M306V2EEFS datasheet(180/271 Pages) RENESAS

180 / 271 page

Rev.1.40

Oct 06, 2004 page 180 of 269

M306V2ME-XXXFP, M306V2EEFP

Figure 2.16.2 Block diagram of OSD circuit

OSD RAM (See note 1)

19 bits ✕ 32 characters ✕ 16 lines

Data bus

OSD ROM (character font) (See note 2)

16 dots ✕ 20 dots ✕ 254 characters

24 dots ✕ 32 dots ✕ 254 characters

Output circuit

OUT1

OUT2

Control register for OSD

SPRITE OSD control register

OSD control register 1

OSD control register 2

Horizontal position register

Clock control register

I/O polarity control register

OSD control register 3

Raster color register

Top border control register

Bottom border control register

Block control register i

Vertical position register i

Color palette register i

OSD reserved register i

OSD control register 4

Left border control register

Right border control register

SPRITE vertical position register i

SPRITE horizontal position register

(address 020116)

(address 020216)

(address 020316)

(address 020416)

(address 020516)

(address 020616)

(address 020716)

(addresses 020916, 020816)

(addresses 020D16, 020C16)

(addresses 020F16, 020E16)

(addresses 021016 to 021F16)

(addresses 022016 to 023F16)

(addresses 024016 to 025B16)

(addresses 025D16 to 027A16,

027B16 to 027C16)

(address 025F16)

(addresses 027116, 027016)

(addresses 027316, 027216)

(addresses 027416 to 027716)

(addresses 027916, 027816)

Display

oscillation

circuit

OSC1 OSC2

HSYNC VSYNC

Data slicer clock

Clock for OSD

OSD control circuit

OSD ROM (color dot font)

16 dots ✕ 26 dots ✕ 4 planes ✕

94 characters

OSD RAM (SPRITE)

32 dots ✕ 20 dots ✕ 4 planes ✕ 2 lines

Shift register

Notes 1: In 42 character-mode, 19 bits ✕ 42 characters ✕ 16 lines

2: In OSDL disable mode, 16 dots ✕ 20 dots ✕ 762 characters.

Shift register

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