sed1355 ETC-unknow, sed1355 Datasheet - Page 145

• Manufacturer Part Number: sed1355
• Description: Sed1355 Embedded Ramdac Lcd/crt Controller
• Manufacturer: ETC-unknow

Epson Research and Development
Vancouver Design Center
13.4 Limitations
Hardware Functional Specification
Issue Date: 99/05/18
Panel Size
320
640
800
240
480
600
Single
Single
Single
Dual
Dual
Dual
Panel Type
Mono
Mono
Mono
Mono
Mono
Mono
Color
Color
Color
Color
Color
Color
Where KB = K bytes and MB = 1024K bytes
The following limitations apply to SwivelView:
• Only 8 bpp and 16 bpp modes are supported – 1/2/4 bpp modes are not supported.
• Hardware cursor and ink layer images are not rotated – software rotation must be used. Swivel-
• Split screen images appear side-by-side, i.e. the portrait display is split vertically.
• Pixel panning works vertically.
View must be turned off when the programmer is accessing the sprite or the ink layer.
Table 13-2 Minimum DRAM Size Required for SwivelView
Display
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
16 bpp
Mode
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
8 bpp
Buffer Size
Display
240KB
480KB
240KB
480KB
240KB
480KB
240KB
480KB
480KB
960KB
480KB
960KB
480KB
960KB
480KB
960KB
600KB
600KB
600KB
600KB
1.2MB
1.2MB
1.2MB
1.2MB
Buffer Size
117.19KB
18.75KB
18.75KB
29.30KB
4.69KB
Frame
75KB
Half-
0KB
0KB
0KB
DRAM Size
Minimum
512KB
512KB
512KB
2MB
2MB
2MB
Layer Buffer
1KB/18.75KB
Sprite/Ink
1KB/75KB
117.19KB
1KB/
Size
Layer Location
2032KB/1968KB
2032KB/1968KB
2032KB/1920KB
496KB/ 480KB
480KB/464KB
496KB/480KB
2032K/1968K
Ink/Cursor
480KB/--
496KB/--
496KB/--
496KB/--
X23A-A-001-11
SED1355
Page 139