參數(shù)資料
型號(hào): HD4074849H
廠商: Hitachi,Ltd.
英文描述: CONTACT
中文描述: 4位單片機(jī)
文件頁數(shù): 69/125頁
文件大?。?/td> 471K
代理商: HD4074849H
HD404849 Series
69
Timer read register C (TRCL: $00E, TRCU: $00F): Read-only register consisting of a lower digit
(TRCL) and upper digit (TRCU) that holds the count of the timer C upper digit. See figures 56 and 57.
The operation of timer read register C is basically the same as that of timer read register B (TRBL:
$00A, TRBU: $00B).
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 digit) (TRCL: $00E)
Figure 56 Timer Read Register C Lower Digit (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 digit) (TRCU: $00F)
Figure 57 Timer Read Register C Upper Digit (TRCU)
Timer D
Timer D Functions:
Timer D has the following functions.
Free-running/reload timer
External event counter
Timer output operation (toggle, 0, 1, and PWM outputs)
Input capture timer
The block diagram for each operation mode of timer D is shown in figures 58-1 and 58-2.
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