HD407L4818 Ver la hoja de datos (PDF) - Renesas Electronics

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HD407L4818

4-Bit Single-Chip Microcomputer

Renesas Electronics 

HD404818 Series

LCD Driver/Controller

V1, V2, V3: Power supply pins for the LCD driver. Since the LCD driving resistors are provided internally,

no lines should be connected to these pins. The voltage on each pin is VCC ≥ V1 ≥ V2 ≥ V3 ≥ GND. See the

Liquid Crystal Display section for details.

COM1 to COM4: Common signal output pins for the LCD display. See the Liquid Crystal Display section

for details.

SEG1 to SEG32: Segment signals output pins for the LCD display. See the Liquid Crystal Display section

for details.

Voltage Comparator

COMP0, COMP1, VCref: Analog input pins for the voltage comparator. VCref is used as a reference voltage

pin to input the threshold voltage of the analog input pin.

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