參數(shù)資料
型號(hào): UPD780023AYCW(A)-XXX
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP64
封裝: 0.750 INCH, PLASTIC, SDIP-64
文件頁(yè)數(shù): 20/92頁(yè)
文件大?。?/td> 689K
代理商: UPD780023AYCW(A)-XXX
27
PD780021A(A), 780022A(A), 780023A(A), 780024A(A), 780021AY(A), 780022AY(A), 780023AY(A), 780024AY(A)
Data Sheet U15131EJ3V0DS
Figure 5-5. Watch Timer Block Diagram
Figure 5-6. Watchdog Timer Block Diagram
fX/27
fXT
fW
24
fW
25
fW
26
fW
27
fW
28
fW
29
Clear
9-bit prescaler
Clear
5-bit counter
INTWT
INTWTI
WTM7 WTM6 WTM5 WTM4 WTM1 WTM0
Watch timer mode
control register (WTM)
Internal bus
Selector
Oscillation
stabilization time
selection register
(OSTS)
Clock
input
controller
INTWDT
RESET
WDT mode signal
3
OSTS2 OSTS1 OSTS0
WDCS2 WDCS1 WDCS0
Internal bus
Divider
Divided
clock
selector
Output
controller
Division mode
selector
RUN WDTM4 WDTM3
Watchdog timer
clock selection
register (WDCS)
Watchdog timer
mode register
(WDTM)
RUN
fX/28
fX
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