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M38066M7-FP Datasheet(PDF) 5 Page - Renesas Technology Corp |
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M38066M7-FP Datasheet(HTML) 5 Page - Renesas Technology Corp |
5 / 67 page 4 MITSUBISHI MICROCOMPUTERS 3820 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER Function • Apply voltage of 2.5 V to 5.5 V to VCC, and 0 V to VSS. (Extended operating temperature version : 3.0 V to 5.5 V) • 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. • If an external clock is used, connect the clock source to the XIN pin and leave the XOUT pin open. • This clock is used as the oscillating source of system clock. • 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. • LCD segment output pins • 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-down control is enabled. • 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-down control is enabled. • 8-bit I/O port • CMOS compatible input level • CMOS 3-state output structure • I/O direction register allows each pin to be individually programmed as either input or output. • Pull-up control is enabled. • 8-bit Input port • CMOS compatible input level • Pull-down control is enabled. • 1-bit input pin • CMOS compatible input level • 7-bit I/O port • CMOS compatible input level • CMOS 3-state output structure • I/O direction register allows each pin to be individually programmed as either input or output. • Pull-up control is enabled. Pin VCC VSS RESET XIN XOUT VL1 – VL3 COM0 – COM3 SEG0 – SEG15 P00/SEG24 – P07/SEG31 P10/SEG32 – P17/SEG39 P20 – P27 P30/SEG16 – P37/SEG23 P40 P41/ φ P42/INT0, P43/INT1 P44/RXD, P45/TXD, P46/SCLK1, P47/SRDY1 Name Power source Reset input Clock input Clock output LCD power source Common output Segment output I/O port P0 I/O port P1 I/O port P2 Input port P3 Input port P4 I/O port P4 Function except a port function • LCD segment pins • Key input (key-on wake up) interrupt input pins • LCD segment pins • φ clock output pin • Interrupt input pins • Serial I/O1 function pins PIN DESCRIPTION |
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