PIC16F785_08 datasheet(3/206 Pages) MICROCHIP

Part #	PIC16F785

Description	20-Pin Flash-Based, 8-Bit CMOS Microcontroller with Two-Phase Asynchronous Feedback PWM Dual High-Speed Comparators and Dual Operational Amplifiers

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Manufacturer	MICROCHIP [Microchip Technology]

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DS41249E-page 1

PIC16F785/HV785

High-Performance RISC CPU:

• Only 35 Instructions to Learn:

- All single-cycle instructions except branches

• Operating Speed:

- DC – 20 MHz oscillator/clock input

- DC – 200 ns instruction cycle

• Interrupt Capability

• 8-Level Seep Hardware Stack

• Direct, Indirect and Relative Addressing modes

Special Microcontroller Features:

• Precision Internal Oscillator:

- Factory calibrated to ±1%

- Software selectable frequency range of

8 MHz to 32 kHz

- Software tunable

- Two-Speed Start-up mode

- Crystal fail detect for critical applications

- Clock mode switching during operation for

power savings

• Power-Saving Sleep mode

• Wide Operating Voltage Range (2.0V-5.5V)

• Industrial and Extended Temperature Range

• Power-on Reset (POR)

• Power-up Timer (PWRT) and Oscillator Start-up

Timer (OST)

• Brown-out Reset (BOR) with Software Control

Option

• Enhanced Low-Current Watchdog Timer (WDT)

with on-chip Oscillator (software selectable

nominal 268 seconds with full prescaler) with

Software Enable

• Multiplexed Master Clear with Pull-up/Input Pin

• Programmable Code Protection

• High-Endurance Flash/EEPROM cell:

- 100,000 write Flash endurance

- 1,000,000 write EEPROM endurance

- Flash/Data EEPROM retention: > 40 years

Low-Power Features:

• Standby Current:

- 30 nA @ 2.0V, typical

• Operating Current:

-8.5

μA @ 32 kHz, 2.0V, typical

-100

μA @ 1 MHz, 2.0V, typical

• Watchdog Timer Current:

-1

μA @ 2.0V, typical

• Timer1 Oscillator Current:

-2

μA @ 32 kHz, 2.0V, typical

Peripheral Features:

• High-Speed Comparator module with:

- Two independent analog comparators

- Programmable on-chip voltage reference

(CVREF) module (% of VDD)

- 1.2V band gap voltage reference

- Comparator inputs and outputs externally

accessible

- < 40 ns propagation delay

- 2 mv offset, typical

• Operational Amplifier module with 2 independent

Op Amps:

- 3 MHz GBWP, typical

- All I/O pins externally accessible

• Two-Phase Asynchronous Feedback PWM

module:

- Complementary output with programmable

dead band delay

- Infinite resolution analog duty cycle

- Sync Output/Input for multi-phase PWM

-FOSC/2 maximum PWM frequency

• A/D Converter:

- 10-bit resolution and 14 channels (2 internal)

• 17 I/O pins and 1 Input-only Pin:

- High-current source/sink for direct LED drive

- Interrupt-on-pin change

- Individually programmable weak pull-ups

• Timer0: 8-Bit Timer/Counter with 8-Bit

Programmable Prescaler

• Enhanced Timer1:

- 16-bit timer/counter with prescaler

- External Gate Input mode

- Option to use OSC1 and OSC2 in LP mode

as Timer1 oscillator, if INTOSC mode

selected

• Timer2: 8-Bit Timer/Counter with 8-Bit Period

Register, Prescaler and Postscaler

• Capture, Compare, PWM module:

- 16-bit Capture, max resolution 12.5 ns

- Compare, max resolution 200 ns

- 10-bit PWM with 1 output channel, max

frequency 20 kHz

• In-Circuit Serial ProgrammingTM (ICSPTM) via two

pins

• Shunt Voltage Regulator (PIC16HV785 only):

- 5 volt regulation

- 4 mA to 50 mA shunt range

20-Pin Flash-Based 8-Bit CMOS Microcontroller

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Manufacturer	Part #	Datasheet	Description
Microchip Technology	PIC16F785	3Mb / 184P	20-Pin Flash-Based, 8-Bit CMOS Microcontroller with Two-Phase Asynchronous Feedback PWM Dual High-Speed Comparators and Dual Operational Amplifiers 2005

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Manufacturer	Part #	Datasheet	Description
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