PIC16F688 - 14-pin Flash 4kbyte 8MHz Microcontroller with ADC and USART

• 14-pin Microcontroller with USART
• Flash Program Memory: 4096 bytes
• EEPROM Data Memory: 256 bytes
• SRAM Data Memory: 256 bytes
• I/O Pins: 12
• Timers: One 8-bit / One 16-bit
• A/D Converter: 10-bit 8-Channel
• Analog Comparator: 2
• Internal Oscillator: 8MHz

• 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 125 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 Weak Pull-up or Input Only 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:
    • 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:
  • 12 I/O Pins with Individual Direction Control:
    • High-current source/sink for direct LED drive
    • Interrupt-on-change pin
    • Individually programmable weak pull-ups
    • Ultra Low-Power Wake-up
  • Analog Comparator module with:
    • Two analog comparators
    • Programmable On-chip Voltage Reference (CVREF) module (% of VDD)
    • Comparator inputs and outputs externally accessible
  • A/D Converter:
    • 10-bit resolution and 8 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
  • Enhanced USART Module:
    • Supports RS-485, RS-232, LIN 2.0/2.1 and J2602
    • Auto-Baud Detect
    • Auto-wake-up on Start bit
  • In-Circuit Serial Programming™ (ICSP™) via two pins