M35053-XXXSP/FP

SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

MITSUBISHI MICROCOMPUTERS

22

Encode functions (effective for NTSC only)

(1) Setting encode data

Setting data code (000 – 111) in EC0 through EC2 (bits DA8 through

sample setting and data code are shown below.

Fig. 12 An example of data code setting

L

EC2

0

0

0

0

1

1

1

1

EC1

0

0

1

1

0

0

1

1

EC0

0

1

0

1

0

1

0

1

L

LH

HL

HH

LH LH

LH L

Data

The oscillation frequency when

encoding: 3 MHzV

1 clock cycle: 0.333

1 character (12 dots): 3.996

2 bits/1 character: 3.996

1 bit: 1.998







18 dots

An example of setting













frequency)

A suite of data code (000 – 111) for encoding to be set in EC2 through EC0 are assigned as given below.

fixed

2 bit / a character

Set by every 2 bits (one character) with EC2 to EC0.

16 bit data

1H

5 characters

8 characters

EC2 ~ EC0=

(address) (Note)

(1)

(2)

(3)

001

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(0)

100 100 101

(4)

(Set one code of 000 to 011)

100

LSB

MSB

No encoding

Note: Refer to the next page about address setting.

Can not be used

12 dots