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(jì)算機(jī))
中文描述: 低電壓如同在微機(jī)芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計(jì)算機(jī))
文件頁數(shù): 75/142頁
文件大?。?/td> 894K
代理商: HCD404669
HD404669 Series
75
Port mode register C (PMRC: $025):
Write-only register that selects R4
0
/EVND pin function as shown
in figure 56. It is reset to $0 by MCU reset.
Port mode register C (PMRC: $025) bits 3 and 1 (PMRC3, PMRC1) are reset to 00 by an MCU reset or in
stop mode. Bit 2 (PMRC2) is reset to 0 by an MCU reset, but retains its previous setting in stop mode.
Port mode register C (PMRC: $025)
Initial value
Read/Write
Bit name
PMRC3
PMRC3
0
1
D
13
/
INT
0
pin mode selection
D
13
INT
0
PMRC2
0
1
D
12
/
STOPC
pin mode selection
D
12
STOPC
PMRC1
0
1
R4
0
/EVND pin mode selection
R4
0
EVND
3
0
W
2
0
W
PMRC2
0
Not Used
1
0
W
PMRC1
Figure 56 Port Mode Register C (PMRC)
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