LC74770M Просмотр технического описания (PDF) - SANYO -> Panasonic

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Компоненты Описание

производитель

LC74770M

On-Screen Display Controller LSI

SANYO -> Panasonic 

LC74770M

Second byte

DA0 to DA7 Register name

State

Register content

Function

7

—

0 Second byte identification bit

6

—

0

5

—

0

0

4

H4

1

0

3

H3

1

0

2

H2

Display memory address (0 to 17 hexadecimal)

1

0

1

H1

1

0

0

H0

1

Note: All registers are set to 0 when the LC74770M is reset by the RST pin.

2 COMMAND 1 (Display character data write setup command)

First byte

DA0 to DA7

7

6

5

4

3

2

1

0

Register name

—

—

—

—

—

—

—

—

State

1

0

0

1

0

0

0

0

Register content

Function

Command 1 identification code

Sets up display character data write.

Second byte

DA0 to DA7 Register name

State

Register content

Function

0 Character attribute off

7

at

1 Character attribute on

0

6

c6

1

0

5

c5

1

0

4

c4

1

0

3

c3

Character code (00 to 7F hexadecimal)

1

0

2

c2

1

0

1

c1

1

0

0

c0

1

Note: All registers are set to 0 when the LC74770M is reset by the RST pin.

Note

Note

When this command is input, the

LC74770M locks into the display

character data write mode until the CS

pin goes high.

Note

No. 4248-6/11

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