 10-bit A/D,

EEPROM, Comparat or, Better Intosc, 2V

Operation ,

x14 Core

PIC16F630 PIC16F676 PIC16F630 PIC16F676

PIC16C505 PIC16C505

Flash, A/D, EEPROM, Comparator , Better Intosc 2V

Operation, x14 Core More I/O,

More A/D channels

More I/O

Flash, 10-bit A/D, Better Intosc, more I/O, 2V

Operation, Comparator, EEPROM, x14 Core

Lower cost

PIC16F62x PIC16F81x PIC16F62x PIC16F81x

PIC16C62x PIC16C71x PIC16C62x PIC16C71x

Flash, 10- bit A/D, EEPROM, Better Intosc, 2V Operation , More Memory, USART More I/O and

memory,

Serial comms, CCP Lower cost,

more A/D

Flash, EEPROM, 10-bit A/D, Lower cost, Better Intosc, 2V

Operation Lower

cost

More I/O

Lower

cost

vin

Flash - Quality !!!!

Flash - Quality !!!! Flash - Quality !!!!

Flash - Quality !!!!

vin Strength - PEEC Flash Strength - PEEC Flash Program Memory

Program Memory

Strength - PEEC Flash Strength - PEEC Flash

Program Memory Program Memory

So What:

 Best in the Industry Endurance Prove it:

 Endurance - From Datasheet Spec

 100,000 Erase/Write Cycles Program Memory

 1,000,000 Erase/Write Cycles Data EEPROM

* How important is quality and reliability in the application?

So What:

 Best in the Industry Endurance Prove it:

 Endurance - From Datasheet Spec

 100,000 Erase/Write Cycles Program Memory

 1,000,000 Erase/Write Cycles Data EEPROM

* How important is quality and reliability in the

application?

vin Strength - Data EEPROM Strength - Data EEPROM Strength - Data EEPROM Strength - Data EEPROM

 Provide Non-Volatile Storage for:

 Calibration values

 Serial numbers

 After Production modification/customization

 Storing custom settings during power down

 Data EEPROM is Separate from Program Memory

 More Read/Write cycles than Program Memory

 Microcontroller can continue executing code while writing to Data EEPROM

 Provide Non-Volatile Storage for:

 Calibration values

 Serial numbers

 After Production modification/customization

 Storing custom settings during power down

 Data EEPROM is Separate from Program Memory

 More Read/Write cycles than Program Memory

 Microcontroller can continue executing code while

writing to Data EEPROM

vin

ADC ADC ADC ADC

10 Bit versus 8 Bit

10 Bit versus 8 Bit

vin Advantages of a Advantages of a Advantages of a Advantages of a 10-bit 10-bit 10-bit 10-bit A/D A/D A/D A/D

IN ^{Adjust Amp 8-bit} _A/D ^Digital _MCU

0V 5V

2V

0V 5V

0V 5V 3V 1V

10100100 00100101 10001110 10001001 00101001 11111010 To get 8-bit Resolution with an 8-bit

A/D, the signal must be full scale

vin Advantages of a Advantages of a Advantages of a Advantages of a 10-bit 10-bit 10-bit 10-bit A/D A/D A/D A/D

PIC12F675

IN

0V 5V 3V 1V

 Signal can be measured directly

 10-bits means 1024 steps

 2V/5V*1024 = 409steps

 more than 8-bit resolution

 No more scaling required

 No more adjustments required

 Less components

 Signal can be measured directly

 10-bits means 1024 steps

 2V/5V*1024 = 409steps

 more than 8-bit resolution

 No more scaling required

 No more adjustments required

 Less components

ADC

vin

When is a Comparator helpful ? When is a Comparator helpful ? When is a Comparator helpful ? When is a Comparator helpful ?

1.) Software ADC -> PIC16F630 2.) fast hardware shutdown 1.) Software ADC -> PIC16F630

2.) fast hardware shutdown

vin Strength - Comparator Strength - Comparator Strength - Comparator Strength - Comparator

 Good General Purpose Comparator Standard on all products

 Internal Voltage Divider (Vref) available

 Up to 32 Software Programmable levels available

 Eight different operating modes

 Programmable input multiplexing

 Output is externally available (Use as a stand- alone analog component)

 Switched off if not used to save power

 Good General Purpose Comparator Standard on all products

 Internal Voltage Divider (Vref) available

 Up to 32 Software Programmable levels available

 Eight different operating modes

 Programmable input multiplexing

 Output is externally available (Use as a stand- alone analog component)

 Switched off if not used to save power

vin Comparator Features: Comparator Features:

Eight Operating Modes Eight Operating Modes

Comparator Features:

Comparator Features:

Eight Operating Modes Eight Operating Modes

- +

CIN - CIN +

Cout

Default

Internal Out

External/Internal Out

- +

CIN - CIN +

Cout

- +

CIN - CIN +

Cout

External/Internal Out with Internal Reference

- +

CIN - CIN +

Cout Vref

HW-shutdown possible

vin Comparator Features: Comparator Features:

Eight Operating Modes (cont.) Eight Operating Modes (cont.)

