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LC877917A Datasheet(PDF) 11 Page - Sanyo Semicon Device |
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LC877917A Datasheet(HTML) 11 Page - Sanyo Semicon Device |
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11 / 29 page  LC877917A No.A1840-11/29 Continued from preceding page. Pin name I/O Function description Option S00/LPA0 to S07/LPA7 I/O • Segment output for LCD • Can be used as general purpose input/output port (LPA) No S08/LPB0 to S15/LPB7 I/O • Segment output for LCD • Can be used as general purpose input/output port (LPB) No S16/LPC0 to S23/LPC7 I/O • Segment output for LCD • Can be used as general purpose input/output port (LPC) No COM0/LPL0 to COM3/LPL3 I/O • Common output for LCD • Can be used as general purpose input/output port (LPL) No V1 to V3 I/O • LCD output bias power supply No RES I • Reset terminal No XT1 I/O • Input for 32.768kHz crystal oscillation • When not in use, connect to VDD1 No XT2 I/O • Output for 32.768kHz crystal oscillation • When not in use, set to oscillation mode and leave open No CF1 I • Input terminal for ceramic oscillator • When not in use, connect to VDD1 No CF2 O • Output terminal for ceramic oscillator • When not in use, leave open No Port Configuration Port form and pull-up resistor options are shown in the following table. Port status can be read even when port is set to output mode. Terminal Option applies to: Options Output Form Pull-up resistor 1 CMOS Programmable P00 to P07 each bit 2 Nch-open drain Programmable 1 CMOS Programmable P10/S24 to P17/S31 each bit 2 Nch-open drain Programmable 1 CMOS Programmable P30 - 2 Nch-open drain Programmable P70 - None Nch-open drain Programmable P71 to P73 - None CMOS Programmable CMOS P-ch Open Drain S00(LPA0) to S23(LPC7) - None N-ch Open Drain None CMOS P-ch Open Drain COM0(LPL0) to COM3(LPL3) - None N-ch Open Drain None XT1 - None Input only None 32.768kHz crystal oscillator output XT2 - None Nch-open drain when selected as normal port None |
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Similar Description - LC877917A |
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