PIC16F872_06 Datasheet, PDF (128/168 Pages) Microchip Technology – 28-Pin, 8-Bit CMOS Flash Microcontroller with 10-Bit A/D

PIC16F872
14.5 Timing Parameter Symbology
The timing parameter symbols have been created fol-
lowing one of the following formats:
1. TppS2ppS
2. TppS
T
F
Frequency
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
I²C only
AA
output access
BUF
Bus free
TCC:ST (I²C specifications only)
CC
HD
Hold
ST
DAT
DATA input hold
STA
START condition
FIGURE 14-3:
LOAD CONDITIONS
Load Condition 1
VDD/2
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
Load Condition 2
RL
Pin
CL
Pin
CL
VSS
VSS
RL = 464 Ω
CL = 50 pF for all pins except OSC2, but including PORTD and PORTE outputs as ports
15 pF for OSC2 output
DS30221C-page 126
© 2006 Microchip Technology Inc.