M35052 Просмотр технического описания (PDF) - Mitsumi

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M35052

SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

Mitsumi 

MITSUBISHI MICROCOMPUTERS

M35052-XXXSP/FP

SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

Display control register

(1) Address F016

DA

Register

0~D

0

PTC0

1

PTC1

2

PTD0

3

PTD1

4

SEPV0

5

SEPV1

6

SYSEP0

7

SYSEP1

8

DECB0

9

DECB1

A

TEST10

B

TEST11

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

____

C

W/R

1

Contents

Function

Remarks

P0 output (port 0)

Port output control

BLNK1 output

P1 output (port 1)

CO1 output

Refer to supplemental explanation (5).

It is negative polarity at P0 output “L”, BLINK1 output. Control the port data

It is positive polarity at P0 output “H”, BLINK1 output.

It is negative polarity at P01 output “L”, CO1 output.

It is positive polarity at P01 output “H”, CO1 output. Refer to supplemental explanation (5).

It should be fixed to “0”.

Can not be used.

Specifies the vertical synchronous

separation criterion

It should be fixed to “0”.

Can not be used.

Refer to supplemental explanation (1).

SYSEP1

0

0

1

1

SYSEP0

0

1

0

1

Bias potential

Can not be used.

Can not be used.

1.75µ

Can not be used.

Specifies the sync-bias potential

DECB1

0

0

1

1

DECB0

0

1

0

1

Bias potential

2.35µ

Can not be used.

Can not be used.

Can not be used.

Specifies the decoding bias

potential

Can not be used.

It should be fixed to “1”.

It should be fixed to “0”.

Can not be used.

Input data from SIN pin

Control data I/O

Output data from SIN pin (Note 2)

Refer to decode data output

timing.

D

TEST25

0

It should be fixed to “0”.

1

Can not be used.

__

Notes 1. The mark around the status value means the reset status by the “L” level is input to AC pin.

__

___

Notes 2. Not necessary to release after setting W/R to “1”. Turn CS to “H” to switch over to input mode.

7

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