M35054-XXXFP/M35055-XXXFP

SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

MITSUBISHI MICROCOMPUTERS

15

Status

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

Register

BLK0

BLK1

EX

SCOR

STOPIN

STOP1

DSPON

RAMERS

TEST47

TEST48

TEST49

TEST50

TEST51

LEVEL1

Contents

DA

0~D

0

1

2

3

4

5

6

7

8

9

A

B

C

D

Function

External synchronization

Internal synchronization

Superimpose monotone display

Superimpose coloring display (only NTSC)

Can not be used.

Oscillation VCO for display

Stop oscillation VCO for display

Display OFF

Display ON

RAM not erased

RAM erased

Can not be used.

It should be fixed to “1”.

Can not be used.

It should be fixed to “1”.

Can not be used.

It should be fixed to “1”.

Can not be used.

It should be fixed to “1”.

Can not be used.

It should be fixed to “1”.

Internal bias OFF

Internal bias ON

DSPn= “0”

Matrix-outline size

Character size

Border size

Matrix-outline size

BLK1

0

0

1

1

BLK0

0

1

0

1

DSPn= “1”

Matrix-outline

border size

Remarks

Display mode

(BLNK output) variable

Synchronizing signal switching

(Note1)

“1” setting is forbidden at internal

synchronous or PAL, M-PAL

mode displaying.

OSCIN oscillation control

Control oscillation VCO for

display

This register does not exist

(Note 3).

Notes 1. In dealing with the internal synchronization, cut off external video signals outside the IC. The leakage of external input video signals

can be avoided.

composite video signals (input to the CVIN pin).

and reversed character bit turns to “0”.

Border size

Matrix-outline size

Character size

Generates bias potential for syn-

chronous separation.