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M38062M5XXXFP Datasheet(PDF) 4 Page - Renesas Technology Corp |
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M38062M5XXXFP Datasheet(HTML) 4 Page - Renesas Technology Corp |
4 / 53 page 3 3850 Group 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. •P13 to P17 (5 bits) are enabled to output large current for LED drive. •8-bit CMOS I/O port. Power source Table 1 Pin description Function except a port function • Sub-clock generating circuit I/O pins (connect a resonator) Clock input Clock output I/O port P0 I/O port P1 I/O port P2 CNVSS input CNVSS RESET Reset input XIN XOUT P00–P07 P10–P17 P20/XCOUT P21/XCIN P22 P23 P24/RxD P25/TxD P26/SCLK P27/CNTR0/ SRDY P30/AN0– P34/AN4 I/O port P3 I/O port P4 •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/O function pin • Serial I/O function pin/ Timer X function pin • A-D converter input pin • Timer Y function pin • Interrupt input pins • Interrupt input pin • PWM output pin P40/CNTR1 P41/INT0– P43/INT2 P44/INT3/PWM •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. |
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