Comparator Features:

Comparator Features:

Eight Operating Modes (cont.) Eight Operating Modes (cont.)

Off (Lowest Power)

Internal Out

with Internal Reference

Input Multiplexing with Internal Reference

Input Multiplexing with Internal Reference

- +

CIN - CIN +

Cout Vref

- +

CIN - CIN +

Cout

- +

CIN - CIN +

Cout Vref

CIS

- +

CIN - CIN +

Cout Vref

CIS

vin

Comparator uses for 10Bit SW-ADC

PIC12F6xx , PIC16F630, PIC16F/C62x

vin Temperature Measurement Temperature Measurement Circuit Using a Diode

Circuit Using a Diode

Temperature Measurement Temperature Measurement

Circuit Using a Diode Circuit Using a Diode

43k

~0.1mA

V

= 5V

Low Output Impedance

CMCON := 0000 0011 VRCON := 1110 1100

R

= 24k

R

=31.5k

R =196k

V

/ 2 V

R

C

RA3

RA0 R

PIC16F676 PIC16F676

+



PortA.3

CMCON.6 Comparator

V

RA2 R

MCP601

Input Range 200mV to 800mV High Input

Impedance

vin

What is the wake-up time of a

What is the wake-up time of a

controller after SLEEP mode ?

controller after SLEEP mode ?

What is the wake-up time of a

What is the wake-up time of a

controller after SLEEP mode ?

controller after SLEEP mode ?

vin Why is a quick startup Why is a quick startup important?

important?

Why is a quick startup Why is a quick startup

important?

important?

1uA 1mA

Device wakes up (8 Tcycle-int. RC), tests a condition and go back to sleep

Idd

For battery applications:

 Minimize ‘On’ time

 Minimum sleep current A quick startup

time reduces

‘on’ time

Result:

Longer

battery life

vin

Simplify the Power Supply

Simplify the Power Supply Simplify the Power Supply

Simplify the Power Supply

vin Strength: Wide Operating Strength: Wide Operating Voltage

Voltage

Strength: Wide Operating Strength: Wide Operating

Voltage Voltage

So What:

 Flexibility to select best available/low cost device to interface to PIC12F6xx

 Does not require additional components to translate voltage levels so that different

components can interface So What:

 Flexibility to select best available/low cost device to interface to PIC12F6xx

 Does not require additional components to translate voltage levels so that different

components can interface

vin Wide Operating Voltage - Wide Operating Voltage - doesn’t need a LDO...

doesn’t need a LDO...

Wide Operating Voltage - Wide Operating Voltage -

doesn’t need a LDO...

doesn’t need a LDO...

Time Voltage

Wider operating voltage

means easier Power-supply Operating voltage range

with LDO

2,0/2,2V

2,0/2,2V

vin Strength - Packaging Strength - Packaging Strength - Packaging Strength - Packaging

 8-Pin

 SN package (150mil SOIC)

 DFN (Flatter) package

 14-Pin

 12 I/O Pins

 150 mil SOIC

 TSSOP package available

 8-Pin

 SN package (150mil SOIC)

 DFN (Flatter) package

 14-Pin

 12 I/O Pins

 150 mil SOIC

 TSSOP package available _PI ^{C1 6F}

63 0 PI C1 6F 67 6 PI C1 2F 62 9

PI C1 2F 67 5

vin QFN Package Cross QFN Package Cross Section

Section

QFN Package Cross QFN Package Cross

Section Section

Mold Compound Mold Compound

Cu Leadframe Cu Leadframe

Gold Wire Gold Wire Die Die

Lands

Lands

vin Development Tool Support Development Tool Support Development Tool Support Development Tool Support

 MPLAB ^® Integrated Development Environment

 Simulator, Assembler, Linker

 Programming support

 PRO MATE ^® II programmer

 PICSTART ^® Plus programmer (low-cost)

