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GENERAL DESCRIPTION

The PIC16F5X from Microchip Technology is a family of low-cost, high-performance, 8-bit, fully static, Flash-based CMOS microcontrollers. It employs a RISC architecture with only 33 single-word/single-cycle instructions. All instructions are single cycle except for program branches which take two cycles. The PIC16F5X delivers performance an order of magnitude higher than its competitors in the same price category. The 12-bit wide instructions are highly symmetrical resulting in 2:1 code compression over other 8-bit microcontrollers in its class. The easy-to-use and easy to-remember instruction set reduces development time significantly.

High-Performance RISC CPU:

? Only 33 single-word instructions to learn

? All instructions are single cycle except for program branches which are two-cycle

? Two-level deep hardware stack

? Direct, Indirect and Relative Addressing modes for data and instructions

? Operating speed:

- DC – 20 MHz clock speed

- DC – 200 ns instruction cycle time

? On-chip Flash program memory:

- 512 x 12 on PIC16F54

- 2048 x 12 on PIC16F57

- 2048 x 12 on PIC16F59

? General Purpose Registers (SRAM):

- 25 x 8 on PIC16F54

- 72 x 8 on PIC16F57

- 134 x 8 on PIC16F59

Special Microcontroller Features:

? Power-on Reset (POR)

? Device Reset Timer (DRT)

? Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation

? Programmable Code Protection

? Power-Saving Sleep mode

? In-Circuit Serial Programming? (ICSP?)

? Selectable oscillator options:

- RC: Low-cost RC oscillator

- XT: Standard crystal/resonator

- HS: High-speed crystal/resonator

- LP: Power-saving, low-frequency crystal

? Packages:

- 18-pin PDIP and SOIC for PIC16F54

- 20-pin SSOP for PIC16F54

- 28-pin PDIP, SOIC and SSOP for PIC16F57

- 40-pin PDIP for PIC16F59

- 44-pin TQFP for PIC16F59

Low-Power Features:

? Operating Current:

- 170 μA @ 2V, 4 MHz, typical

- 15 μA @ 2V, 32 kHz, typical

? Standby Current:

- 500 nA @ 2V, typical

Peripheral Features:

? 12/20/32 I/O pins:

- Individual direction control

- High current source/sink

? 8-bit real-time clock/counter (TMR0) with 8-bit programmable prescaler

CMOS Technology:

? Wide operating voltage range:

- Industrial: 2.0V to 5.5V

- Extended: 2.0V to 5.5V

? Wide temperature range:

- Industrial: -40°C to 85°C

- Extended: -40°C to 125°C

? High-endurance Flash:

- 100K write/erase cycles

- > 40-year retention