參數(shù)資料
型號: 16F871
廠商: Microchip Technology Inc.
英文描述: CAT 5E CROSSOVER PATCH CORD CABLE GREEN 6 FT
中文描述: 28/40-Pin 8位CMOS閃存微控制器
文件頁數(shù): 125/156頁
文件大?。?/td> 2816K
代理商: 16F871
1999 Microchip Technology Inc.
Preliminary
DS30569A-page 125
PIC16F870/871
14.4
Timing Parameter Symbology
The timing parameter symbols have been created fol-
lowing one of the following formats:
FIGURE 14-3: LOAD CONDITIONS
1. TppS2ppS
3. T
CC
:
ST
(I
2
C specifications only)
(I
2
C specifications only)
2. TppS
4. Ts
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
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
V
DD
/2
C
L
R
L
Pin
Pin
V
SS
V
SS
C
L
R
L
C
L
= 464
= 50 pF
15 pF
for all pins except OSC2, but including PORTD and PORTE outputs as ports
for OSC2 output
Note:
PORTD and PORTE are not implemented on the PIC16F870.
Load condition 1
Load condition 2
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