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參數(shù)資料
| 型號(hào)： | UPD754304GS-XXX-A |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, MICROCONTROLLER, PDSO36 |
| 封裝： | 0.300 INCH, 0.80 MM PITCH, PLASTIC, SSOP-36 |
| 文件頁(yè)數(shù)： | 16/73頁(yè) |
| 文件大?。?/td> | 814K |
| 代理商： | UPD754304GS-XXX-A |
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PD754302, 754304, 754302(A), 754304(A)
23
Data Sheet U10797EJ2V1DS
6.4 Basic Interval Timer/Watchdog Timer
The basic interval timer/watchdog timer has the following functions.
Interval timer operation to generate a reference time interrupt
Watchdog timer operation to detect a runaway of program and reset the CPU
Selects and counts the wait time when the standby mode is released
Reads the contents of counting
Figure 6-3. Basic Interval Timer/Watchdog Timer Block Diagram
From clock
generator
fX/25
fX/27
fX/29
fX/212
MPX
BTM3 BTM2 BTM1 BTM0 BTM
4
SET1 Note
Internal bus
81
Basic interval timer
(8-bit frequency divider)
Clear
BT
Wait release signal
when standby is
released.
Set
Clear
3
WDTM
SET1 Note
Internal reset
signal
Vectored
interrupt
request signal
BT
interrupt
request flag
IRQBT
Note Instruction execution
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| UPD7554AG-597-E2 | 制造商:Renesas Electronics Corporation 功能描述: |
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