LC74721 Просмотр технического описания (PDF) - SANYO -> Panasonic

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Компоненты Описание

Список матч

LC74721

On-screen Video Display Controllers for NTSC or PAL-M

SANYO -> Panasonic 

LC74721, 74721M

COMMAND0: Display Memory Write Address Setting Command

COMMAND0: first byte

DA0 to

DA7

0

1

2

3

4

5

6

7

Register name

V0

V1

V2

V3

Status

0

1

0

1

0

1

0

1

0

0

0

1

Register Contents

Function

Display memory address 0 to 9H

COMMAND0 identification code

COMMAND0: second byte

DA0 to

DA7

Register name

Status

Register Contents

Function

0

0

H0

1

0

1

H1

1

2

H2

0

Display memory address 0 to 17H

1

0

3

H3

1

0

4

H4

1

5

0

6

0

7

0

Second byte identification bit

Note

On system reset with RST, the status of all registers is set to 0.

COMMAND1: Display Character Data Write Command

COMMAND1: first byte

DA0 to

DA7

0

1

2

3

4

5

6

7

Register name

Status

0

0

0

0

1

0

0

1

Register Contents

Function

COMMAND1 identification code

Remarks

Remarks

Remarks

After command is input, display

character data write mode is set

until CS is set HIGH

No.4359–6/12

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