MB86294 Datasheet, PDF (204/305 Pages) Fujitsu Component Limited. – Grraphiics Controller specifications

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
L5ETC (L5 layer Extend Transparency Control)
Register
address
DisplayBaseAddress + 1B4H
Bit number 31 30 29 28 --- 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit field name L5ETZ Reserved
L5TEC
R/W
RW
R0
RW
Initial value 0
0
This register sets the transparent color for the L5 layer. This register sets the transparent color for the
L5 layer. When L5ETC = 0 and L5EZT = 0, color 0 is displayed in black (transparent).
Bit 23 to 0
L5ETC (L5 layer Extend Transparent Color)
Sets transparent color code for the L5 layer. In indirect color mode (8 bits/pixel) bits 7 to
0 are used.
Bit 31
L5EZT (L5 layer Extend Zero Transparency)
Sets handling of color code 0 in L5 layer
0 Code 0 as transparency color
1 Code 0 as non-transparency color
MB86294/294S CORAL_LB
Graphics Controller
204
Specifications Rev. 1.0