M306V5ME-XXXSP Datasheet, PDF(175/263 Page) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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M306V5ME-XXXSP Datasheet, PDF (175/263 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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MITSUBISHI MICROCOMPUTERS

M306V5ME-XXXSP

M306V5EESP

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

2.16.2 Display Position

The display positions of characters are specified by a block. There are 16 blocks, blocks 1 to 16. Up to 32

characters (32-character mode)/42 characters (42-character mode)/ can be displayed in each block (re-

fer to 2.16.6 Memory for OSD).

The display position of each block can be set in both horizontal and vertical directions by software.

The display position in the horizontal direction can be selected for all blocks in common from 256-step

display positions in units of 4 TOSC (TOSC = OSD oscillation cycle).

The display position in the vertical direction for each block can be selected from 1024-step display posi-

tions in units of 1 TH ( TH = HSYNC cycle).

Blocks are displayed in conformance with the following rules:

â¢ When the display position is overlapped with another block in the dame layer (Figure 2.16.8 (b)), a lower

block number (1 to 16) is displayed on the front.

â¢ When another block display position appears while one block is displayed in the dame layer (Figure

2.16.8 (c)), the block with a larger set value as the vertical display start position is displayed. However,

do not display block with the dot size of 2TC â 2H or 3TC â 3H during display period (â½) of another block.

â½ In the case of OSDS/P mode block: 20 dots in vertical from the vertical display start position.

â½ In the case of OSDL mode block: 32 dots in vertical from the vertical display start position.

â½ In the case of CC or CDOSD mode block: 26 dots in vertical from the vertical display start position.

HP

VP1

Block 1

VP2

Block 2

VP3

Block 3

(a) Example when each block is separated

HP

VP1 = VP2

(b) Example when block 2 overlaps with block 1

HP

Block 1

(Block 2 is not displayed)

VP1

VP2

Block 1

Block 2

(c) Example when block 2 overlaps in process of block 1

Note: VPi (i = 1 to 16) indicates the vertical display start position of display block i.

Figure 2.16.8 Display position

174

Rev. 1.0

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