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M38034 Datasheet(PDF) 6 Page - Mitsubishi Electric Semiconductor |
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M38034 Datasheet(HTML) 6 Page - Mitsubishi Electric Semiconductor |
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6 / 135 page  6 3803/3804 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. •In the flash memory version, apply voltage of 4.0 V – 5.5 V to Vcc, and 0 V to Vss •This pin controls the operation mode of the chip. •Normally connected to VSS. •In the flash memory version, this becomes VPP power source input pin. •Reference voltage input pin for A-D and D-A converters. •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. •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. •Pull-up control is enabled in a bit unit. •P20–P27 are enabled to output large current for LED drive. •8-bit CMOS I/O port. •I/O direction register allows each pin to be individually programmed as either input or output. •P30, P31, P34–P37 are CMOS 3-state output structure. •P32, P33 are N-channel open-drain output structure. •Pull-up control of P30, P31, P34–P37 is enabled in a bit unit. Power source Table 1 Pin description (3803 group) Function except a port function •A-D converter input pin Reference voltage Analog power source Clock input Clock output I/O port P0 I/O port P1 I/O port P2 VREF AVSS CNVSS input CNVSS RESET Reset input XIN XOUT P00/AN8– P07/AN15 P10/INT01 P11/INT41 P12–P17 P20–P27 P30/DA1 P31/DA2 P32, P33 P34/RxD3 P35/TxD3 P36/SCLK3 P37/SRDY3 P40/INT40/ XCOUT P41/INT00/ XCIN I/O port P3 •Interrupt input pin •D-A converter input pin •Serial I/O3 function pin 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. •CMOS 3-state output structure. •Pull-up control is enabled in a bit unit. •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. •Pull-up control is enabled in a bit unit. •Interrupt input pin •Sub-clock generating I/O pin (resonator connected) P42/INT1 P43/INT2 P44/RxD1 P45/TxD1 P46/SCLK1 P47/SRDY1 /CNTR2 P50/SIN2 P51/SOUT2 P52/SCLK2 P53/SRDY2 P54/CNTR0 P55/CNTR1 P56/PWM P57/INT3 P60/AN0– P67/AN7 •Interrupt input pin •Serial I/O1 function pin •Serial I/O1, timer Z function pin I/O port P5 I/O port P6 •Serial I/O2 function pin •Timer X function pin •Timer Y function pin •PWM output pin •Interrupt input pin •A-D converter input pin |
Similar Part No. - M38034 |
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Similar Description - M38034 |
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