LC74730M Просмотр технического описания (PDF) - SANYO -> Panasonic

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производитель

LC74730M

On-Screen Display Controller LSI

SANYO -> Panasonic 

LC74730M

| COMMAND 4 (Display control setup command)

First byte

DA0 to DA7

7

6

5

4

3

2

1

0

Register name

—

—

—

—

TSTMOD

CB

OSCSTP

SYSRST

State

1

1

0

0

0

1

0

1

0

1

0

1

Register content

Function

Command 4 identification code

Sets up the display control state.

Normal operating mode

Test mode

Output the color burst signal.

Stop color burst signal output.

Does not stop the crystal and LC oscillators.

Stops the crystal and LC oscillators.

Resets all registers and turns off display.

Second byte

DA0 to DA7

7

6

5

4

3

Register name

—

—

NON

EG

BK1

State

0

0

0

1

0

1

0

1

Register content

Function

Second byte identification code

Interlace (262.5 H per field)

Non-interlaced (263 H per field)

Border off

Border on

Blinking period: about 0.5 s

Blinking period: about 1 s

0 Blinking off

2

BK0

1 Blinking on

0 Reverse video character display off

1

RV

1 Reverse video character display on

0 Character display off

0

DSPON

1 Character display on

Note: All these registers are set to 0 by a reset due to the RST pin.

Note

Must be set to 0.

Valid only when BCL is high.

Valid in external synchronization mode

when character display is off.

Reset occurs when the CS pin is low, and

the reset is cleared when CS goes high.

Note

Switches between interlaced and

non-interlaced display

Switches the blinking period

Blinking during reversed video character

display switches the character display

between normal display and reversed

video display.

No. 4247-9/14

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