M69030 Asiliant Technologies, M69030 Datasheet - Page 370
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
Manufacturer
Quantity
Price
Part Number:
M69030
Manufacturer:
CHIPS
Quantity:
20 000
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M69030P
Manufacturer:
MIT
Quantity:
20 000
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E-8
BitBLT Operation
When the Source and Destination Locations Overlap
When the source and destination locations are both within the frame buffer, it is possible to have BitBLT
operations in which these locations overlap. This frequently occurs in BitBLT operations where a user is
shifting the position of a graphical item on the display by only a few pixels. In these situations, the BitBLT
engine must be programmed so that output destination data is not written to the part of the destination that
overlaps the source before the source data in the area of overlap has been read. Otherwise, the source
data will become corrupted as shown in the figure below.
Figure E-3: Source Corruption in BitBLT with Overlapping Source and Destination
Locations
`efmp
69030 Databook
Revision 1.3 11/24/99
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