MB86296 Datasheet, PDF (224/352 Pages) Fujitsu Component Limited. – PCI Graphics Controller Specification

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
Reserved
L2W
Reserved
L2H
R/W
RW R0
Initial value
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
MB86296S<Coral-PA>
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Specification Manual Rev0.1