PIC16C9XX
17.4 Timing Parameter Symbology
The timing parameter symbols have been created following one of the following formats:
1. TppS2ppS
2. TppS
3. TCC:ST
4. Ts
(I2C specifications only)
(I2C specifications only)
T
F
Frequency
T
Time
Lowercase letters (pp) and their meanings:
pp
cc
CCP1
osc
OSC1
ck
CLKOUT
rd
RD
cs
CS
di
SDI
rw
RD or WR
sc
SCK
do
SDO
ss
SS
dt
Data in
io
I/O port
t0
T0CKI
t1
T1CKI
mc
MCLR
wr
WR
Uppercase letters and their meanings:
S
F
Fall
H
High
I
Invalid (Hi-impedance)
P
Period
R
Rise
V
Valid
L
Low
I2C only
Z
Hi-impedance
AA
output access
High
High
BUF
Bus free
TCC:ST (I2C specifications only)
CC
Low
Low
HD
ST
Hold
SU
Setup
DAT
DATA input hold
STO
STOP condition
STA
START condition
DS30444E - page 146
© 1997 Microchip Technology Inc.