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LC877256A Datasheet(PDF) 8 Page - Sanyo Semicon Device |
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LC877256A Datasheet(HTML) 8 Page - Sanyo Semicon Device |
8 / 24 page LC877264A/56A/48A No.6719-8/24 Pin Assignment Pin name I/O Function Option VSS1 VSS2 VSS3 - • Power supply (-) No VDD1 VDD2 VDD3 - • Power supply (+) No PORT0 P00 to P07 I/O • 8bit input/output port • Data direction programmable in nibble units • Use of pull-up resistor can be specified in nibble units • Input for HOLD release • Input for port 0 interrupt Yes PORT1 P10 to P17 I/O • 8bit input/output port • Data direction programmable for each bit • Use of pull-up resistor can be specified for each bit individually • Other pin functions P10 SIO0 data output P11 SIO0 data input or bus input/output P12 SIO0 clock input/output P13 SIO1 data output P14 SIO1 data input or bus input/output P15 SIO1 clock input/output P16: Timer 1 PWML output P17: Timer 1 PWMH output/Buzzer output Yes PORT3 P30 to P35 I/O • 6bit Input/output port • Data direction can be specified for each bit • Use of pull-up resistor can be specified for each bit individually Yes • 4bit Input/output port • Data direction can be specified for each bit • Use of pull-up resistor can be specified for each bit individually • Other functions P70: INT0 input/HOLD release input/Timer0L capture input/output for watchdog timer P71: INT1 input/HOLD release input/Timer0H capture input P72: INT2 input/HOLD release input/timer 0 event input/Timer0L capture input P73: INT3 input(noise rejection filter attached)/timer 0 event input/Timer0H capture input AD input port: AN8(P70), AN9(P71) • Interrupt detection selection Rising Falling Rising and falling H level L level INT0 INT1 INT2 INT3 Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes No No Yes Yes No No PORT7 P70 to P73 I/O No |
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