MB86293 Datasheet, PDF (163/285 Pages) Fujitsu Component Limited. – Grraphiics Conttrrollllerr Speciiffiicattiions

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
L2M (L2 layer Mode)
Register
address
DisplayBaseAddress + 40H
Bit number 31 30 29 28 27 − − 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 L2C L2FLP Reserved
L2W
Reserved
L2H
R/W
RW RW
R0
Initial value 0 00
0
RW
R0
Don’t care
0
RW
Don’t care
Bit 11 to 0
L2H (L2 layer Height)
Specifies the height of the logic frame of the L2 layer in pixel units. Setting value + 1
is the height
Bit 23 to 16
L2W (L2 layer memory Width)
Sets the memory width (stride) of the logic frame of the L2 layer in 64-byte units
Bit 30 and 29
L2FLP (L2 layer Flip mode)
Sets flipping mode for L2 layer
00 Displays frame 0
01 Displays frame 1
10 Switches frame 0 and 1 alternately for display
11 Reserved
Bit 31
L2C (L2 layer Color mode)
Sets the color mode for L2 layer
0 Indirect color (8 bits/pixel) mode
1 Direct color (16 bits/pixel) mode
MB86293 CORAL_LQ
Graphics Controller
163
Specifications Rev. 1.1