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M38064ECDFP Datasheet(PDF) 5 Page - Renesas Technology Corp |
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M38064ECDFP Datasheet(HTML) 5 Page - Renesas Technology Corp |
5 / 58 page MITSUBISHI MICROCOMPUTERS 3806 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER 4 Function • Apply voltage of 3.0 V to 5.5 V to VCC, and 0 V to VSS. (Extended operating temperature version : 4.0 V to 5.5 V) (High-speed version : 2.7 V to 5.5 V) • This pin controls the operation mode of the chip. • Normally connected to VSS. • If this pin is connected to VCC, the internal ROM is inhibited and external memory is accessed. • Reference voltage input pin for A-D and D-A converters • GND input pin for A-D and D-A converters • Connect to VSS. • Reset input pin for active “L” • Input and output signals for the internal clock generating circuit. • Connect a ceramic resonator or quartz-crystal oscillator between the XIN and XOUT pins to set the oscillation frequency. • If an external clock is used, connect the clock source to the XIN pin and leave the XOUT pin open. • The clock is used as the oscillating source of system clock. • 8 bit CMOS I/O port • I/O direction register allows each pin to be individually programmed as either input or output. • At reset this port is set to input mode. • In modes other than single-chip, these pins are used as address, data, and control bus I/O pins. • 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 • 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 Pin VCC VSS CNVSS VREF AVSS ______ RESET XIN XOUT P00 – P07 P10 – P17 P20 – P27 P30 – P37 P40, P41 P42/INT0, P43/INT1 P44/RXD, P45/TXD, P46/SCLK1, _____ P47/SRDY1 P50 P51/INT2 – P53/INT4 P54/CNTR0, P55/CNTR1 P56/DA1, P57/DA2 P60/AN0 – P67/AN7 PIN DESCRIPTION Name Power source CNVSS Analog reference voltage Analog power source Reset input Clock input Clock 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 I/O port P6 Function except a port function • External interrupt input pin • Serial I/O1 I/O pins • External interrupt input pin • Timer X and Timer Y I/O pins • D-A conversion output pins • A-D conversion input pins |
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