LC74761 View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC74761

CMOS IC On-Screen Display LSI

SANYO -> Panasonic 

LC74761, LC74761M

Second byte

DA0 to DA7 Register name

State

Register content

Function

7

—

0

Second byte identification code

0

Interlaced

6

INT/NON

1

Non-interlaced

5

BLK1

0

BLK0

1

BLK1

0

1

0

0

Blanking off

Character size blanking

4

BLK0

1

1

Frame size blanking Total area blanking

0

Flashing period about 0.5 s

3

BK1

1

Flashing period about 1 s

0

Highlight function

2

ATS

1

Flashing function

1

—

0

0

Character display off

0

DSPON

1

Character display on

Note: When the chip is reset by the RST pin, the register states (bits) are all cleared to 0.

Note

Switches between interlaced and

non-interlaced display.

Changes the blanking size.

Sets the flashing period.

Selects at2.

Turns character output on and off.

6 COMMAND5: Display Control Setting Command 2

First byte

DA0 to DA7

7

6

5

4

3

Register name

—

—

—

—

PH2

State

1

1

0

1

0

1

0

2

PH1

1

0

1

PH0

1

0

0

INT/EXT

1

Register content

Function

The command 5 identification code:

sets display control parameters.

PHASE 2 PHASE 1 PHASE 0

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

Background color

(phase)

NTSC

PAL

π/2

±π/2

In phase In phase

3 π/2

π/2

π

±π

3 π/4

±3 π/4

π/4

±π/4

7 π/4

π/4

5 π/4

3 π/4

External synchronization mode

Internal synchronization mode

Note

Sets the phase of the background color

for color burst.sz

Switches between internal and external

synchronization.

No. 4846-11/21

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