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M38C2XMX Datasheet(Fiches technique) 3 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M38C2XMX
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER   
Télécharger  63 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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3
38C2 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
• Apply voltage of 1.8 V to 5.5 V to VCC, and 0 V to VSS.
• Reference voltage input pin for A-D converter.
• GND input pin for A-D converter. Connect to VSS.
• Reset input pin for active “L.”
• Input and output pins for the main clock generating circuit.
• Feedback resistor is built in between XIN pin and XOUT pin.
• Connect a ceramic resonator or a quartz-crystal oscillator between the XIN and XOUT pins to
set the oscillation frequency. When an external clock is used, connect the clock source to XIN,
and leave XOUT pin open.
• Input 0
≤ VL1 ≤ VL2 ≤ VL3 ≤ VCC voltage.
• Input 0 – VL3 voltage to LCD.
• LCD common output pins.
• COM2 and COM3 are not used at 1/2 duty ratio.
• COM3 is not used at 1/3 duty ratio.
• 8-bit I/O port.
• CMOS compatible input level.
• CMOS 3-state output structure.
• I/O direction register allows each port to be individually
programmed as either input or output.
• Pull-up control is enabled.
VCC, VSS
VREF
AVSS
RESET
XIN
VL3
COM0
COM3
P00/SEG0
P03/SEG3
P04/SEG4
P07/SEG7
P10/SEG8
P17/SEG15
P20/SEG16
P25/SEG21
P26/SEG22/VL1
P27/SEG23/VL2
P30/SRDY2
P31/SCLK2
P32/TxD2
P33/RxD2
P34/INT2
P35/TXOUT
P36/T2OUT/
φ
P37/CNTR0
P40/OOUT0/AN0
P41/OOUT1/AN1
P42/AN2
P45/AN5
P46/RTP0/AN6
P47/RTP1/AN7
P50/INT0
P51/INT1
P52/T3OUT/PWM0
P53/T4OUT/PWM1
P54/RxD1
P55/TxD1
P56/SCLK1
P57/SRDY1
Power source
Analog reference
voltage
Analog power source
Reset input
Clock input
LCD power
source
Common output
I/O port P0
I/O port P1
I/O port P2
I/O port P3
I/O port P4
I/O port P5
Function except a port function
PIN DESCRIPTION
Table 1 Pin description (1)
Function
Pin
Name
• LCD segment
output pins
• Serial I/O2 function pins
• External interrupt pin
• Timer X, Timer 2 output pins
• Timer X function pin
• AD converter input
pins
• External interrupt pins
• Timer 3, Timer 4 output pins
• PWM output pins
• Serial I/O1 function pins
• Key input interrupt input pins
• Key input interrupt
pins
• LCD power source
input pins
• Oscillation external
output pins
• Real time port
function pins
XOUT
Clock output




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