Datasheet

 1996 Microchip Technology Inc. DS30412C-page 153
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 T Time
Lowercase symbols (pp) and their meanings:
pp
ad Address/Data ost Oscillator Start-up Timer
al ALE pwrt Power-up Timer
cc Capture1 and Capture2 rb PORTB
ck CLKOUT or clock rd RD
dt Data in rw RD or WR
in INT pin t0 T0CKI
io I/O port t123 TCLK12 and TCLK3
mc MCLR
wdt Watchdog Timer
oe OE
wr WR
os OSC1
Uppercase symbols and their meanings:
S
D Driven L Low
E Edge P Period
F Fall R Rise
H High V Valid
I Invalid (Hi-impedance) Z Hi-impedance