 PICKit 1 Flash Starterkit PICKit 1 Flash Starterkit

 MPLAB ^® In-Circuit Debugger (ICD 2)

 MPLAB ^® ICE 2000 Emulator

 MPLAB ^® Integrated Development Environment

 Simulator, Assembler, Linker

 Programming support

 PRO MATE ^® II programmer

 PICSTART ^® Plus programmer (low-cost)

 PICKit 1 Flash Starterkit PICKit 1 Flash Starterkit

 MPLAB ^® In-Circuit Debugger (ICD 2)

 MPLAB ^® ICE 2000 Emulator

vin ICD for 8/14 Pin Devices ICD for 8/14 Pin Devices ICD for 8/14 Pin Devices ICD for 8/14 Pin Devices

Target Board ICD Device

(PIC12F675/ICD) ICD2 Header

(AC162050) ICD2 (DV164005,

DV164006,DV164007)

To PC

vin Summary Features Summary Features Summary Features Summary Features

 Flash Program Memory

 Real Data EE ²

 Wide Operating Voltage 2.0-5.5V

 10-bit resolution on the A/D (12F675/16F676 only)

 Analog Comparator Module + programmable Vref

 Precision Internal 4MHz Oscillator +-2%

 Operating Speed up to 20MHz

 In-Circuit Debug Capability

 Packaging - DFN-S,TSSOP

 Brown-out Reset

 Flash Program Memory

 Real Data EE ²

 Wide Operating Voltage 2.0-5.5V

 10-bit resolution on the A/D (12F675/16F676 only)

 Analog Comparator Module + programmable Vref

 Precision Internal 4MHz Oscillator +-2%

 Operating Speed up to 20MHz

 In-Circuit Debug Capability

 Packaging - DFN-S,TSSOP

 Brown-out Reset

vin Technical Literature Technical Literature Technical Literature Technical Literature

 PIC12F629/675 Data Sheet - DS41190C

 Programming Spec. - DS41173B

 PIC16F630/676 Data Sheet DS40039C

 PIC16F630/676 Programming Spec. DS41191B

 Tips n’ Tricks Brochure

Please check Microchip’s Web Site for the

latest Versions of the Data Sheet and possible Errata-sheets

 PIC12F629/675 Data Sheet - DS41190C

 Programming Spec. - DS41173B

 PIC16F630/676 Data Sheet DS40039C

 PIC16F630/676 Programming Spec. DS41191B

 Tips n’ Tricks Brochure

Please check Microchip’s Web Site for the

latest Versions of the Data Sheet and possible Errata-sheets

vin

Workshop Lessons Workshop Lessons

using using

PICkit

PICkit ^{TM TM} 1 1

Workshop Lessons Workshop Lessons

using using

PICkit

PICkit ^{TM TM} 1 1

vin Overview Overview Overview Overview

 Lesson 1: Blinking LED 200ms

 Lesson 2: read a button -> LED on/off

 Lesson 3: Constant Main-loops

 Lesson 4: SW-PWM standard via IRQ

 Lesson 5: SW- PWM easy way

 Lesson 1: Blinking LED 200ms

 Lesson 2: read a button -> LED on/off

 Lesson 3: Constant Main-loops

 Lesson 4: SW-PWM standard via IRQ

 Lesson 5: SW- PWM easy way

vin Lesson #1 Lesson #1 Lesson #1 Lesson #1

 In Lesson #1 a very basic program is

downloaded to the PIC12F675, which drives LED D0 ON/OFF at a 200 millisecond rate.

 The Flowchart for Lesson #1 shows the basic operation of the source code

 The block diagram shows a typical circuit used to drive an LED.

– 2 different methods of driving an LED using an I/O port are shown

 Source code description includes Assembler directives and initialization of PICmicro

 In Lesson #1 a very basic program is

downloaded to the PIC12F675, which drives LED D0 ON/OFF at a 200 millisecond rate.

 The Flowchart for Lesson #1 shows the basic operation of the source code

 The block diagram shows a typical circuit used to drive an LED.

– 2 different methods of driving an LED using an I/O port are shown

 Source code description includes Assembler

directives and initialization of PICmicro

vin Flowchart & LED Drive Circuit Flowchart & LED Drive Circuit ^{Lesson #1 Lesson #1} Lesson #1

Lesson #1

Flowchart & LED Drive Circuit Flowchart & LED Drive Circuit

VCC

OUT1 OUT2

PIC12F675

LED1

LED2

LED OUT1 OUT2

LED1 ON LO X

LED1 OFF HI or Z X

LED2 ON X HI

LED2 OFF X LO or Z

vin Assembly Code Description Assembly Code Description Assembly Code Description Assembly Code Description

 Assembler directives are used at the

beginning of the program to select additional library functions and set initial conditions.

