PIC17CR42 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC17CR42

High-Performance 8-Bit CMOS EPROM/ROM Microcontroller

Microchip Technology 

PIC17C4X

Applicable Devices 42 R42 42A 43 R43 44

17.3 Timing Parameter Symbology

The timing parameter symbols have been created using one of the following formats:

1. TppS2ppS

2. TppS

T

F

Frequency

Lowercase symbols (pp) and their meanings:

pp

ad

Address/Data

al

ALE

cc

Capture1 and Capture2

ck

CLKOUT or clock

dt

Data in

in

INT pin

io

I/O port

mc

MCLR

oe

OE

os

OSC1

Uppercase symbols and their meanings:

S

D

Driven

E

Edge

F

Fall

H

High

I

Invalid (Hi-impedance)

T

Time

ost

Oscillator Start-up Timer

pwrt

Power-up Timer

rb

PORTB

rd

RD

rw

RD or WR

t0

T0CKI

t123

TCLK12 and TCLK3

wdt

Watchdog Timer

wr

WR

L

Low

P

Period

R

Rise

V

Valid

Z

Hi-impedance

© 1996 Microchip Technology Inc.

DS30412C-page 153

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