27 GRAPHICS ENGINE (GE)
27-64
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
6.9 CCT1 Configuration
Table 27.
Table
address
4 bpp data
(4 to 8 bpp conversion data)
2 bpp data (2 to 8
or 2 to 4 bpp conversion data)
1 bpp data (1 to 8, 1 to 4
or 1 to 2 bpp conversion data)
0x302910
8-bit color data 0
0x302911
8-bit color data 1
0x302912
8-bit color data 2
0x302913
8-bit color data 3
0x302914
8-bit color data 4
0x302915
8-bit color data 5
0x302916
8-bit color data 6
0x302917
8-bit color data 7
0x302918
8-bit color data 8
0x302919
8-bit color data 9
0x30291a
8-bit color data 10
0x30291b
8-bit color data 11
0x30291c
8-bit color data 12
0x30291d
8-bit color data 13
0x30291e
8-bit color data 14
0x30291f
8-bit color data 15
0x302920
8 or 4-bit color data 0
0x302921
8 or 4-bit color data 1
0x302922
8 or 4-bit color data 2
0x302923
8 or 4-bit color data 3
0x302924
8, 4, or 2-bit color data 0
0x302925
8, 4, or 2-bit color data 1
CCT1 2-bit Entries (GE_CCT1_2BIT)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
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
Write 2 to 4 or 8 bpp conversion data to the 4 bytes of CCT1 from address 0x302920 to address 0x302923.
CCT1 1-bit Entries (GE_CCT1_1BIT)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
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
Write 1 to 2, 4 or 8 bpp conversion data to the 2 bytes of CCT1 from address 0x302924 to address 0x302925.
LCDC Settings
27.7
The table below lists the GE work area settings and related LCDC main window (virtual display) settings.
7.1 GE Work Area and LCDC Main Window Settings
Table 27.
Setting
Equation
Remarks
VRAM rotation = 0°, 180°
VRAM rotation = 90°, 270°
GE
Work area width
1
1
1 bpp: 32-pixel units
2 bpp: 16-pixel units
4 bpp: 8-pixel units
8 bpp: 4-pixel units
16 bpp: 2-pixel units
Work area height
1
1
Work area start address
VWIN_ADDR
VWIN_ADDR
LCDC
Main window start address
VWI
(( 1)
×
Y0 + X0)
×
bpp
———————————————
8
VWI
(( 1)
×
Y0 + X0)
×
bpp
———————————————
8
(X0, Y0) = Coordinates
of main window upper
left corner in work area
Main screen address offset
( 1)
×
bpp
——————————
32
( 1)
×
bpp
——————————
32