參數(shù)資料
型號: HD40C4384
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機(jī))
中文描述: 低電壓如同在微機(jī)芯片的A / D轉(zhuǎn)換器(帶片上的A / D轉(zhuǎn)換器的低壓微計算機(jī))
文件頁數(shù): 74/162頁
文件大?。?/td> 482K
代理商: HD40C4384
HD404374/HD404384/HD404389/HD404082/HD404084 Series
74
Timer B
Timer B Functions:
Timer B has the following functions.
Free-running/reload timer
External event counter
Timer output operation (toggle output, PWM output)
The block diagram of timer B is shown in figure 34.
3
3
4
4
4
Timer B ineterrupt
request flag
(IFTB)
(TCBL)
(TCBU)
Timer read
register BU
(TRBU)
I
Timer read
register BL
(TRBL)
Timer counter B
Timer write register B
(TWBL)
(TWBU)
F
Timer mode
register B1
(TMB1)
Timer mode
register B2
(TMB2)
Data bus
Clock line
Signal line
S
O
P
(
System
clock
÷
2
÷
4
÷
8
÷
32
÷
128
÷
512
÷
2048
Timer output
control logic
Timer C clock source
Edge detection
logic
TOB
EVNB
PER
1
2
Figure 34 Timer B Block Diagram
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