Renesas PCA7429G02 Informations techniques télécharger pdf (Page 78)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

M37272M6/M8–XXXSP/FP, M37272MA–XXXSP

M37272E8SP/FP, M37272EFSP

MITSUBISHI MICROCOMPUTERS

Rev. 1.3

Table 8.11.3 Contents of OSD RAM

Block

Character Code Specification

Color Code Specification

31st character

3rd character

30th character

2nd character

32nd character

31st character

3rd character

30th character

1st character

2nd character

32nd character

081E

080216

081D

080116

081F16

085E16

084216

085D

084016

084116

085F16

083E16

082216

083D

082116

083F16

087E16

086216

087D

086016

086116

087F16

Block 1

Display Position (from left)

Block 2

1st character

0800

16 082016

(2) OSD RAM

The RAM for OSD is allocated at addresses 080016 to 087F16, and

is divided into a display character code specification part, color code

1 specification part, and color code 2 specification part for each block.

Table 8.11.3 shows the contents of the OSD RAM.

For example, to display 1 character position (the left edge) in block

1, write the character code in address 0800

16, write the color code 1

at 0820

16.

The structure of the OSD RAM is shown in Figure 8.11.16.

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 144 145

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