APPENDIX A LIST OF I/O REGISTERS
AP-A-60
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
Mesh
Configuration
Register
(GE_MESH)
0x302468
(32 bits)
D31–20 –
reserved
–
–
–
0 when being read.
D19–18 MESH_RW
[1:0]
Mesh row width
MESH_RW[1:0]
Width
0x0 R/W
0x3
0x2
0x1
0x0
4 pixels
reserved
2 pixels
1 pixel
D17–16 MESH_CW
[1:0]
Mesh column width
MESH_CW[1:0]
Width
0x0 R/W
0x3
0x2
0x1
0x0
4 pixels
reserved
2 pixels
1 pixel
D15–0 MESH_COL
[15:0]
Mesh color
0x0 to 0xffff
0x0 R/W
Transparent
Color Register
(GE_MAGIC)
0x30246c
(32 bits)
D31–16 –
reserved
–
–
–
0 when being read.
D15–0 MAGIC_
COL[15:0]
Transparent color
0x0 to 0xffff
0x0 R/W
Updated Area
Start Position
Register
(GE_UPDT_ST)
0x302470
(32 bits)
D31–28 –
reserved
–
–
–
0 when being read.
D27–16 UPDT_UPL
_Y[11:0]
Updated area upper left corner
Y coordinate
0 to 4,095
0xfff R/W Cleared by writing
any data.
D15–12 –
reserved
–
–
–
0 when being read.
D11–0 UPDT_UPL
_X[11:0]
Updated area upper left corner
X coordinate
0 to 4,095
0xfff R/W Cleared by writing
any data.
Updated Area
End Position
Register
(GE_UPDT_
END)
0x302474
(32 bits)
D31–28 –
reserved
–
–
–
0 when being read.
D27–16 UPDT_LWR
_Y[11:0]
Updated area lower right corner
Y coordinate
0 to 4,095
0x0 R/W Cleared by writing
any data.
D15–12 –
reserved
–
–
–
0 when being read.
D11–0 UPDT_LWR
_X[11:0]
Updated area lower right corner
X coordinate
0 to 4,095
0x0 R/W Cleared by writing
any data.
Palette 1
(GE_
PALETTE1)
0x302800
|
0x3028ff
(8 bits)
D7–0 –
1/2/4/8-bit color data
0x0 to 0xff
X
R/W
CCT1 4-bit
Entries
(GE_CCT1_
4BIT)
0x302910
|
0x30291f
(8 bits)
D7–0 –
CCT1 data
(User defined 4 to 8 bpp conver-
sion data)
0x0 to 0xff
X
R/W
CCT1 2-bit
Entries
(GE_CCT1_
2BIT)
0x302920
|
0x302923
(8 bits)
D7–0 –
CCT1 data
(User defined 2 to 4/8 bpp con-
version data)
0x0 to 0xff
X
R/W
CCT1 1-bit
Entries
(GE_CCT1_
1BIT)
0x302924
|
0x302925
(8 bits)
D7–0 –
CCT1 data
(User defined 1 to 2/4/8 bpp con-
version data)
0x0 to 0xff
X
R/W