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

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PIC17C42AT屬于集成電路（IC） > 微控制器。微芯科技股份有限公司制造生產(chǎn)的PIC17C42AT微控制器微控制器產(chǎn)品是相對復(fù)雜的用戶可編程數(shù)字邏輯器件。這些產(chǎn)品與視為微控制器的器件密切相關(guān)，兩者之間的區(qū)別主要體現(xiàn)在制造商選擇的用詞。不過按照傳統(tǒng)，微控制器集成了工作存儲器，也更可能包含混合信號外設(shè)，并且往往與更簡單的軟件范例結(jié)合使用，旨在重復(fù)執(zhí)行一系列預(yù)定義的任務(wù)。