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OVERVIEW

This data sheet covers the PIC17C4X group of the PIC17CXX family of microcontrollers. The following devices are discussed in this data sheet:

? PIC17C42

? PIC17CR42

? PIC17C42A

? PIC17C43

? PIC17CR43

? PIC17C44

The PIC17CR42, PIC17C42A, PIC17C43, PIC17CR43, and PIC17C44 devices include architectural enhancements over the PIC17C42. These enhancements will be discussed throughout this data sheet.

Microcontroller Core Features:

? Only 58 single word instructions to learn

? All single cycle instructions (121 ns) except for program branches and table reads/writes which are two-cycle

? Operating speed:

- DC - 33 MHz clock input

- DC - 121 ns instruction cycle

? Hardware Multiplier (Not available on the PIC17C42)

? Interrupt capability

? 16 levels deep hardware stack

? Direct, indirect and relative addressing modes

? Internal/External program memory execution

? 64K x 16 addressable program memory space

Peripheral Features:

? 33 I/O pins with individual direction control

? High current sink/source for direct LED drive

- RA2 and RA3 are open drain, high voltage (12V), high current (60 mA), I/O

? Two capture inputs and two PWM outputs

- Captures are 16-bit, max resolution 160 ns

- PWM resolution is 1- to 10-bit

? TMR0: 16-bit timer/counter with 8-bit programmable prescaler

? TMR1: 8-bit timer/counter

? TMR2: 8-bit timer/counter

? TMR3: 16-bit timer/counter

? Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI)

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

? Code-protection

? Power saving SLEEP mode

? Selectable oscillator options

CMOS Technology:

? Low-power, high-speed CMOS EPROM/ROM technology

? Fully static design

? Wide operating voltage range (2.5V to 6.0V)

? Commercial and Industrial Temperature Range

? Low-power consumption

- < 5 mA @ 5V, 4 MHz

- 100 μA typical @ 4.5V, 32 kHz

-