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LC868116 Datasheet(PDF) 9 Page - Sanyo Semicon Device |
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LC868116 Datasheet(HTML) 9 Page - Sanyo Semicon Device |
9 / 28 page LC868116/12/08A No.6724-9/28 Pin Description Name No. I/O Function description Option VSS 75,133 - Power terminal (-) - VDD 1,103 - Power terminal (+) - VLCD 71 - Power terminal (+) for LCD driver *2 - V1 to V5 66-70 - Voltage supply terminals to LCD drivers *2 - VOUT2 72 - Output terminals for doubler VOUT2 ≅ 2X(VDD-VSS) - CUP1,2 74,73 - Capacitor connecting terminals for doubler, tripler - Port0 P00 to P07 112-119 I/O •8-bit input/output port •Input/output can be specified in 4-bit •External memory mode 1. EXT resistor bit 2=0 Address output of lower 8-bit, input/output of data 2. EXT resistor bit 2=1 •Input/output of data •Input for key interrupt (P30INT=0) *1 •Pull-up resistor : Provided/Not provided •Output form : CMOS/N-ch open drain •8-bit input/output port •Input/output can be specified in a bit •Another 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 Timer 1 output (PWM output) Port1 P10 to P17 87-94 I/O •Output form : CMOS/N-ch open drain Port2 P20 to P27 120-127 I/O •8-bit input/output port •Input/output can be specified in a bit •External memory mode Address output of upper 8-bit •Output form : CMOS/N-ch open drain Port3 P30 to P37 104-111 I/O •8-bit input/output port •Input/output in a bit •External memory mode 1. EXT resistor bit 2=0 : input/output port 2. EXT resistor bit 2=1 : address output of lower 8-bit for external memory •Input for key interrupt (P30INT=L) *1 •Pull-up resistor : Provided/Not provided •Output form : CMOS/N-ch open drain *1 P30INT : Bit 0 of Port 3 interrupt control register. *2 The structure of the LCD power supply is shown below. VLCD V5 V4 V3 V2 V1 VSS Resistor for LCD contrast adjustment Note : If the microcontroller is operated at 3V, the voltage doubler output (VOUT2) should be connected to the LCD power terminal (VLCD). (or the output of an external voltage doubler should be connected to VLCD) |
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