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LC866432 Datasheet(PDF) 8 Page - Sanyo Semicon Device |
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LC866432 Datasheet(HTML) 8 Page - Sanyo Semicon Device |
8 / 22 page LC86E6449 No.6746-8/22 LC86E6449 Pin description Pin name I/O Function description Option EPROM mode VSS1,2 - Power pin (-) - - VDD1,2 - Power pin (+) *4 Refer to Notes - - VP - Power pin (-) for the VFD output pull-down resist - - PORT0 P00 to P07 I/O •8-bit input/output port •Input for port 0 interrupt •Input/output in nibble units •Input for HOLD release •15V withstand at N-channel open drain output •Pull-up resistor : Provided/Not provided •Output form : CMOS/N-channel open drain - PORT1 P10 to P17 I/O •8-bit input/output port •Input/output can be specified in a bit unit •Other pin functions P10 SIO0 data output P11 SIO0 data input/bus input/output P12 SIO0 clock input/output P13 SIO1 data output P14 SIO1 data input/bus input/output P15 SIO1 clock input/output P16 Buzzer output P17 Timer 1 output (PWM0 output) •Output form : CMOS/N-channel open drain Data line D0 to D7 PORT3 P30 to P33 I/O •4-bit input/output port •Input/output can be specified •15V withstand at N-channel open drain output •Output form : CMOS/N-channel open drain - •6-bit input port •Other functions P70 : INT0 input/HOLD release input/ N-ch Tr. output for watchdog timer P71 : INT1 input/HOLD release input P72 : INT2 input/timer 0 event input P73 : INT3 input with noise rejection filter/timer 0 event input P74 : XT1 terminal for 32.768kHz crystal oscillation P75 : XT2 terminal for 32.768kHz crystal oscillation •Interrupt received forms, the vector addresses Pull-up resistor : Provided/Not provided (P70,71,72,73) * P74 ,P75 don’t have pull-up resistor option. rising falling rising & falling high level low level vector INT0 enable enable disable enable enable 03H INT1 enable enable disable enable enable 0BH INT2 enable enable enable disable disable 13H PORT7 P70 P71 to P75 I/O I INT3 enable enable enable disable disable 1BH EPROM control signals DASEC (*1) OE (*2) ‚bE (*3) Continue. CE |
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