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M30220 Datasheet(PDF) 8 Page - Renesas Technology Corp |
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M30220 Datasheet(HTML) 8 Page - Renesas Technology Corp |
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8 / 221 page  Pin Description Mitsubishi microcomputers M30220 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER 7 Pin Description Signal name Function Pin name I/O I/O I/O I/O I/O I/O port P7 I/O port P8 I/O port P9 I/O port P10 P70 to P76 P80 to P87 P90 to P97 P100 to P107 This is an 8-bit I/O port equivalent to P0. Pins in this port also function as A-D converter analog input pins as selected by software. This is an 8-bit I/O port equivalent to P0. Pins in this port also function as SEG output for LCD as selected by software. P77 I This is an 3-bit I/O port equivalent to P0. Pins in this port also function as D-A converter analog output pins or start trigger for A-D input pins. I/O I/O port P11 P110 to P117 This is an 8-bit I/O port equivalent to P0. Pins in this port also function as SEG output for LCD as selected by software. I/O I/O port P13 P130 to P132 O Segment output SEG0 to SEG15 Pins in this port function as SEG output for LCD drive circuit. O Common output COM0 to COM3 Power supply input for LCD drive circuit. Power supply input for LCD VL1 to VL3 Pins in this port function as common output for LCD drive circuit. Step-up condenser connect port C1, C2 Pins in this port function as external pin for LCD step-up condenser. Connect a condenser between C1 and C2. I/O I/O port P12 P120 to P127 This is an 8-bit I/O port equivalent to P0. Pins in this port also function as SEG output for LCD and real time port output. This is a 8-bit I/O port equivalent to P0. Pins in this port also function as timer A4 to A7 I/O pins, INT5 input pin as selected by software. P70 to P76 are I/O ports equivalent to P0 (P70 and P71 are N channel open-drain output). Pins in this port also function as UART2 I/O pin, INT0 to INT2 input pins as selected by software. P77 is an input-only port that also functions for NMI. |
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