
PIC16C63A/65B/73B/74B
DS30605C-page 122
2000 Microchip Technology Inc.
16.2
AC (Timing) Characteristics
16.2.1
TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created following one of the following formats:
1. TppS2ppS
2. TppS
T
F
Lowercase letters (pp) and their meanings:
pp
cc
CCP1
ck
CLKOUT
cs
CS
di
SDI
do
SDO
dt
Data in
io
I/O port
mc
MCLR
Uppercase letters and their meanings:
S
F
Fall
H
High
I
Invalid (Hi-impedance)
L
Low
I
2
C only
AA
output access
BUF
Bus free
T
CC
:
ST
(I
2
C specifications only)
CC
HD
Hold
ST
DAT
DATA input hold
STA
START condition
3. T
CC
:
ST
4. Ts
(I
2
C specifications only)
(I
2
C specifications only)
Frequency
T
Time
osc
rd
rw
sc
ss
t0
t1
wr
OSC1
RD
RD or WR
SCK
SS
T0CKI
T1CKI
WR
P
R
V
Z
Period
Rise
Valid
Hi-impedance
High
Low
High
Low
SU
Setup
STO
STOP condition