參數(shù)資料
型號: IT80C52XXX-16SHXXX
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
文件頁數(shù): 19/81頁
文件大?。?/td> 663K
代理商: IT80C52XXX-16SHXXX
26
ATtiny28L/V
1062F–AVR–07/06
Port A Schematics
Note that all port pins are synchronized. The synchronization latches are, however, not
shown in the figures.
Figure 21. Port A Schematic Diagram (Pins PA0, PA1 and PA3)
Figure 22. Port A Schematic Diagram (Pin PA2)
DATA
BUS
D
Q
RESET
C
WD
WP
RD
PAn
WP:
WD:
RL:
RP:
RD:
n:
WRITE PORTA
WRITE DDRA
READ PORTA LATCH
READ PORTA PIN
READ DDRA
0,1,3
DDAn
PORTAn
RL
RP
MOS
PULL-
UP
D
Q
RESET
R
C
R
DATA
BUS
D
Q
RESET
C
WP
WP:
RL:
WRITE PORTA
READ PORTA LATCH
PORTA2
RL
1
0
HARDWARE
MODULATOR
PA2
D
Q
RESET
C
OOM01
0
1
OOM00
0
1
0
1
DISABLE
TOGGLE
CLEAR
SET
TOV0
FOV0
R
Note: Both the flip-flops shown
have reset value one (set).
R
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