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MB89925 Datasheet(PDF) 8 Page - fujitsu semiconductor |
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MB89925 Datasheet(HTML) 8 Page - fujitsu semiconductor |
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8 / 46 page  8 MB89920 Series (Continued) Pin no. Pin name Circuit type Function 27 P30/UI E General-purpose I/O port A pull-up resistor option is provided. Also serves as a UART data input (UI). 28 to 31 P27 to P24 D General-purpose I/O ports A pull-up resistor option is provided. 32 P23/RTI1 E General-purpose I/O port A pull-up resistor option is provided. Also serves as an input capture data input. 33, 34 P22, P21 D General-purpose I/O ports A pull-up resistor option is provided. 35 P20/RTI0 E General-purpose I/O port A pull-up resistor option is provided. Also serves as an input capture data input. 36 to 39 P07 to P04 D General-purpose I/O ports A pull-up resistor options is provided. 40 to 43 P03/INT3 to P00/INT0 E General-purpose I/O ports A pull-up resistor options is provided. Also serve as an external interrupt input (INT0 to INT3). 44 to 51 P17/AN7 to P10/AN0 G CMOS I/O ports Also serve as an A/D converter analog input. 57, 58 P45/V2, P44/V1 F LCD driving power supply pins These pins can be used as an N-ch open-drain general-purpose I/O when not used as an LCD driving power supply. 59 to 62 P43/COM3 to P40/COM0 F LCD common output pins These pins can be used as an N-ch open-drain general-purpose I/O when not used as an LCD common output. 63 to 70 P50/SEG0 to P57/SEG7 F LCD segment output pins These pins can be used as an N-ch open-drain general-purpose I/O when not used as an LCD segment output. 71 to 78 P60/SEG8 to P67/SEG15 F LCD segment output pins These pins can be used as an N-ch open-drain general-purpose I/O when not used as an LCD segment output. 79, 80 P70/SEG16, P71/SEG17 F LCD segment output pins These pins can be used as an N-ch open-drain general-purpose I/O when not used as an LCD segment output. 1 to 6 P72/SEG18 to P77/SEG23 F LCD segment output pins These pins can be used as an N-ch open-drain general-purpose I/O when not used as an LCD segment output. 7 to 11 P80/SEG24 to P83/SEG27 F LCD segment output pins These pins can be used as an N-ch open-drain general-purpose I/O when not used as an LCD segment output. 52 AVSS A/D converter power supply (GND) pin 53 AVR A/D converter reference power supply pin 54 AVCC A/D converter power supply pin 55 VCC Power supply pin 56 V3 LCD driving power supply pin 15 VSS Power supply (GND) pin |
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