M69030 Asiliant Technologies, M69030 Datasheet - Page 313

• Manufacturer Part Number: M69030
• Manufacturer: Asiliant Technologies

Specifications of M69030

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Rad Hardened: No
• Lead Free Status / Rohs Status: Supplier Unconfirmed

MR40/C0-42/C2
read/write at I/O address 3D3h with index at address 3D2h set to 40h/C0h-42h/C2h
shadowed for each playback engine at MR40-MR42, and cross-shared for the other at MRC0-MRC2
MR40/C0: Red Mask,
7-0
The table below describes the bits and values for the color key registers in different graphics modes.
Table 16-2:
Note: Color Key bit assignments:
`efmp
PB
PB
1
2
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

Red/Green/Blue Color Key Masks
69030 Databook
7
Table 16-2: Color Key bit assignments:
0: Use the corresponding color key
1: Do not use color key
=
Red Bits 7-0
R_Key
G_Key Bits 6-2
G_Key Bits 1-0, B_Key Bits 7-5
B_Key Bits 4-0
6
MR41/C1: Green Mask,
Color Key Mask Registers
Green Bits 6-0
Green Bits 7-0
Green Bits 7-0
Green Bit 7
5
G_Key
Playback Engine 1 Color Key Masks
Playback Engine 2 Color Key Masks
Multimedia Registers
4
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
MR42/C2: Blue Mask
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
R_Key
FF
FF
FF
FF
FF
FF
00
2
G_Key Bits 7-3
B_Key Bits 4-0
G_Key
Masks
FF
FF
7F
FF
80
00
00
Revision 1.3 11/24/99
1
B_Key
FF
FE
F0
00
00
00
00
0
16-31