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GENERAL DESCRIPTION

The PIC16C55X(A) are 18 and 20-Pin EPROM-based members of the versatile PIC16CXX family of low-cost, high-performance, CMOS, fully-static, 8-bit microcontrollers.

High Performance RISC CPU:

? Only 35 instructions to learn

? All single-cycle instructions (200 ns), except for

program branches which are two-cycle

? Operating speed:

- DC - 20 MHz clock input

- DC - 200 ns instruction cycle

? Interrupt capability

? 16 special function hardware registers

? 8-level deep hardware stack

? Direct, Indirect and Relative addressing modes

Peripheral Features:

? 13 I/O pins with individual direction control

? High current sink/source for direct LED drive

? Timer0: 8-bit timer/counter with 8-bit

programmable prescaler

Special Microcontroller Features:

? Power-on Reset (POR)

? Power-up Timer (PWRT) and Oscillator Start-up

Timer (OST)

? Watchdog Timer (WDT) with its own on-chip RC

oscillator for reliable operation

Special Microcontroller Features (cont’d)

? Programmable code protection

? Power saving SLEEP mode

? Selectable oscillator options

? Serial in-circuit programming (via two pins)

? Four user programmable ID locations

CMOS Technology:

? Low-power, high-speed CMOS EPROM technology

? Fully static design

? Wide operating voltage range

- 2.5V to 5.5V PIC16C55X

- 3.0 to 5.5V PIC16C55XA

? Commercial, industrial and extended temperature range

? Low power consumption

- < 2.0 mA @ 5.0V, 4.0 MHz

- 15 μA typical @ 3.0V, 32 kHz

-