saa7134hl NXP Semiconductors, saa7134hl Datasheet - Page 26

• Manufacturer Part Number: saa7134hl
• Description: Pci Audio And Video Broadcast Decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
SAA7134HL_4
Product data sheet
Fig 9. Scaler processing with DMA interfacing
video first line
video last line
The capture acquisition for scaling and DMA has separate programming parameters for VBI and video region and
associated DMA channels.
VBI first line
VBI last line
video first pixel
VBI first sample
VBI region, raw samples
VBI region, raw samples
active video area
active video area
video region
- cropped
- scaled
video region
- cropped
- scaled
2nd field (even, FID = 1)
1st field (odd, FID = 0)
scaling
scaling
video last pixel
sample rate
sample rate
Rev. 04 — 31 March 2006
VBI last sample
PCI audio and video broadcast decoder
1st buffer (A)
2nd buffer (A)
1st buffer (upper field)
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
VBI DMA
2nd buffer (lower field)
video DMA (A)
e.g. interlaced
SAA7134HL
mhb997
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