SAA7146AH/V4,557 NXP Semiconductors, SAA7146AH/V4,557 Datasheet - Page 74
SAA7146AH/V4,557
Manufacturer Part Number
SAA7146AH/V4,557
Description
IC VIDEO SPCI BRIDGE HP 160-QFP
Manufacturer
NXP Semiconductors
Type
Video Bridger
Datasheet
1.SAA7146AHV4557.pdf
(139 pages)
Specifications of SAA7146AH/V4,557
Package / Case
160-QFP
Applications
DTV
Mounting Type
Surface Mount
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
568-1318
935269343557
SAA7146AHBB
935269343557
SAA7146AHBB
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SAA7146AH/V4,557
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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Philips Semiconductors
7.10.3
The SAA7146A transports VBI data (data during the
Vertical Blanking Interval) or VBI test signals between real
time world and the computer system. The data can be in
YUV format, luminance Y only, encoded digital CVBS on
luminance channel or a single bit stream of sliced data.
1 or 2 MSB of Y is utilized to carry ‘data bit’. PXQ pixel
qualifier is used as ‘data clock’.
7.11
The big/little-endian is supported in the way that a 2 and a
4-byte swapping is possible. The data formats using
32 bits per pixel requires a 4-byte swap, whereas the data
formats using 16 bits per pixel requires a 2-byte swap.
2004 Aug 25
handbook, full pagewidth
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
Video data formats on the PCI-bus
VBI
DATA INTERFACE
Fig.26 Sync and data path for direct and line memory mode.
LLC
PXQ
READ
DMA
Dword request
DATA
74
FIFO empty
DATA
HS
VS
7.11.1
7.11.1.1
RGB each defined as ‘full range’, all bits = 0 for black and
all bits = 1 for white. All RGB formats are composed
formats and use video FIFO 1 and video DMA Channel 1.
D1 INTERFACE
colour component and one byte for the colour key
information. The bytes are packed cyclicly into Dwords
and uses one Dword per sample. ‘ ’ can be the colour
key bit in all 8 bits or read via FIFO 2 (see
Section 7.11.1.3) and uses one entire Dword per
sample (see Table 59).
RGB-24 packed: The 24-bit RGB format use a full byte
for each colour component. The bytes are packed
cyclicly into Dwords, uses 0.75 Dwords per sample, i.e.
3 Dwords per 4 samples. The byte phase of the first
sample on each line is defined by the 2 LSBs of the DMA
base (see Table 60).
RGB-32: the RGB format use a full byte for each
FIFO3
DATA
BRS
PCI
S
CALER OUTPUT FORMATS
RGB
PXQ
(write enable in line
memory mode)
MGG268
(HPS)
Product specification
SAA7146A
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