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): 95/154頁
文件大?。?/td> 1778K
代理商: M34551E8-XXXFP
HARDWARE
1-34
4551 Group User’s Manual
VOLTAGE DROP DETECTION CIRCUIT
The built-in voltage drop detection circuit is designed to detect a
drop in voltage and to reset the microcomputer if the supply
voltage drops below a set value.
Fig. 32 Voltage drop detection reset circuit
Fig. 33 Voltage drop detection circuit operation waveform
FUNCTIONAL BLOCK OPERATIONS
RESET pin
WEF
Watchdog timer output
Internal reset signal
Power-on
reset circuit
Pull-up transistor
Voltage drop detection circuit
VDD
Reset voltage
Internal reset
signal
The microcomputer starts operation
after the f(XIN) is counted 10757 to
10786 times.
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