
PIC14000
DS40122B-page 110
Preliminary
1996 Microchip Technology Inc.
13.3
Timing Parameter Symbology
The timing parameter symbols have been created following one of the following formats:
1. TppS2ppS
3. TCC:ST
(I2C specications only)
2. TppS
4. Ts
(I2C specications only)
T
F
Frequency
T
Time
Lowercase subscripts (pp) and their meanings:
pp
ck
CLKOUT
OSC1
di
SDI
t0
T0CKI
io
I/O port
mc
MCLR
Uppercase letters and their meanings:
S
F
Fall
P
Period
H
High
R
Rise
I
Invalid (Hi-impedance)
V
Valid
L
Low
Z
Hi-impedance
I2C only
AA
output access
High
BUF
Bus free
Low
TCC:ST (I2C specications only)
CC
HD
Hold
SU
Setup
ST
DAT
DATA input hold
STO
STOP condition
STA
START condition