SAA7146AH/V4,557 NXP Semiconductors, SAA7146AH/V4,557 Datasheet - Page 92
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SAA7146AH/V4,557
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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Philips Semiconductors
Table 90 UPLOAD handling for the scaler registers
2004 Aug 25
Initial setting of Dual
D1 Interface
Video DATA stream
handling at port D1_A
Video DATA stream
handling at port D1_B
BRS control register
HPS control
HPS vertical scale
HPS vertical scale
and gain
Chroma key range
HPS output and
formats
Clip control
HPS, horizontal
prescale
HPS, horizontal
fine-scale
BCS control
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
REGISTER
50
54
54
58
5C
60
64
74
78
78
68
6C
70
OFFSET
(HEX)
no video event
VBI_A
VBI_B
BRS_DONE
HPS_DONE
HPS_LINE_DONE
VIDEO EVENT
92
The ‘initial settings of the Dual D1 interface’ contains all
control bits of the scaler part which do not change during a
cyclic processing of the video path. These control bits must
be initialized at the start of the processing. The different
upload conditions of the video path depend on these control
bits. Changing these bits during the cyclic processing can
cause internal pulse signals which generate video events.
These events may not fit into the sequence for the cyclic
processing.
Vertical Blanking Indicator at VS_A port: the VBI is a
V-pulse which depends on the selected edge of the vertical
blanking interval. The edge is defined by the SYNC_A bits.
The selected mode depends on the accepted sync signals.
This register can be uploaded with this V-pulse.
Vertical Blanking Indicator at VS_B port: the VBI is a
V-pulse which depends on the selected edge of the vertical
blanking interval. The edge is defined by the SIO_B bits.
The selected mode depends on the accepted sync signals.
This register can be uploaded with this V-pulse.
Inactive BRS data path: in write mode the BRS data path is
inactive from the falling edge of VGT at the output of the
BRS which means that target line and target byte are
reached to the start of the next field (V-pulse which triggered
the BRS acquisition). For the read mode this register
contains only initial settings which can not change during
cyclic processing.
Inactive HPS data path between two video windows: the
HPS data path is inactive from the falling edge of the VGT at
the output of the HPS, indicating that target line and target
byte are reached, to the start of the next window
processing. V-pulse at the HPS acquisition input.
Inactive HPS data path between two lines: the HPS data
path is inactive from the falling edge of the HGT at the
output of the HPS, indicating that target byte is reached to
the start of the next line processing. Rising edge of the HGT
at the HPS acquisition output.
DESCRIPTION
Product specification
SAA7146A
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