 #Include

– Assembler directive to load Libraries

 _Config

– Assembler directive to assign the initial conditions of the microcontroller

 #Define

– Defines variables and assigns initial values

 Assembler directives are used at the

beginning of the program to select additional library functions and set initial conditions.

 #Include

– Assembler directive to load Libraries

 _Config

– Assembler directive to assign the initial conditions of the microcontroller

 #Define

– Defines variables and assigns initial values

vin Lesson #1 Source Code Lesson #1 Source Code Assembler Directives Assembler Directives Lesson #1 Source Code Lesson #1 Source Code

Assembler Directives Assembler Directives

list p=12F675

#include <p12f675.inc>

__CONFIG _CP_OFF & _CPD_OFF & _BODEN_OFF…...

#define DELAYCONSTANT .255

#define TRISIO_INIT b'11111110' ;GP0 - Output

#define LED GPIO,0

cblock 0x20

INNER

OUTER

endc

vin Assembly Code Description Assembly Code Description (continued)

(continued)

Assembly Code Description Assembly Code Description

(continued) (continued)

 Microcontrollers require initialization after they come out of their Power On Reset (POR) condition.

 Initialize function

– Located at the beginning of a program

– Memory, registers and I/O ports should be initialized to specific values for a more

robust design

 Microcontrollers require initialization after they come out of their Power On Reset (POR) condition.

 Initialize function

– Located at the beginning of a program

– Memory, registers and I/O ports should be initialized to specific values for a more

robust design

vin

vin Lesson #1 Source Code Lesson #1 Source Code Initialization of PICmicro Initialization of PICmicro Lesson #1 Source Code Lesson #1 Source Code Initialization of PICmicro Initialization of PICmicro

org 0x00 Initialize

banksel GPIO ;Bank 0 movlw .7

movwf CMCON ;Comparator Off, Pins Set

;For Digital clrf GPIO

banksel TRISIO ;Bank 1 movlw TRISIO_INIT

movwf TRISIO

clrf ANSEL ;Pins Set For Digital

banksel GPIO ;Bank 0

vin

vin

vin Assembly Code Description Assembly Code Description (continued)

(continued)

Assembly Code Description Assembly Code Description

(continued) (continued)

 A main program is used to control the overall operation of any microcontroller.

 MAIN function

– Usually located after the Initialize section

– Will call other subroutine functions for steps that are repeated throughout the operation

 Delay

– Subroutine function with a programmable delay to control LED ON/OFF timing

 A main program is used to control the overall operation of any microcontroller.

 MAIN function

– Usually located after the Initialize section

– Will call other subroutine functions for steps that are repeated throughout the operation

 Delay

– Subroutine function with a programmable

delay to control LED ON/OFF timing

vin Lesson #1 Source Code Lesson #1 Source Code Main Function

Main Function

Lesson #1 Source Code Lesson #1 Source Code

Main Function Main Function

Main

bsf LED ;Turn on LED

movlw DELAYCONSTANT

call Delay ;Delay

bcf LED ;Turn off LED

movlw DELAYCONSTANT ;Delay call Delay

goto Main ;Start All Over Again

vin Assembly Code Description Assembly Code Description (continued)

(continued)

Assembly Code Description Assembly Code Description

(continued) (continued)

 A subroutine or function is used to support the Main function of a microcontroller.

 Delay function

– This function is called by the Main function when a programmable delay is required

– The delay in this function is used to control the rate that the LED cycles ON and OFF

 A subroutine or function is used to support the Main function of a microcontroller.

