M69030 Asiliant Technologies, M69030 Datasheet - Page 177
M69030
Manufacturer Part Number
M69030
Description
Manufacturer
Asiliant Technologies
Datasheet
1.M69030.pdf
(387 pages)
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
Available stocks
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Part Number
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Quantity
Price
Part Number:
M69030
Manufacturer:
CHIPS
Quantity:
20 000
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M69030P
Manufacturer:
MIT
Quantity:
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PALMASK
read/write at I/O address 3C6h
shadowed for pipelines A and B
7-0
PALSTATE
read-only at I/O address 3C7h
shadowed for pipelines A and B
7-2
1-0
`efmp
A
B
A
B
Pixel Data Mask
Reserved
Palette State
69030 Databook
7
7
In indexed-color mode, the 8 bits of this register are logically ANDed with the 8 bits of pixel
data received from the frame buffer for each pixel. The result of this ANDing process
becomes the actual index used to select locations within the palette. This has the effect of
limiting the choice of palette locations that may be specified by the incoming 8-bit data.
In direct-color mode, the palette is not used, and the data in this register is entirely ignored.
These 2 bits indicate which of the palette two index registers was most recently written to.
1 0
0 0
0 1
1 0
1 1
6
6
Palette Data Mask Register
Bit
Palette State Register
Palette Index Register Last Written To
Palette Write Index Register (PALWX) at I/O address 3C8h
reserved
reserved
Palette Read Index Register (PALRX) at I/O address 3C7h
5
5
Reserved
Reserved
Palette Registers
Pixel Data Mask
Pixel Data Mask
4
4
3
3
2
2
Revision 1.3 11/24/99
1
1
DAC State
DAC State
0
0
13-3
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