參數(shù)資料
型號(hào): M34551E8-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, MICROCONTROLLER, PQFP48
封裝: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件頁數(shù): 29/154頁
文件大小: 1778K
代理商: M34551E8-XXXFP
APPLICATION
2-47
4551 Group User’s Manual
2.7 Reset
Fig. 2.7.2 Reset circuit example when the supply voltage rising time exceeds 100
s
Fig. 2.7.3 Oscillation stabilizing time after system is released from reset
Note: Keep the value of supply voltage the minimum value or more
of the recommended operating conditions.
RESET
Software start
(Address 0 in page 0)
Reset input
1machine cycle or more
=
0.3VDD
f(XIN) is counted
10757 to 10786 times
(Note)
0.85VDD
RESET
pin
WEF
Watchdog timer
output
Internal reset
signal
This symbol represents a parasitic
diode.
Note:
Applied potential to RESET pin must
be VDD or less.
(Note)
Power-on
reset circuit
Pull-up
transistor
Voltage drop detection circuit
Calculate the capacitor value to input “L” level until the supply voltage
reaches the minimum operation voltage.
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