參數(shù)資料
型號: HD404341R
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-series microcomputer(4位單片微計算機)
中文描述: 4位HMCS400系列微電腦(4位單片微計算機)
文件頁數(shù): 59/100頁
文件大小: 610K
代理商: HD404341R
HD404344R Series/HD404394 Series
59
Timer write register C (TWCL: $00E, TWCU: $00F): Write-only register consisting of a lower digit
(TWCL: $00E) and an upper digit (TWCU: $00F), as shown in figures 37 and 38.
The operation of this register is the same as that of timer write register B.
Bit
Initial value
Read/Write
Bit name
3
0
W
TWCL3
2
0
W
TWCL2
0
0
W
TWCL0
1
0
W
TWCL1
Timer write register C (lower) (TWCL: $00E)
Figure 37 Timer Write Register C (lower) (TWCL)
Bit
Initial value
Read/Write
Bit name
3
Undefined
W
TWCU3
2
Undefined
W
TWCU2
0
Undefined
W
TWCU0
1
Undefined
W
TWCU1
Timer write register C (upper) (TWCU: $00F)
Figure 38 Timer Write Register C (upper) (TWCU)
Timer read register C (TRCL: $00E, TRCU: $00F): Read-only register consisting of a lower digit
(TRCL: $00E) and upper digit (TRCU: $00F), which allows the upper digit of timer C to be read
directly (figures 39 and 40).
The operation of this register is the same as that of timer read register B.
Bit
Initial value
Read/Write
Bit name
3
Undefined
R
TRCL3
2
Undefined
R
TRCL2
0
Undefined
R
TRCL0
1
Undefined
R
TRCL1
Timer read register C (lower) (TRCL: $00E)
Figure 39 Timer Read Register C (lower) (TRCL)
Bit
Initial value
Read/Write
Bit name
3
Undefined
R
TRCU3
2
Undefined
R
TRCU2
0
Undefined
R
TRCU0
1
Undefined
R
TRCU1
Timer read register C (upper) (TRCU: $00F)
Figure 40 Timer Read Register C (upper) (TRCU)
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