MB86290A Datasheet, PDF (112/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

Set the display start position (X-coordinate) for the MR layer in pixel units
relative to the origin of the logical frame.
MRDY (MR-layer Display position Y)
DisplayBaseAddress + 6Eh
Register address
Bit #
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit field name
Reserved
MRDY
R/W
R0
RW
Default
0
Don’t care
Set the display start position (Y-coordinate) for the MR layer in pixel units
relative to the origin of the logical frame.
BLM (BL-layer Mode)
Register address ^{DisplayBaseAddress + 70h}
Bit #
Bit field name
R/W
Default
31 30 29 28 27 26 25 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
BLC BLFLP
RW _R0
00
Reserve
R0
0
BLW
RW
Don’t care
Reserve
R0
0
BLH
RW
Don’t care
Bits 11-0 BLH (BL-layer Height)
Set height of Base Left (BL) layer logical frame size in raster units. Setting + 1 is the height.
Bits 23-16
BLW (BL-layer memory Width)
Set width of Base Left (BL) layer logical frame size in 64-byte units
Bits 30-29
BLFLP (BL-layer Flip mode)
Set flipping mode for Base Left (BL) layer
00 Display frame 0
01 Display frame 1
10 Switch frame 0 and 1 back and forth
11 Reserved
Bit 31
BLC (BL-layer Color mode)
Sets color mode for Base Left (BL) layer
0
Indirect color mode (8 bits/pixel)
1
Direct color mode (16 bits/pixel)
112