PIC16F685-I/SS 8-bit Flash MCU 20MHz Speed 3.5KB Memory 256B EEPROM 12x10-bit ADC 25 I/O Pins Wide 2.0-5.5V Range Industrial -40°C to +85°C SSOP-20 Package for Embedded Control

PIC16F685-I/SS 8-bit Flash MCU 20MHz Speed 3.5KB Memory 256B EEPROM 12x10-bit ADC 25 I/O Pins Wide 2.0-5.5V Range Industrial -40°C to +85°C SSOP-20 Package for Embedded Control

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 Deep Hardware Stack

Direct, indirect and Relative Addressing modes

Special Microcontroller Features

Precision Internal Oscillator:

  Factory calibrated to + 1%

  Software selectable frequency range of8 MHz to 32 kHz
  Software tunable

  Two-Speed Start-up mode

  Crystal fail detect for critical applications

  Clock mode switching during operation forpower 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 (PWRTE) and Oscillator Start-upTimer (OST)

Brown-out Reset (BOR) with Software ControlOption

Enhanced Low-Current Watchdog Timer (WDT)with On-Chip Oscillator (Software selectablenominal 268 Seconds with Full Prescaler) withSoftware Enable

Multiplexed Master Clear/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

Enhanced USART Module:

  Supports RS-485, RS-232 and LIN 2.0

  Auto-Baud Detect

  Auto-wake-up on Start bit

Low-Power Features
Standby Current:

  50 nA @ 2.0V, typical

Operating Current:

  11 μA @ 32 kHz, 2.0V, typical

  220 μA @ 4 MHz, 2.0V, typical

Watchdog Timer Current:

  -<1 μA @ 2.0V, typical

Peripheral Features

17 1/0 Pins and 1 Input-Only Pin:

  High current source/sink for direct LED drive

  Interrupt-on-Change pin

  Individually programmable weak pull-ups

  Ultra Low-Power Wake-up (ULPWU)

Analog Comparator Module with:

  Two analog comparators

  Programmable on-chip voltage reference(CVREF) module (% of VDD)

  Comparator inputs and outputs externallyaccessible
  SR Latch mode
  Timer 1 Gate Sync Latch
  Fixed 0.6V VREF

A/D Converter:
  10-bit resolution and 12 channels

Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler

Enhanced Timer1:

  16-bit timer/counter with prescaler

  External Timer1 Gate (count enable)

  Option to use OSC1 and OSC2 in LP modeas Timer1 oscillator if lNTOSC modeselected
Timer2:8-Bit Timer/Counter with 8-Bit PeriodRegister, Prescaler and Postscaler

Enhanced Capture, Compare, PWM+ Module:

  16-bit Capture, max resolution 12.5 ns

  Compare, max resolution 200 ns

  10-bit PWM with 1, 2 or 4 output channels,programmable "dead time", max frequency20 kHZ
  PWM output steering control

Synchronous Serial Port (SSP):

  SPl mode (Master and Slave)

INFORMATION

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