Datasheet
© 2005 Microchip Technology Inc. Preliminary DS41236B-page 1
PIC12F508/509/16F505
Devices Included In This Data Sheet:
•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
8/14-Pin, 8-Bit Flash Microcontroller