Owner's manual

Table Of Contents
7-2 DS785UM1
Copyright 2007 Cirrus Logic
Raster Engine With Analog/LCD Integrated Timing and Interface
EP93xx User’s Guide
7
7
7
The Raster engine also supports several hardware blinking modes, and 8-bit addressed
lookup tables for grayscale or expanding color depth. The Raster also includes a video
stream signature generator for built in self-testing.
Examples for some of the possible output modes are shown in Table 7-1.
Table 7-1. Raster Engine Video Mode Output Examples
Display
Type
Horizontal
Resolution
x
Vertical
Resolution
Video
Clock
Freq.
(MHz)
Frame
Buffer
Storage
Format
Display
Data
Format
Pixels
Per
Shift
Clock
Pixel
Shift
Clock
Freq.
(MHz)
Vertical
Frame
Rate
(Hz)
Notes
VFD 128 x 32 2 4 bpp Monochrome 8 0.25 400
LCD 128 x 64 2 4 bpp Monochrome 4 0.5 230
Parallel
Command
Word
interface
LCD 256 x 128 2 4 bpp Monochrome 4 0.5 60 -
“QVGA” TFT
LCD
320 x 234 6.4 8 bpp Analog 1 6.4 80 -
QVGA STN
LCD
320 x 240 4 4-bit RGB 4-bit RGB 1 4 50 -
HVGA STN
LCD
640 x 240 8 4-bit RGB 4-bit RGB 1 8 50 -
“VGA” DC
Plasma
640 x 400 16 4 bpp Monochrome 4 4 60 -
VGA EL 640 x 480 24 4 or 8 bpp Grayscale 8 3 75 -
VGA STN
LCD
640 x 480 24 8 or 16 bpp 18-bit RGB 1 24 75 -
VGATFT
LCD
640 x 480 24
8, 16, or 24
bpp
18-bit RGB 1 24 75 -
VGA CRT 640 x 480 32
8, 16, or 24
bpp
Analog 1 NA 85
External
DAC
SVGA TFT
LCD
800 x 600 40
8, 16, or 24
bpp
18-bit RGB 1 40 80 -
SVGA CRT 800 x 600 50
8, 16, or 24
bpp
Analog 1 NA 85
External
DAC
XGA CRT 1024 x 768 75
8, 16,
or
24 bpp
Analog 1 NA 80
External
DAC
SXGA TFT
LCD
1280 x 1024 85
8, 16, or 24
bpp
18 or 24 RGB 1 85 60 24-bits