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PIC876 датащи(PDF) 163 Page - Microchip Technology

номер детали PIC876
подробное описание детали  28/40-pin 8-Bit CMOS FLASH Microcontrollers
PDF  218 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC876 датащи(HTML) 163 Page - Microchip Technology

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 2001 Microchip Technology Inc.
DS30292C-page 161
PIC16F87X
15.5
Timing Parameter Symbology
The timing parameter symbols have been created fol-
lowing one of the following formats:
FIGURE 15-5:
LOAD CONDITIONS
1. TppS2ppS
3. TCC:ST
(I2C specifications only)
2. TppS
4. Ts
(I2C specifications only)
T
F
Frequency
T
Time
Lowercase letters (pp) and their meanings:
pp
cc
CCP1
osc
OSC1
ck
CLKOUT
rd
RD
cs
CS
rw
RD or WR
di
SDI
sc
SCK
do
SDO
ss
SS
dt
Data in
t0
T0CKI
io
I/O port
t1
T1CKI
mc
MCLR
wr
WR
Uppercase letters and their meanings:
S
FFall
P
Period
HHigh
R
Rise
I
Invalid (Hi-impedance)
V
Valid
L
Low
Z
Hi-impedance
I2C only
AA
output access
High
High
BUF
Bus free
Low
Low
TCC:ST (I2C specifications only)
CC
HD
Hold
SU
Setup
ST
DAT
DATA input hold
STO
STOP condition
STA
START condition
VDD/2
CL
RL
Pin
Pin
VSS
VSS
CL
RL
= 464
Ω
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 PIC16F873/876 devices.
Load Condition 1
Load Condition 2



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