PIC17C42 Microchip Technology, PIC17C42 Datasheet - Page 182

• Manufacturer Part Number: PIC17C42
• Description: High-Performance 8-Bit CMOS EPROM/ROM Microcontroller
• Manufacturer: Microchip Technology

PIC17C4X
19.4
The timing parameter symbols have been created following one of the following formats:
DS30412C-page 182
Applicable Devices 42 R42 42A 43 R43 44
1. TppS2ppS
2. TppS
T
pp
S
F
Lowercase symbols (pp) and their meanings:
ad
al
cc
ck
dt
in
io
mc
oe
os
Uppercase symbols and their meanings:
D
E
F
H
I
Timing Parameter Symbology
Frequency
Address/Data
ALE
Capture1 and Capture2
CLKOUT or clock
Data in
INT pin
I/O port
MCLR
OE
OSC1
Driven
Edge
Fall
High
Invalid (Hi-impedance)
3. T
4. Ts
T
ost
pwrt
rb
rd
rw
t0
t123
wdt
wr
L
P
R
V
Z
CC
:
ST
Time
Power-Up Timer
RD or WR
T0CKI
TCLK12 and TCLK3
Watchdog Timer
WR
Low
Period
Rise
Valid
Oscillator Start-Up Timer
PORTB
RD
Hi-impedance
(I
(I
2
2
C specifications only)
C specifications only)
1996 Microchip Technology Inc.