參數(shù)資料
型號: HD40A4639R
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
中文描述: 4位單片機(4位單片微計算機)
文件頁數(shù): 72/133頁
文件大?。?/td> 803K
代理商: HD40A4639R
HD404639R Series
72
Timer D interrupt
request flag (IFTD)
Timer output
control logic
Timer read
register DU (TRDU)
Timer output
control
Timer read
register DL
(TRDL)
Clock
Timer counter D
(TCD)
Selector
System
clock
Prescaler S (PSS)
Overflow
I
Timer write
register DU
(TWDU)
Timer write
register DL
(TWDL)
Timer mode
register D1
(TMD1)
Timer mode
register D2
(TMD2)
Free-running/
Reload control
TOD
Edge
detection
logic
Edge detection
selection register
2 (ESR2)
Edge detection control
PER
2
3
3
÷
2
÷
4
÷
8
÷
3
÷
1
÷
5
÷
2
EVND
Figure 58 (A) Block Diagram of Timer D (Free-Running/Reload Timer)
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