PIC16F628AESS datasheet(3/180 Pages) MICROCHIP

3 / 180 page

DS40044D-page 1

PIC16F627A/628A/648A

High-Performance RISC CPU:

• Operating speeds from DC – 20 MHz

• Interrupt capability

• 8-level deep hardware stack

• Direct, Indirect and Relative Addressing modes

• 35 single-word instructions:

- All instructions single cycle except branches

Special Microcontroller Features:

• Internal and external oscillator options:

- Precision internal 4 MHz oscillator factory

calibrated to ±1%

- Low-power internal 48 kHz oscillator

- External Oscillator support for crystals and

resonators

• Power-saving Sleep mode

• Programmable weak pull-ups on PORTB

• Multiplexed Master Clear/Input-pin

• Watchdog Timer with independent oscillator for

reliable operation

• Low-voltage programming

• In-Circuit Serial Programming™ (via two pins)

• Programmable code protection

• Brown-out Reset

• Power-on Reset

• Power-up Timer and Oscillator Start-up Timer

• Wide operating voltage range (2.0-5.5V)

• Industrial and extended temperature range

• High-Endurance Flash/EEPROM cell:

- 100,000 write Flash endurance

- 1,000,000 write EEPROM endurance

- 40 year data retention

Low-Power Features:

• Standby Current:

- 100 nA @ 2.0V, typical

• Operating Current:

-12

μA @ 32 kHz, 2.0V, typical

-120

μA @ 1 MHz, 2.0V, typical

• Watchdog Timer Current:

-1

μA @ 2.0V, typical

• Timer1 Oscillator Current:

-1.2

μA @ 32 kHz, 2.0V, typical

• Dual-speed Internal Oscillator:

- Run-time selectable between 4 MHz and

48 kHz

-4

μs wake-up from Sleep, 3.0V, typical

Peripheral Features:

• 16 I/O pins with individual direction control

• High current sink/source for direct LED drive

• Analog comparator module with:

- Two analog comparators

- Programmable on-chip voltage reference

(VREF) module

- Selectable internal or external reference

- Comparator outputs are externally accessible

• Timer0: 8-bit timer/counter with 8-bit

programmable prescaler

• Timer1: 16-bit timer/counter with external crystal/

clock capability

• Timer2: 8-bit timer/counter with 8-bit period

• Capture, Compare, PWM module:

- 16-bit Capture/Compare

-10-bit PWM

• Addressable Universal Synchronous/Asynchronous

Receiver/Transmitter USART/SCI

Device

Program

Memory

Data Memory

I/O

CCP

(PWM)

USART

Comparators

Timers

8/16-bit

Flash

(words)

SRAM

(bytes)

EEPROM

(bytes)

PIC16F627A

1024

224

128

2/1

PIC16F628A

2048

224

128

2/1

PIC16F648A

4096

256

2/1

18-pin Flash-Based, 8-Bit CMOS Microcontrollers

with nanoWatt Technology

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