CF745 datasheet(5/217 Pages) MICROCHIP

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Preliminary

DS30453B-page 5

PIC16C5X

1.0

GENERAL DESCRIPTION

The PIC16C5X from Microchip Technology is a family

of low-cost, high performance, 8-bit, fully static,

EPROM/

ROM-based

CMOS

microcontrollers. It

employs a RISC architecture with only 33 single

word/single cycle instructions. All instructions are sin-

gle cycle (200 ns) except for program branches which

take two cycles. The PIC16C5X 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.

The PIC16C5X products are equipped with special fea-

tures that reduce system cost and power requirements.

The Power-On Reset (POR) and Device Reset Timer

(DRT) eliminate the need for external reset circuitry.

There are four oscillator conﬁgurations to choose from,

including the power-saving LP (Low Power) oscillator

and cost saving RC oscillator. Power saving SLEEP

mode, Watchdog Timer and code protection features

improve system cost, power and reliability.

The UV erasable CERDIP packaged versions are ideal

for code development, while the cost-effective One

Time Programmable (OTP) versions are suitable for

production in any volume. The customer can take full

advantage of Microchip’s price leadership in OTP

microcontrollers while beneﬁting from the OTP’s

ﬂexibility.

The

PIC16C5X

products

are

supported

full-featured macro assembler, a software simulator, an

in-circuit emulator, a ‘C’ compiler, fuzzy logic support

tools, a low-cost development programmer, and a full

featured programmer. All the tools are supported on

IBM® PC and compatible machines.

1.1

Applications

The PIC16C5X series ﬁts perfectly in applications rang-

ing from high-speed automotive and appliance motor

control to low-power remote transmitters/receivers,

pointing devices and telecom processors. The EPROM

technology makes customizing application programs

(transmitter codes, motor speeds, receiver frequen-

cies, etc.) extremely fast and convenient. The small

footprint packages, for through hole or surface mount-

ing, make this microcontroller series perfect for applica-

tions with space limitations. Low-cost, low-power, high

performance, ease of use and I/O ﬂexibility make the

PIC16C5X series very versatile even in areas where no

microcontroller use has been considered before (e.g.,

timer functions, replacement of “glue” logic in larger

systems, coprocessor applications).

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