參數(shù)資料
型號: HCD404084
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉換器的低壓微計算機)
中文描述: 低電壓如同在微機芯片的A / D轉換器(帶片上的A / D轉換器的低壓微計算機)
文件頁數(shù): 79/162頁
文件大小: 482K
代理商: HCD404084
HD404374/HD404384/HD404389/HD404082/HD404084 Series
79
TMB20
0
1
0
1
EVNB pin detected edge
Not detected
Falling edge detection
Rising edge detection
Both rising and falling edge detection
TMB22
0
1
Timer B output waveform
Toggle output
PWM output
TMB21
0
1
Timer mode register B2 (TMB2: $011)
Bit
Read/Write
Initial value on reset
Bit name
3
2
W
0
TMB22
1
W
0
TMB21
0
W
0
TMB20
Figure 37 Timer Mode Register B2 (TMB2)
Timer write register B (TWBL: $012, TWBU:$013):
Timer write register B (TWBL, TWBU) is a write-only register composed of a lower digit (TWBL) and
an upper digit (TWBU) (figures 38 and 39).
The lower digit (TWBL) of timer write register B is reset to $0 by an MCU reset, while the upper digit
(TWBU) is undetermined.
Timer B can be initialized by writing to timer write register B (TWBL, TWBU). To write the data, first
write the lower digit (TWBL). The lower digit write does not change the timer B value. Next, write the
upper digit (TWBU). Timer B is then initialized to the timer write register B (TWBL, TWBU) value.
When writing to timer write register B (TWBL, TWBU) from the second time onward, if it is not
necessary to change the lower digit (TWBL) reload value, timer B initialization is completed by the
upper digit write alone.
3
W
0
TWBL3
2
W
0
TWBL2
1
W
0
TWBL1
0
W
0
TWBL0
Timer write register B (lower) (TWBL: $012)
Bit
Read/Write
Initial value on reset
Bit name
Figure 38 Timer Write Register B (Lower) (TWBL)
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