Pixelmode, Regi – Cirrus Logic EP93xx User Manual

Page 239

Advertising
background image

DS785UM1

7-57

Copyright 2007 Cirrus Logic

Raster Engine With Analog/LCD Integrated Timing and Interface

EP93xx User’s Guide

7

7

7

This field should be written with a value that specifies the
number of words that the FIFO empties before the FIFO
requests that it be refilled. Values greater than 16 should
be used with extreme caution as they can cause the
Raster Engine to underflow, causing video jitter or other
visual defects.

PixelMode

Address: 0x8003_0054

Default: 0x0000_0000

Definition: Pixel Mode register

Bit Descriptions:

RSVD:

Reserved - Unknown during read

0:

Must be written as ‘0’

TRBSW:

Two and Two-Thirds Red/Blue Swap - Read/Write

Writing a Two and two-thirds Red/Blue Swap value to this
bit selects the ordering of Red and Blue pixels for data
shifted displays:

0 - Normal: Blue is the low order bits followed by green
and red

1 - Reverse: Red is low order bits followed by green and
blue

DSCAN:

Dual Scan - Read/Write

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

RSVD

0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

TRBSW

DSCAN

C

M

S

P

Advertising