
 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 A @ 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: -40C to +85C
  - Extended: -40C to +125C

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
