No. 5159-10/17

LC74772V

First byte

First byte

Register content

DA0 to DA7

Register name

State

Function

Note

7

—

0

6

—

1

Command 5 identification code

5

—

0

4

—

1

3

DSP4

0

System 4 output off

Pin 10 (BLK4) and pin 11 (CHA4) output

1

System 4 output on

control

2

DSP3

0

System 3 output off

Pin 14 (BLK3) and pin 15 (CHA3) output

1

System 3 output on

control

0

System 2 output off

Pin 16 (BLK2) and pin 17 (CHA2) output

1

DSP2

control

1

System 2 output on

Invalid in RGB output mode.

0

System 1 (RGB) output off

Pin 18 (BLK1) and pin 19 (CHA1) output

0

DSP1

control

1

System 1 (RGB) output on

Functions as the RGB output control in

RGB output mode.

Register content

DA0 to DA7

Register name

State

Function

Note

7

—

0

6

—

1

Command 6 identification code

5

—

1

4

—

0

0

Sets the system 3 output conditions according to the command

3

DSPF

described below.

SL34

1

Sets the system 4 output conditions according to the command

described below.

0

2

DSP

RSG

1

0

1

DSP

GSG

1

0

0

DSP

BSG

1

Note: The following registers are set to

1 during a reset.

DSPRSG

DSPGSG

DSPBSG

As a result, the “All of R, G, B are

output” state is selected during a

reset.

Only system 4 is valid in 4-system

output mode. System 4 cannot be set

when the general-purpose output port

usage is specified.

DSPRSG DSPGSG DSPBSG

Output selection

0

0

0

Signals other than R, G,

B are output.

0

0

1

B is output.

0

1

0

G is output.

0

1

1

G and B are output.

1

0

0

R is output.

1

0

1

R and B are output.

1

1

0

R and G are output.

1

1

1

All of R, G, B are output.

Note: This register is set to 0 on a reset (either by the RST pin or by a command reset).