參數(shù)資料
型號(hào): UPD78058F
廠商: NEC Corp.
元件分類: DC/DC變換器
英文描述: 8-bit single-chip microcontroller
中文描述: 8位單片機(jī)
文件頁數(shù): 20/72頁
文件大?。?/td> 510K
代理商: UPD78058F
20
m
PD78042F, 78043F, 78044F, 78045F
Prescaler
5-bit counter
S
S
S
S
f
X
/2
8
f
XT
f
W
f
W
2
9
f
W
2
8
f
W
2
7
f
W
2
6
f
W
2
5
f
W
2
4
f
W
2
13
f
W
2
14
INTWT
INTTM3
Fig. 5-4 Watch Timer Block Diagram
Fig. 5-5 Watchdog Timer Block Diagram
Fig. 5-6 6-Bit Up/Down Counter Block Diagram
Caution When using the 6-bit up/down counter, set the CI0/P03/INTP3 pin in the input mode (set bit 3 of
port mode register 0 (PM03) to 1).
Internal bus
6-bit up/down counter
compare register (UDCC)
6-bit up/down counter
(UDC)
Load
CI0/P03/INTP3
Edge detector
Clear
Selector
Underflow
Match
INTP3/INTUD
Prescaler
S
RESET
S
C
8-bit
counter
INTWDT
Maskable
interrupt
request
INTWDT
Nonmaskable
interrupt
request
f
X
2
4
f
X
2
f
WDT
2
f
WDT
f
WDT
2
2
f
WDT
2
3
f
WDT
2
4
f
WDT
2
5
f
WDT
2
6
f
WDT
2
8
3
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