8-bit PICmicro microcontroller, 1.5 KB, 20 MHz, SO-14

PIC16F505 8-Bit Flash Microcontrollers

High-Performance RISC CPU:
- Only 33 Single-Word Instructions to Learn
- All Single-Cycle Instructions Except for Program Branches, which are Two-Cycle
- 12-Bit Wide Instructions
- 2-Level Deep Hardware Stack
- Direct, Indirect and Relative Addressing modes for Data and Instructions
- 8-Bit Wide Data Path
- 8 Special Function Hardware Registers
- Operating Speed:
- DC - 20 MHz clock input (PIC16F505 only)
- DC - 200 ns instruction cycle (PIC16F505 only)

Special Microcontroller Features:
- 4 MHz Precision Internal Oscillator: Factory calibrated to ±1%
- In-Circuit Serial Programming™ (ICSP™)
- In-Circuit Debugging (ICD) Support
- Power-On Reset (POR)
- Device Reset Timer (DRT)
- Watchdog Timer (WDT) with Dedicated On-Chip RC Oscillator for Reliable Operation
- Programmable Code Protection
- Multiplexed MCLR Input Pin
- Internal Weak Pull-Ups on I/O Pins
- Power-Saving Sleep mode
- Wake-Wp from Sleep on Pin Change
- Selectable Oscillator Options:
- INTRC: 4 MHz precision Internal oscillator
- EXTRC: External low-cost RC oscillator
- XT: Standard crystal/resonator
- LP: Power-saving, low-frequency crystal
- HS: High-speed crystal/resonator (PIC16F505 only)
- EC: High-speed external clock input (PIC16F505 only)

Low-Power Features/CMOS Technology:
- Operating Current: < 175 µA @ 2V, 4 MHz, typical
- Standby Current: 100 nA @ 2V, typical
- Low-Power, High-Speed Flash Technology: 100,000 Flash endurance, > 40 year retention
- Fully Static Design
- Wide Operating Voltage Range: 2.0V to 5.5V
- Wide Temperature Range:
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C

Peripheral Features (PIC16F505):
- 12 I/O Pins:
- 11 I/O pins with individual direction control
- 1 input only pin
- High current sink/source for direct LED drive
- Wake-on-change
- Weak pull-ups
- 8-Bit Real-Time Clock/Counter (TMR0) with 8-Bit Programmable Prescaler