PIC16F689 Datasheet PDF - Microchip

DEVICE OVERVIEW

●The PIC16F631/677/685/687/689/690 devices are covered by this data sheet. They are available in 20-pin PDIP, SOIC, TSSOP and QFN packages.

●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 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 (PWRTE) 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/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 I/O 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 externally accessible

●   - 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 mode as Timer1 oscillator if INTOSC mode selected

●• Timer2: 8-bit Timer/Counter with 8-bit Period Register, 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 frequency 20 kHz

●   - PWM output steering control

●• Synchronous Serial Port (SSP):

●   - SPI mode (Master and Slave)

●• I2C™ (Master/Slave modes):

●   - I2C™ address mask

●• In-Circuit Serial ProgrammingTM (ICSPTM) via Two Pins