參數(shù)資料
型號(hào): HD4074654
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 41/109頁(yè)
文件大小: 430K
代理商: HD4074654
HD404654 Series
41
Bit
Initial value
Read/Write
Bit name
3
0
W
PMRC3
2
0
W
PMRC2
*
0
Not used
1
0
W
PMRC1
Port mode register C (PMRC: $025)
PMRC1
0
1
R4
0
/EVND mode selection
R4
0
EVND
PMRC2
0
1
D
12
STOPC
PMRC3
0
1
D
13
D
13
/
INT
0
mode selection
INT
0
D
12
/
STOPC
mode selection
Note:
*
PMRC2 is reset to 0 only by
RESET
input. When
STOPC
is input in stop
mode, PMRC2 is not reset but retains its value.
Figure 24 Port Mode Register C (PMRC )
Bit
Initial value
Read/Write
Bit name
3
Not used
2
Not used
0
0
W
PMRB0
1
Not used
Port mode register B (PMRB: $024)
PMRB0
0
1
R0
0
/
INT
1
mode selection
R0
0
INT
1
Figure 25 Port Mode Register B (PMRB)
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