AN2621 Freescale Semiconductor / Motorola, AN2621 Datasheet - Page 9

• Manufacturer Part Number: AN2621
• Description: MPC8220i PF300 Image Coprocessor Operation
• Manufacturer: Freescale Semiconductor / Motorola

Appendix A
Resampling Unit Flow Chart
MOTOROLA
counters SY, DY
Done
Increment
No
DY < DYMAX?
Start
MPC8220i PF300 Image Coprocessor Operation
Freescale Semiconductor, Inc.
For More Information On This Product,
No
Go to: www.freescale.com
counters to
Horizontal
DX < DXMAX?
line start
value
in Shadow
Clear bit
Buffer
value
Pass
0xaa
No
DX and DY are the destination
pixel coordinates
SX and SY are the source pixel
coordinates
DXMAX and DYMAX are the
upper limits of the destination
image rectangle
counters SX, DX
Yes
Increment
rectangle?
source
Within
Yes
value from
pixel SX,
Set bit in
Shadow
Source
Buffer
Pass
SY
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