參數(shù)資料
型號(hào): HD4074654H
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): 62/109頁(yè)
文件大小: 430K
代理商: HD4074654H
HD404654 Series
62
Bit
Initial value
Read/Write
Bit name
3
0
W
PMRC3
2
0
W
PMRC2
0
Not used
1
0
W
PMRC1
PMRC1
0
1
R4
0
/EVND mode selection
R4
0
EVND
Port mode register C (PMRC: $025)
PMRC3
0
1
D
13
/
INT
0
mode selection
D
13
INT
0
PMRC2
0
1
D
12
/
STOPC
mode selection
D
12
STOPC
Figure 50 Port Mode Register C (PMRC)
Detection edge select register 2 (ESR2: $027): Write-only register that selects the detection edge of
signals input to pin EVND as shown in figure 51. It is reset to $0 by MCU reset.
Bit
Initial value
Read/Write
Bit name
3
0
W
ESR23
2
0
W
ESR22
0
Not used
1
Not used
Detection edge register 2 (ESR2: $027)
ESR23
0
1
ESR22
0
1
0
1
EVND detection edge
No detection
Falling-edge detection
Rising-edge detection
Double-edge detection
Note: Both falling and rising edges are detected.
*
Figure 51 Detection Edge Select Register 2 (ESR2)
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