ML9092-02 datasheet(14/66 Pages) LAPIS

Part #	ML9092-02

Description	LCD Driver with Key Scanner

Download	66 Pages

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Manufacturer	LAPIS [LAPIS Semiconductor Co., Ltd.]

Direct Link	http://www.lapis-semi.com/

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14 / 66 page

FEDL9092-01

LAPIS Semiconductor

ML9092-01/02/03/04

14/66

ML9092-04

Function

Symbol

Type

Description

63

CS

I

Chip select signal input pin

64

CP

I

Shift clock signal input pin. This pin is

connected to the Schmitt circuit internally.

65

DI/O

I/O

Serial data signal I/O pin. This pin is

connected to the Schmitt circuit internally.

CPU interface

66

KREQ

O

Key scan read and rotary encoder read

READY signal output pin.

74

OSC1

I

Oscillation

75

OSC2

O

Connect external resistors with this pin.

This pin is connected to the Schmitt circuit

internally.

If using an external clock, input it from the

OSC1 pin and leave the OSC2 pin open.

67

RESET

I

Reset input. Initial settings can be

established by applying a “L” level to this

pin. This pin is connected to the Schmitt

circuit internally.

Control signal

76

TEST

I

Test input pin. This pin is connected to the

VSS pin.

62–58

C0–C4

I

Input pins that detect status of key

switches. These pins are connected to the

Schmitt circuit internally.

57–53

R0–R4

O

Key switch scan signal output pins

Switch signal

51, 52

A, B

I

Rotary encoder signal input pins.

These pins are connected to the Schmitt

circuit internally.

Port output

77

80–78

PA0

PB0–PB2

O

Port A output pin

Port B output pins

50–1,

100–91

SEG1–SEG60

O

LCD segment driver output pins

LCD driver output

90–81

COM1–COM10

O

LCD common driver output pins

73

VDD

—

Logic power supply pin

68

VSS

—

GND pin

72

VHIN

—

High-voltage power supply pin

71, 69

V0, V2

—

LCD bias pins

Power supply

70

NC

—

Should be left open.

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ML9092-02 Datasheet(PDF) 14 Page - LAPIS Semiconductor Co., Ltd.

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