M69030 Asiliant Technologies, M69030 Datasheet - Page 178

• 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

13-4
PALRX
write-only at I/O address 3C7h
shadowed for pipelines A and B
7-0
PALWX
read/write at I/O address 3C8
shadowed for pipelines A and B
7-0
`efmp
A
B
A
B

Palette Read Index
Palette Write Index
69030 Databook
7
7
This 8-bit value is an index that selects 1 of the 256 standard locations within the palette
(or 1 of 8 alternate locations specifically for hardware cursor and popup colors, depending
on the setting of bit 0 of XR80) to be read from via the Palette Data Register (PALDATA).
The index value held in this register is automatically incremented when all three bytes of
the color data position selected by the current index have been read.
This 8-bit value is an index that selects 1 of the 256 standard locations within the palette
(or 1 of 8 alternate locations specifically for hardware cursor and popup colors, depending
on the setting of bit 0 of XR80) to be written to via the Palette Data Register (PALDATA).
The index value held in this register is automatically incremented when all three bytes of
the color data position selected by the current index have been written.
Palette Read Index Register
Palette Write Index Register
6
6
5
5
Palette Registers
Palette Read Index
Palette Read Index
Palette Write Index
Palette Write Index
4
4
3
3
2
2
Revision 1.3 11/24/99
1
1
0
0