參數(shù)資料
型號: HD40A4639R
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
中文描述: 4位單片機(4位單片微計算機)
文件頁數(shù): 76/133頁
文件大小: 803K
代理商: HD40A4639R
HD404639R Series
76
Timer mode register D2 (TMD2: $015): Four-bit read/write register that selects the timer D output
mode and input capture operation as shown in figure 60. It is reset to $0 by MCU reset.
Bit
Initial value
Read/Write
Bit name
3
0
R/W
TMD23
2
0
R/W
TMD22
0
0
R/W
TMD20
1
0
R/W
TMD21
Timer mode register D2 (TMD2: $015)
TMD22
TMD20
0
1
0
1
0
1
0
1
TMD21
0
1
0
1
0
1
R3
2
/TOD mode selection
R3
2
TOD
TOD
TOD
TOD
TOD
TOD
TOD
R3
2
R3
2
port
Toggle output
0 output
1 output
Inhibited
PWM output
Input capture (R3
2
port)
TMD23
0
1
Don’t care
Don’t care
Don’t care
Figure 60 Timer Mode Register D2 (TMD2)
Timer write register D (TWDL: $011, TWDU: $012): Write-only register consisting of a lower digit
(TWDL) and an upper digit (TWDU) as shown in figures 61 and 62. The operation of timer write
register D is basically the same as that of timer write register B (TWBL: $00A, TWBU: $00B).
Bit
Initial value
Read/Write
Bit name
3
0
W
TWDL3
2
0
W
TWDL2
0
0
W
TWDL0
1
0
W
TWDL1
Timer write register D (lower digit) (TWDL: $011)
Figure 61 Timer Write Register D Lower Digit (TWDL)
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