PIC16F870-I/SO View Datasheet(PDF) - Microchip Technology
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Description
Manufacturer
PIC16F870-I/SO Datasheet PDF : 156 Pages
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PIC16F870/871
14.4 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 = 464Ω
CL = 50 pF for all pins except OSC2, but including PORTD and PORTE outputs as ports
15 pF for OSC2 output
Note: PORTD and PORTE are not implemented on the PIC16F870.
© 1999 Microchip Technology Inc.
Preliminary
DS30569A-page 125
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