 Delay function

– This function is called by the Main function when a programmable delay is required

– The delay in this function is used to control

the rate that the LED cycles ON and OFF

vin Lesson #1 Source Code Lesson #1 Source Code Delay Subroutine

Delay Subroutine

Lesson #1 Source Code Lesson #1 Source Code

Delay Subroutine Delay Subroutine

; Delay(W) - DelayTime = [ (1)+(2)+(2)+(W*768-W)+(W*3-

1)+(2)]* (OSC/4)cycles (This includes the movlw,call,and return)

; - Max Time When W=0xFF, [ 196356 Cycles * (OSC/4) ]

; - Must Declare INNER & OUTER AS GPR'S

;******************************************************

Delay

movwf OUTER clrf INNER D1 decfsz INNER,f

goto D1

D2 decfsz OUTER,f goto D1

return

vin Lesson #1 Lesson #1 Lesson #1 Lesson #1

 Step 1: Create a project under MPLAB

 Step 2: Enter the code , assemble

 Step 3: Simulate it under MPLAB

 Step 4: Begin communication with PICkit 1

 Start->Programs->PICKit 1 FLASH Start Kit

 Screenshots are shown on next slide

 Step 1: Create a project under MPLAB

 Step 2: Enter the code , assemble

 Step 3: Simulate it under MPLAB

 Step 4: Begin communication with PICkit 1

 Start->Programs->PICKit 1 FLASH Start Kit

 Screenshots are shown on next slide

vin It starts Here… It starts Here…

“Ready for launch...”

“Ready for launch...”

It starts Here…

It starts Here…

“Ready for launch...”

“Ready for launch...”

Emulate Program

Device

Simulate and Debug

Design Process

Edit & Build

Project

Management

vin

MPASM™

Assembler Language

Products

Low-cost Debugging

Emulation and Analyis

Device Programmers

Third Party Tools

MPLINK™

MPLIB™

MPLAB C17 MPLAB C18 MPLAB C30

MPLAB SIM Sofware Simulator

MPLAB ICD MPLAB ICD 2

MPLAB ICE 2000

MPLAB ICE 4000

PICSTART

Plus

PRO MATE

II

PRO MATE 3

MPLAB ^®

Built-in Editor

Project Manager

Source Level Debugger

C Compilers IAR Hi-Tech

CCS

Real-time Operating Systems

CMX, Vector, Realogy

Libraried Routines Live Devices, CMX,

Momentum Data Systems

Integrated Development Environment

MPASM + MPLINK + MPLIB

HEX File

vin Now bring it to PICKIT1 Now bring it to PICKIT1 hardware….

hardware….

Now bring it to PICKIT1 Now bring it to PICKIT1

hardware….

hardware….

LED D0 is on when:

===============

RA4 -> Output High (1)

RA5 -> Output Low (0)

vin Programming Interface for Programming Interface for Steps 1 & 2

Steps 1 & 2

Programming Interface for Programming Interface for

Steps 1 & 2

Steps 1 & 2

vin Lesson #1 (continued) Lesson #1 (continued) Lesson #1 (continued) Lesson #1 (continued)

 Step 3: Download data to PICmicro

 Programmer-> Write Device Or

Press Write Device Button

 Status window shows ‘Write Successful’

 LED D0 should now blink at a 200 msec rate

 Step 3: Download data to PICmicro

 Programmer-> Write Device Or

Press Write Device Button

 Status window shows ‘Write Successful’

 LED D0 should now blink at a 200 msec rate

vin Programming Interface for Programming Interface for Step 3

Step 3

Programming Interface for Programming Interface for

Step 3

Step 3

vin Lesson #2 Lesson #2 Lesson #2 Lesson #2

 The new code in Lesson 2 will turn LED D1 ON at startup and D0 will be OFF.

 While pressing switch SW1, D1 will turn OFF &

D0 turns ON

 Releasing SW1 turns D1 ON & turns D0 OFF

 Flowchart / LED & Switch schematic shown

 Basic flowchart of Lesson 2

 LED and switch circuit used in PICkit ^TM 1

 The new code in Lesson 2 will turn LED D1 ON at startup and D0 will be OFF.

 While pressing switch SW1, D1 will turn OFF &

D0 turns ON

 Releasing SW1 turns D1 ON & turns D0 OFF

 Flowchart / LED & Switch schematic shown

 Basic flowchart of Lesson 2

 LED and switch circuit used in PICkit ^TM 1

vin Flowchart and LED Truth Table Flowchart and LED Truth Table ^{Lesson #2 Lesson #2} Lesson #2

Lesson #2

Flowchart and LED Truth Table

Flowchart and LED Truth Table

vin LED Circuit in PICkit LED Circuit in PICkit ^{Lesson #2 Lesson #2 TM TM} 1 1 Lesson #2

Lesson #2

LED Circuit in PICkit

LED Circuit in PICkit ^{TM TM} 1 1

 PICmicro can selectively drive up to 12 different LEDs using 4 I/O ports

 See TB029

 PICmicro can selectively drive up to 12 different LEDs using 4 I/O ports

 See TB029