M37510M1FP データシートの表示（PDF） - MITSUBISHI ELECTRIC
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M37510M1FP Datasheet PDF : 43 Pages
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MITSUBISHI MICROCOMPUTERS
7510 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PIN DESCRIPTION
Pin
VCC, VSS
RESET
XIN
XOUT
VLCD
VL2, VL3
Name
Power source
Reset input
Clock input
Clock output
LCD voltage source
LCD bias control pin
Function
Function except a port function
Apply voltage of 4.0 to 5.5 V to VCC, and 0 V to VSS (in high-speed mode).
Reset input pin for active “L”.
Input and output pins for the main clock generating circuit. Connect a ceramic resonator or
quartz-crystal oscillator between the XIN and XOUT pins to set the oscillating frequency. If an ex-
ternal clock is used, connect the clock source to the XIN pin and leave the XOUT pin open.
This pin is used as voltage supply input for LCD driver. Input VLCD ≤ VCC voltage.
When the LCD is operated at 1/5 bias, leave these pins open. When the LCD is operated at 1/4
bias, connect these pins externally.
COM0–
COM15
Common output
LCD common output pins.
SEG0–
SEG79
Segment output
P00–P07
P10–P17
P20–P27
P30/RXD2,
P31/TXD2,
P32/ SCLK2,
P33/SRDY2
P34–P37
P40/INT0
P41/INT1
I/O port P0
I/O port P1
I/O port P2
I/O port P3
Input port P4
P42/CNTR0,
P43/CNTR1
P44/RXD1,
P45/TXD1,
P46/ SCLK1,
P47/SRDY1
I/O port P4
P50/XCOUT,
P51/XCIN
I/O port P5
LCD segment output pins.
An 8-bit I/O port. The output structure of this port is CMOS 3-state, and the input levels are
CMOS compatible. The port direction register allows each pin to be individually programmed as
either input or output.
Key input (Key-on wake-up) interrupt input pins.
Serial I/O2 function pins
A 1-bit CMOS level input port.
External interrupt input pins
A 7-bit I/O port with the same function as port
P0.
The port direction register allows each pin to
be individually programmed as either input or
output.
Timer X, Timer Y function pins
External interrupt input pins
Serial I/O1 function pins
A 2-bit I/O port with the same function as port
P0.
The port direction register allows each pin to
be individually programmed as either input or
output.
I/O pins for the internal sub clock generating
circuit. Connect an oscillator.
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