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LC866548 Datasheet(PDF) 7 Page - Sanyo Semicon Device |
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LC866548 Datasheet(HTML) 7 Page - Sanyo Semicon Device |
7 / 21 page LC866548/40/32/28/24A No.6700-7/21 LC866548A/40A/32A/28A/24A Pin Description Pin Name I/O Function Description Option VSS1, 2 Power pin (-) *1 VDD1,2,3,4 Power pin (+) *1 VP Power pin (+) for the VFD output pull-down resist Port 0 P00 - P07 I/O •8-bit input/output port Input/output in nibble units •Input for port 0 interrupt •Input for HOLD release •15V withstand at N-channel open drain output •Pull-up resistor : Provided/Not provided (each nibble) •Output form : CMOS/N-channel open drain (each bit) Port 1 •8-bit Input/output port Input/output can be specified in bit unit. •Other pin functions P10 P11 P12 P13 P14 P15 P16 P17 SIO0 data output SIO0 data input/bus input/output SIO0 clock input/output SIO1 data output SIO1 data input/bus input/output SIO1 clock input/output Buzzer output Timer1 output (PWM0 output) •Output form : CMOS/N-channel open drain (each bit) P10 - P17 I/O Port 3 P30 - P37 I/O •8-bit input/output port Input/output in bit unit •15V withstand at N-channel open drain output •Output form : CMOS/N-channel open drain (each bit) Port 7 •4-bit input/output port Input/output in bit unit •2-bit input port •Other pin function P70 P71 P72 P73 P74 P75 INT0 input/HOLD release /Nch-Tr. output for watchdog timer INT1 input/HOLD release input INT2 input/timer 0 event input INT3 input with noise filter/timer 0 event input Input pin XT1 for 32.768kHz crystal resonator oscillation Output pin XT2 for 32.768kHz crystal resonator oscillation •Interrupt received form, vector address rising falling rising/ falling H level L level Vector P70 - P73 P74 - P75 I/O I INT0 INT1 INT2 INT3 enable enable enable enable enable enable enable enable disable disable enable enable enable enable disable disable enable enable disable disable 03H 0BH 13H 1BH Port 8 P80 - P83 P84 - P87 I I/O •4-bit input/output port Input/output in bit unit •4-bit input port •Other function AD input port (8 port pins) S0/T0 to S6/T6 O Output for VFD display controller segment/timing in common Pull-down resistor : Provided/Not provided (each bit) (continue) |
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