LC7472 查看數據表（PDF） - SANYO -> Panasonic

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LC7472

On-Screen Video Display Controller for NTSC or PAL-M

SANYO -> Panasonic 

LC7472M

COMMAND3: second byte

DA0 to

DA7

0

1

2

3

4

5

6

7

Register name

HP0

HP1

HP2

HP3

HP4

HP5

Status

0

1

0

1

0

1

0

1

0

1

0

1

0

0

Register Contents

Function

The initial horizontal coordinate position is given by

where TC is the OSCIN and OSCOUT operation mode oscillation

period

Second byte identification bit

Note

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

Remarks

The initial horizontal coordinate

position is set in 6 bits, HP0 to

HP5, where the lsb, HP0,

corresponds to 2TC

COMMAND4: Display Control Setting Command

COMMAND4: first byte

DA0 to

DA7

0

1

2

3

4

5

6

7

Register name

SYSRST

OSCSTP

CB

TSTMOD

Status

0

1

0

1

0

1

0

1

0

0

1

1

Register Contents

Function

Resets all registers and turns the display OFF when HIGH

Crystal and LC oscillator circuitry enable when LOW

Color bar strobe signal is output when LOW

Test operation mode when HIGH

COMMAND4 identification code

Remarks

A system reset also occurs when

CS goes LOW

External synchronization is

effective only when the character

display is OFF

When BCL is HIGH only

Test mode should not be selected

during normal operation

COMMAND4: second byte

DA0 to

DA7

0

1

Register name

DSPON

RV

Status

0

1

0

1

Register Contents

Function

Character display ON when HIGH

Inverse characters ON when HIGH

0

2

BK0

Blinking ON when HIGH

1

0

Blinking period 0.5 s

3

BK1

1

Blinking period 1.0 s

0

Border OFF

4

EG

1

Border ON

0

Interlaced scanning, 262.5 H/field

5

NON

1

Non-interlaced scanning, 263 H/field

6

0

7

0

Second byte identification bit

Note

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

Remarks

When blinking inverse characters,

characters alternate between

normal and inverse

Selects blinking period

No.4246–8/11

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