
• PIC12F508
• PIC12F509
• PIC16F505

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)
  - DC – 4 MHz clock input
  - DC – 1000 ns instruction cycle

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-up from Sleep on pin change
• Selectable oscillator options:
  - INTRC: 4 MHz precision Internal oscillator 
  - EXTRC: External low-cost RC oscillator
  - XT: Standard crystal/resonator
  - HS: High-speed crystal/resonator(PIC16F505 only)
  - LP: Power-saving, low-frequency crystal
  - EC: High-speed external clock input(PIC16F505 only)

Low-Power Features/CMOS Technology:

• Operating Current:
  - < 350 µA @ 2V, 4 MHz
• 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 (PIC12F508/509):

• 6 I/O pins:
  - 5 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

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
