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M38503M4-219SP Datasheet(PDF) 3 Page - Mitsubishi Electric Semiconductor

Part # M38503M4-219SP
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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Manufacturer  MITSUBISHI [Mitsubishi Electric Semiconductor]
Direct Link  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M38503M4-219SP Datasheet(HTML) 3 Page - Mitsubishi Electric Semiconductor

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3
3850 Group (Spec. H)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
VCC, VSS
PIN DESCRIPTION
Functions
Name
Pin
•Apply voltage of 2.7 V – 5.5 V to Vcc, and 0 V to Vss.
•This pin controls the operation mode of the chip.
•Normally connected 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.
•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.
•P10 to P17 (8 bits) are enabled to output large current for LED drive.
Power source
Table 1 Pin description
Function except a port function
Clock input
Clock output
I/O port P0
CNVSS input
CNVSS
RESET
Reset input
XIN
XOUT
P00/SIN2
P01/SOUT2
P02/SCLK2
P03/SRDY2
P04–P07
I/O port P1
P10–P17
• Serial I/O2 function pin
• Sub-clock generating circuit I/O
pins (connect a resonator)
I/O port P2
I/O port P3
I/O port P4
•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.
•P20, P21, P24 to P27: CMOS3-state output structure.
•P22, P23: N-channel open-drain structure.
• Serial I/O1 function pin
• Serial I/O1 function pin/
Timer X function pin
• A-D converter input pin
• Timer Y function pin
• Interrupt input pins
• Interrupt input pin
• SCMP2 output pin
• Interrupt input pin
• PWM output pin
•8-bit CMOS I/O port with the same function as port P0.
•CMOS compatible input level.
•CMOS 3-state output structure.
•8-bit CMOS I/O port with the same function as port P0.
•CMOS compatible input level.
•CMOS 3-state output structure.
P20/XCOUT
P21/XCIN
P22
P23
P24/RxD
P25/TxD
P26/SCLK
P27/CNTR0/
SRDY1
P30/AN0
P34/AN4
P40/CNTR1
P41/INT0
P42/INT1
P43/INT2/SCMP2
P44/INT3/PWM


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