UPD16680 查看數據表（PDF） - NEC => Renesas Technology

零件编号

产品描述 (功能)

比赛名单

UPD16680

1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM

NEC => Renesas Technology 

µPD16680

3. PIN DESCRIPTIONS

3.1 Power System Pins

Pin Symbol

Pin Name

Pin No.

I/O

Function Description

VDD

Logic and booster power 22, 23,

- Power supply pin for logic and booster circuit.

supply pin

48 to 50,

73 to 75,

82, 96

VSS

Logic and driver ground

51 to 53

- Ground pin for logic and driver circuit.

pin

VLCD

Driver power supply pin

45 to 47

- Driver power supply pin. Output pin of internal booster circuit.

Please connect with a 1 µF booster capacitor to ground.

When not using the internal booster circuit, the driver power

5

VLC1 to VLC5

Driver reference power

supply

25 to 27,

29 to 31,

can be turned on directly.

- Reference power supply pin for LCD drive.

When the internal bias is selected, be sure to leave it open.

33 to 35,

When display contrast is bad, connect a capacitor between

37 to 39,

these pins and ground.

41 to 43

VLCBS1 to

VLCBS3

C1+, C1–

C2+, C2–

C3+, C3–

Bias level select pin

4, 5, 7,

8, 10, 11

Capacitor connection pins 55 to 72

- When the internal bias is selected, Connecting these pins

outside the IC, the bias level can be changed.

- Capacitor connection pins for booster circuit. When using

internal booster circuit, connect a 1µF capacitor between

these pins.

6

Data Sheet S12694EJ2V0DS00

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