DMC73C168 Просмотр технического описания (PDF) - Daewoo Semiconductor
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DMC73C168 Datasheet PDF : 82 Pages
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8Bit Single Chip Microcontroller
28
DMC73C168
7) PORT DATA / DIRECTION REGISTER
PF NAME : ADATA
: PORT A DATA REGISTER
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2
P32
READ
PORT A DATA VALUE
>0120 WRITE
RESET VALUE
X
X
X
X
X
X
BIT 1
X
BIT 0
X
X : INDETERMINATOR
PF NAME : ADDR
R/W
P33
READ
>0121 WRITE
RESET VALUE
: PORT A DIRECTION REGISTER
BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2
NOT USED
PORT A DIRECTION REGISTER
O
O
O
O
O
O
BIT 1
O
BIT 0
O
0 : PORT A INPUT MODE
1 : PORT A OUTPUT MODE
PF NAME : BDATA
: SERIAL I/O 1 DATA REGISTER
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2
P34
READ
PORT B DATA VALUE
>0122 WRITE
RESET VALUE
X
X
X
X
X
X
BIT 1
X
BIT 0
X
X : INDETERMINATOR
PF NAME : BDDR
R/W
P35
READ
>0123 WRITE
RESET VALUE
: PORT B DIRECTION REGISTER
BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2
NOT USED
PORT B DIRECTION REGISTER
O
O
O
O
O
O
BIT 1
O
BIT 0
O
0 : PORT B INPUT MODE
1 : PORT B OUTPUT MODE
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