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Palette buffer format -19 – Intel STRONGARM SA-1100 User Manual

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SA-1100 Developer’s Manual

11-19

Peripheral Control Module

Figure 11-3. Palette Buffer Format

.

Individual Palette Entry

Bit

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Color

Unused

PBS*

Red (R)

Green (G)

Blue (B)

Bit

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

Mono

Unused

PBS*

Unused

Monochrome (M)

*Note: Pixel bit size (PBS) is contained only within the first palette entry (palette entry 0).

16- or 256-Entry Palette Buffer

Bit

31

16

15

0

Base + 0x0

Palette entry 1

Palette entry 0

Base + 0x4

Palette entry 3

Palette entry 2

.

.

Base + 0x1C

Palette entry 15

Palette entry 14

Base + 0x20

Palette entry 17

Palette entry 16

Note: Entries 16 through 254 do not

exist for 4-, 12- and 16-bit/pixel modes.

.

.

.

Base +
0x1FC

Palette entry 255

Palette entry 254

Base +
0x200

Start of Encoded Pixel Data

Little Endian Palette Entry Ordering

Bit

31

16

15

0

Base + 0x0

Palette Entry 0

Palette Entry 1

Base + 0x4

Palette Entry 2

Palette Entry 3

.

.

Big Endian Palette Entry Ordering