PD16682_15 datasheet(9/58 Pages) RENESAS

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Data Sheet S13368EJ4V0DS

µµµµ PD16682

3. PIN DESCRIPTIONS

3.1 Power Supply System Pins

Pin Symbol

Pin Name

Pad No.

I/O

Function Description

VDD

Logic power supply pins

25 to 27

—

Power supply pins for logic. Apply the logic power supply voltage

from an external source.

VDD2

Booster circuit power

supply pins

28 to 31

—

Power supply pins for booster circuit. Apply the booster circuit

power supply voltage from an external source.

VSS

Logic/driver ground pins

35 to 37

—

Ground pins for logic and driver circuit. Connect these pins to an

external ground.

VLCD

Driver power supply pins

32 to 34

—

Power supply pins for driver. Output pins for internal booster

circuit.

Connect a 1-

µ F capacitor for boosting between these pins and

the GND pins.

If not using the internal booster circuit, a direct driver power

supply can be input.

VDD’

Power supply pins for fixed

mode pins

10,16,51,

52,74,80,

—

These power supply pins are used to set the mode pins as fixed.

VSS’

Ground pins for fixed

mode pins

7,13,50,

67,68,77,

—

These ground pins are used to set the mode pins as fixed.

VLC1 to VLC5

Reference power supply

pins for driver

57 to 66

—

These are reference power supply pins for the LCD driver.

Connect a smoothing capacitor if an internal bias has been

selected.

+, C1-

+, C2-

+, C3-

Capacitor connection pins

38 to 49

—

These are capacitor connection pins for the booster circuit.

Connect a 1-

µ F capacitor.

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