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M38B53M4-059FP датащи(PDF) 55 Page - Mitsubishi Electric Semiconductor

номер детали M38B53M4-059FP
подробное описание детали  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER????
PDF  69 Pages
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производитель  MITSUBISHI [Mitsubishi Electric Semiconductor]
домашняя страница  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M38B53M4-059FP датащи(HTML) 55 Page - Mitsubishi Electric Semiconductor

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MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
55
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
RESET
Internal
reset
Data
φ
Address
SYNC
XIN: about 4000 cycles
XIN
?
?
?
?
?
FFFC
FFFD
ADH, ADL
1: The frequency relation of f(XIN) and f(
φ) is f(XIN)=4 • f(φ).
2: The question marks (?) indicate an undefined state that depends on the previous state.
Notes
ADL
ADH
Reset Circuit
______
To reset the microcomputer, RESET pin should be held at an “L”
______
level for 2 µs 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, and
the oscillation should be stable), reset is released. After the reset is
completed, the program starts from the address contained in address
FFFD16 (high-order byte) and address FFFC16 (low-order byte). Make
sure that the reset input voltage is less than 0.5 V for VCC of 2.7 V
(switching to the high-speed mode, a power source voltage must be
between 4.0 V and 5.5 V).
Fig. 66 Reset Sequence
Fig. 65 Reset Circuit Example
(Note)
0.2VCC
0V
0V
Poweron
VCC
RESET
VCC
RESET
Power source
voltage detection
circuit
Power source
voltage
Reset input
voltage
Note : Reset release voltage ; Vcc=2.7 V



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