參數(shù)資料
型號: M34551M8
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 單芯片4位CMOS微機(jī)紅外遙控器
文件頁數(shù): 32/68頁
文件大小: 698K
代理商: M34551M8
32
MITSUBISHI MICROCOMPUTERS
4551 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for
INFRARED REMOTE CONTROL TRANSMITTER
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
RESET pin
WEF
Watchdog timer output
Internal reset signal
Power-on
reset circuit
Pull-up transistor
Voltage drop detection circuit
Internal reset
signal
V
DD
Detection voltage
The microcomputer starts operation after the
f(X
IN
) is counted 10757 to 10786 times.
Voltage drop
detection circuit
Operating
Voltage drop
detection circuit
Stop
Voltage drop
detection circuit
Operating
Voltage drop
detection circuit
Stop
Voltage drop detection
circuit
Operating
“H”
“L”
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