參數(shù)資料
型號: HCD404669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 52/142頁
文件大?。?/td> 894K
代理商: HCD404669
HD404669 Series
52
Bit
Initial value
Read/Write
Bit name
3
0
W
PMRB3
2
0
W
PMRB2
0
0
W
PMRB0
1
0
W
PMRB1
PMRB0
0
1
R0
0
/
INT
1
mode selection
R0
0
INT
1
Port mode register B (PMRB: $024)
PMRB1
0
1
R0
1
/INT
2
mode selection
R0
1
INT
2
PMRB2
0
1
R0
2
/INT
3
mode selection
R0
2
INT
3
PMRB3
0
1
R0
3
/INT
4
mode selection
R0
3
INT
4
Figure 31 Port Mode Register B (PMRB)
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
Figure 32 Port Mode Register C (PMRC)
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