PIC18F258 Datasheet, PDF (337/384 Pages) Microchip Technology – High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN

PIC18FXX8
27.3 AC (Timing) Characteristics
27.3.1 TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created
following one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
Lowercase letters (pp) and their meanings:
pp
cc
CCP1
ck
CLKO
cs
CS
di
SDI
do
SDO
dt
Data in
io
I/O port
mc
MCLR
Uppercase letters and their meanings:
S
F
H
I
L
I²C only
Fall
High
Invalid (Hi-impedance)
Low
AA
output access
BUF
Bus free
TCC:ST (I²C specifications only)
CC
HD
Hold
ST
DAT
DATA input hold
STA
START condition
3. TCC:ST
4. Ts
(I²C specifications only)
(I²C specifications only)
T
Time
osc
OSC1
rd
RD
rw
RD or WR
sc
SCK
ss
SS
t0
T0CKI
t1
T1CKI
wr
WR
P
R
V
Z
High
Low
Period
Rise
Valid
Hi-impedance
High
Low
SU
STO
Setup
STOP condition
 2002 Microchip Technology Inc.
Preliminary
DS41159B-page 335