參數(shù)資料
型號(hào)： UPD78002
廠商： NEC Corp.
元件分類： DC/DC變換器
英文描述： 1 watt dc-dc converters
中文描述： 1瓦的DC - DC轉(zhuǎn)換器
文件頁數(shù)： 18/62頁
文件大?。?/td> 576K
代理商： UPD78002
18
μ
PD78001B(A), 78002B(A)
5.3
TIMER/EVENT COUNTER
The following four channels are incorporated in the timer/event counter.
8-bit timer/event counter
Watch timer
Watchdog timer
: 2 channels
: 1 channel
: 1 channel
Table 5-2 Types and Features of Timer/Event Counter
Fig. 5-2 8-Bit Timer/Enent Counter Block Diagram
Type
Interval timer
2 channels
1 channel
1 channel
External event counter
2 channels
–
–
Functions
Timer output
2 outputs
–
–
Sqare wave output
2 outputs
–
–
Interrupt request
2
2
1
8-bit Timer/Event Counter
Watch Timer
Watchdog Timer
Internal Bus
8-Bit Compare
Register (CR10)
8-Bit Timer
Register 1 (TM1)
Clear
Output
Control
Circuit
Output
Control
Circuit
INTTM1
TO2/P32
INTTM2
TO1/P31
Clear
Match
Selector
8-Bit Compare
Register (CR20)
8-Bit Timer
Register 2 (TM2)
Internal Bus
Selector
Selector
Match
f
X
/2 – f
X
/2
10
f
X
/2
12
TI1/P33
f
X
/2 – f
X
/2
10
f
X
/2
12
TI1/P34
Selector
Selector
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