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M38747MCT Datasheet(Fiches technique) 5 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M38747MCT
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER  
Télécharger  92 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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 5 page
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5
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
VCC, VSS
PIN DESCRIPTION
Functions
Name
Pin
•Apply voltage of 3.0 V – 5.5 V to Vcc, and 0 V to Vss.
•Reference voltage input pin for A-D and D-A conver ters.
•Analog power source input pin for A-D and D-A converters.
•Connect to VSS.
•Reset input pin for active “L.”
•Input and output pins for the clock generating circuit.
•Connect a ceramic resonator or 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 the XIN pin and leave the XOUT
pin open.
•Feedback resistor is built in between XIN pin and XOUT pin.
•8-bit CMOS I/O port.
•I/O direction register allows each pin to be individually programmed as either input or output.
•CMOS compatible input level.
•CMOS 3-state output structure.
•8-bit I/O port with the same function as port P0.
•CMOS compatible input level.
•CMOS 3-state output structure.
Power source input
Table 1 Pin description (1)
Function except a port function
Reference voltage input
Analog power source
input
Clock input
Clock output
I/O port P0
I/O port P1
I/O port P2
I/O port P3
VREF
AVSS
RESET
Reset input
XIN
XOUT
P00–P07
P10–P17
P20–P27
P30–P37
•Sub-clock generating circuit I/O
pins connect a resonator.
(This circuit cannot be operated by
an external clock.)
•Interrupt input pins
P40/XCOUT,
P41/XCIN
P42/INT1,
P43/INT2
P44/RXD,
P45/TXD,
P46/SCLK1,
P47/SRDY1
P50/TOUT
P51/INT3
P53/INT5
P54/CNTR0,
P55/CNTR1
P56/RTP0,
P57/RTP1
•Serial I/O1 function pins
•Timer 2 output pin
•Interrupt input pins
•Timer X, timer Y function pins
•Real time port function pins
I/O port P4
I/O port P5
•8-bit I/O port with the same function as port P0.
•CMOS compatible input level.
•CMOS 3-state output structure.




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Datasheet Download



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