M69000 Asiliant Technologies, M69000 Datasheet - Page 281

• Manufacturer Part Number: M69000
• Manufacturer: Asiliant Technologies

Specifications of M69000

• Lead Free Status / Rohs Status: Supplier Unconfirmed

16-26
MR3D-3F
read/write at I/O address 3D3h with index at address 3D2h set to 3Dh -3Fh
MR3D: Red,
7-0
MR40-42
read/write at I/O address 3D3h with index at address 3D2h set to 40h - 42h
MR40: Red Mask,
7-0
The table below describes the bits and values for the color key registers in different graphics modes.
Table 16-2: Color Key Bit Assignments:
Note: Color Key bit assignments:
&+,36
In 15 Bit RGB (5:5:5) Mode:
Display Mode
4-Bit Indexed
8-Bit Indexed
15-Bit RGB
16-Bit RGB
24-Bit RGB
RED Bits 7-3
GREEN Bits 7-3=
BLUE Bis 7-3 =
16-Bit Key
24-Bit Key
7
7
Red/Green/Blue Color Keys
Red/Green/Blue Color Key Masks
69000 Databook
MR3E: Green,
0: Use the corresponding color key
1: Do not use color key
0: Use the corresponding color key
1: Do not use color key
=
6
6
Red Bits 7-0
Color Key Mask Registers
Color Key Registers
MR41: Green Mask,
R_Key
G_Key Bits 6-2
G_Key Bits 1-0, B_Key Bits 7-5
B_Key Bits 4-0
5
5
Green Bits 6-0
Green Bits 7-0
Green Bits 7-0
MR3F: Blue
Green Bit 7
Subject to Change Without Notice
G_Key
Multimedia Registers
MR42: Blue Mask
Color Key Masks
4
4
Color Keys
Blue Bits 3-0
Blue Bits 7-0
Blue Bits 7-0
Blue Bits 7-0
Blue Bits 7-0
Blue Bits 7-0
B_Key
In 16 Bit RGB (5:6:5) Mode:
RED Bits 7-3 =
GREEN Bits 7-2= G_Key Bits 2-0, B_Key Bits 7-5
BLUE Bits 7-3 =
3
3
R_Key
FF
FF
FF
FF
FF
FF
00
2
2
G_Key Bits 7-3
B_Key Bits 4-0
G_Key
Masks
FF
FF
FF
80
00
00
7F
Revision 1.3 8/31/98
1
1
B_Key
FE
F0
00
00
00
00
FF
0
0