LC74731W-9818-E View Datasheet(PDF) - ON Semiconductor

Part Name

Description

MFG CO.

LC74731W-9818-E

On-Screen Display Controller

ON Semiconductor 

LC74731W, LC74732W

COMMAND22 (Character size setting command)

• First byte

DA0 to 7

7

6

5

4

3

2

1

0

Register

—

—

—

—

—

—

—

SRM

State

1

0

1

0

1

0

0

0

1

Content

Function

Command 2 identification code

Horizontal display position setup and horizontal direction

character size settings

Extended command 2 identification code

Continuous mode: off

Continuous mode: on

Notes

Character size continuous mode specification

• Second byte

DA0 to 7 Register

State

Content

Function

7

—

0 Second byte identification bit

6

—

0

5

—

0

4

—

0

0

VS1 VS0 Character size

3

VS1

1

0

0

1×

0

0

1

2×

2

VS0

1

0

3×

1

1

1

4×

0

HS1 HS0 Character size

1

HS1

1

0

0

1×

0

0

1

2×

0

HS0

1

0

3×

1

1

1

4×

Note that all registers are set to 0 when these ICs are reset by the RST pin.

Notes

Vertical direction character size, in line units

Horizontal direction character size, in line units

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