Processor Features:
• Interrupt Capability
• PIC16F527 Operating Speed:
- DC – 20 MHz Crystal oscillator
- DC – 200 ns Instruction cycle
• High Endurance Program and Flash Data
Memory Cells:
- 1024 x 12 user execution memory
- 64 x 8 self-writable data memory
- 100,000 write program memory endurance
- 1,000,000 write Flash data memory
endurance
- Program and Flash data retention: >40 years
• General Purpose Registers (SRAM):
- 68 x 8 for PIC16F527
• Only 36 Single-Word Instructions to Learn:
- Added RETURN and RETFIE instructions
- Added MOVLB instruction
• All Instructions are Single-Cycle except for
Program Branches which are Two-Cycle
• Four-Level Deep Hardware Stack
• Direct, Indirect and Relative Addressing modes
for Data and Instructions

Peripheral Features:
• Device Features:
- One Input-only pin
- 17 I/Os
- Individual direction control
- High-current source/sink
• 8-Bit Real-Time Clock/Counter (TMR0) with 8-Bit
Programmable Prescaler
• In-Circuit Serial Programming™ (ICSP™) via Two
External Pin Connections
• Analog Comparator (CMP):
- Two analog comparators
- Absolute and programmable references
• Analog-to-Digital Converter (ADC):
- 8-bit resolution
- Eight external input channels
- One internal channel to convert comparator
- 0.6V reference input
• Operational Amplifiers (op amps):
- Two operational amplifiers
- Fully-accessible visibility

Microcontroller Features:
• Brown-out Reset (BOR)
• Power-on Reset (POR)
• Device Reset Timer (DRT)
• Watchdog Timer (WDT) with a Dedicated RC
Oscillator
• Programmable Code Protection (CP)
• Power-Saving Sleep mode with Wake-up on
Change Feature
• Selectable Oscillator Options:
- INTOSC: Precision 4 or 8 MHz internal
oscillator
- EXTRC: Low-cost external RC oscillator
- LP: Power-saving, low-frequency crystal
- XT: Standard crystal/resonator
- HS: High-speed crystal/resonator
- EC: High-speed external clock
• Variety of Packaging Options:
- 20-Lead PDIP, SOIC, SSOP, QFN, UQFN