參數(shù)資料
型號: HD404829R
廠商: Hitachi,Ltd.
英文描述: AS Microcomputer Incorporating a LCD controller/Driver Circuit(帶LCD控制/驅動電路的微計算機)
中文描述: 由于微機安裝有LCD控制器/驅動電路(帶液晶控制/驅動電路的微計算機)
文件頁數(shù): 61/147頁
文件大?。?/td> 519K
代理商: HD404829R
HD404829R Series
61
Timer B
Timer B Functions:
Timer B has the following functions.
Free-running/reload timer
External event counter
Timer output operation (toggle, 0, and 1 outputs)
The block diagram of timer B is shown in figure 45.
2
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 counter B
(TWBL)
(TWBU)
F
Timer mode
register B1
(TMB1)
Edge detection
control
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
TOB
EVNB
φ
PER
Figure 45 Block Diagram of Timer B
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