PIC16F690-I/P Datasheet

20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology


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




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Manufacturer information


Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.

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