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HD404612FS Datasheet(PDF) 8 Page - Renesas Technology Corp |
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HD404612FS Datasheet(HTML) 8 Page - Renesas Technology Corp |
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8 / 91 page  HD404618 Series 6 Interrupts INT 0, INT1: Input external interrupts to the MCU. INT1 is also used as an external event input for timer B. INT 0 and INT1 are multiplexed with R32 and R33, respectively. Serial Communications Interface SCK: Input/output serial clock pin multiplexed with R0 0. SI: Serial receive data input pin multiplexed with R0 1. SO: Serial transmit data output pin multiplexed with R0 2. Timers TIMO: Outputs a variable-duty square wave. It is multiplexed with R3 1. LCD Driver/Controller V 1, V2, V3: Power supply pins for the LCD driver. Internal resistors provide the voltage level for each pin. The voltage condition is V CC ≥ V1 ≥ V2 ≥ V3 ≥ GND. COM1–COM4: Common signal output pins for LCD display. SEG1–SEG32: Segment signal output pins for LCD display. DTMF Generator TONER, TONEC, VT ref: DTMF signal pins. TONER and TONEC transmit signals for row and column, respectively. VT ref is a reference voltage for DTMF signals. Apply condition VCC ≥ VTref ≥ GND to VTref. Voltage Comparator COMP0, COMP1, VC ref: COMP0 and COMP1 are analog inputs for the voltage comparator. VC ref is a reference voltage pin that inputs the threshold voltage of the analog input pin. |
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