參數(shù)資料
型號(hào)： M38869M8A-012HP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù)： 56/110頁(yè)
文件大小： 1601K
代理商： M38869M8A-012HP
56
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
RESET CIRCUIT
To reset the microcomputer, RESET pin should be held at an "L"
level for 2
μ
s or more. Then the RESET pin is returned to an "H"
level (the power source voltage should be between 2.7 V and 5.5
V (4.0 V to 5.5 V for flash memory version), and the oscillation
should be stable), reset is released. After the reset is completed,
the program starts from the address contained in address FFFD
16
(high-order byte) and address FFFC
16
(low-order byte). Make sure
that the reset input voltage is less than 0.54 V for V
CC
of 2.7 V. For
flash memory version, make sure that the reset input voltage is
less than 0.8 V for Vcc of 4.0 V.
Fig. 56 Reset sequence
Fig. 55 Reset circuit example
(Note)
0.2V
CC
0V
0V
Poweron
V
CC
RESET
V
CC
RESET
Power source
voltage detection
circuit
Power source
voltage
Reset input
voltage
Note
:
Reset release voltage ; Vcc=2.7 V
(Vcc = 4.0 V for flash memory version)
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