M306V2EEFS datasheet(184/271 Pages) RENESAS

184 / 271 page

Rev.1.40

Oct 06, 2004 page 184 of 269

M306V2ME-XXXFP, M306V2EEFP

Figure 2.16.6 Display example of triple layer OSD

Figure 2.16.7 OSD control register 2

Layer 1

Layer 2

CC, OSDS/L/P, CDOSD

CC, OSDS/L/P

CDOSD

CC, OSDP, CDOSD

OSDS/L

CC, OSDP

CDOSD

OSDS/L

b6 b5 b4 b3 b2 b1 b0

Bit name

Function

OSD control register 2

R, G, B signal output

selection bit

Window/blank

selection bit 1

(horizontal)

Solid space output bit 0: OUT1 output

1: OUT2 output

0: Digital output

1: Analog output (8 gradations)

Horizontal

window/blank control

bit

0: OFF

1: ON

0: Horizontal blank function

1: Horizontal window function

Window/blank

selection bit 2

(vertical)

0: Vertical blank function

1: Vertical window function

OSD interrupt

request selection bit

0: At completion of layer 1 block display

1: At completion of layer 2 block display

Display layer

selection bits

Bit symbol

OC20

OC22

OC23

OC24

OC25

OC26

OC27

SymbolAddress

When reset

OC2

020316

0016

OC21

Display example of layer 1 = “HELLO,” layer 2 = “CH5”

CH5

HELLO

Logical sum (OR) of

layer 1’s color and

layer 2’s color (See note)

OC17 = “0,” OC16 = “0”

Layer 1’s color has priority

OC17 = “0”, OC16 = “1”

CH5

HELLO

Layer 2’s color has priority

OC17 = “1,” OC16 = “0”

HELLO

CH5

Note: The logical sum (OR) of layer mixing is not OR of the color palette registers’ contents (color), but

that of color pallet registers’ numbers (i).

Example) When the logical sum (OR) is performed on the color palettes 1 and 4;

the number 1 (00012) and number 4 (01002) are ORed and it results in the number 5

(01012). That is, the contents (color) of color palette register 5 is output. The color of

color palette register 5 is output in the ORed part, regardless of colors of color palettes

registers 1 and 4.

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