MB86294 Datasheet, PDF (189/305 Pages) Fujitsu Component Limited. – Grraphiics Controller specifications

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
CUTC (Cursor Transparent Control)
Register
address
DisplayBaseAddress + A0H
Bit number 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit field name
Reserved
CUZT
CUTC
R/W
R0
RW
RW
Initial value
0
Don’t
Don’t care
care
Bit 7 to 0
CUTC (Cursor Transparent Code)
Sets color code handled as transparent code
Bit 8
CUZT (Cursor Zero Transparency)
Defines handling of color code 0
0 Code 0 as transparency color
1 Code 0 as non-transparency color
CPM (Cursor Priority Mode)
Register
address
DisplayBaseAddress + A2H
Bit number
Bit field name
7
6
Reserved
5
CEN1
R/W
R0
RW
Initial value
0
0
4
CEN0
RW
0
3
2
Reserved
R0
0
1
CUO1
RW
0
0
CUO0
RW
0
This register controls the display priority of cursors. Cursor 0 is always preferred to cursor 1.
Bit 0
CUO0 (Cursor Overlap 0)
Sets display priority between cursor 0 and pixels of Console layer
0 Puts cursor 0 at lower than L0 layer.
1 Puts cursor 0 at higher than L0 layer.
Bit 1
CUO1 (Cursor Overlap 1)
Sets display priority between cursor 1 and C layer
0 Puts cursor 1 at lower than L0 layer.
1 Puts cursor 1 at lower than L0 layer.
Bit 4
CEN0 (Cursor Enable 0)
Sets enabling display of cursor 0
0 Disabled
1 Enabled
Bit 5
CEN1 (Cursor Enable 1)
Sets enabling display of cursor 1
0 Disabled
1 Enabled
MB86294/294S CORAL_LB
Graphics Controller
189
Specifications Rev. 1.0