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GS9001-CQM Datasheet

  • GS9001-CQM

  • EDH COPROCESSOR

  • 14頁

  • ETC

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GENLINX
鈩?/div>
GS9001
EDH Coprocessor
DATA SHEET
FEATURES
鈥?/div>
Error Detection and Handling (EDH) according to
SMPTE RP165
鈥?/div>
EDH insertion and extraction in one device
鈥?/div>
autostandard operation
鈥?/div>
I
2
C Serial communications interface for access to
error flags and device configuration
鈥?/div>
available stand alone mode
鈥?/div>
error flags available on dedicated outputs
鈥?/div>
field, vertical, horizontal timing signals, ancillary data
indication and TRS indication
鈥?/div>
video standard and invalid data indication
鈥?/div>
reserved words readable and writeable
鈥?/div>
21 bit Errored Fields counter
鈥?/div>
passthrough mode to bypass EDH packet insertion
鈥?/div>
true 8-bit compatibility
鈥?/div>
40 MHz operating frequency
Part Number
Package
44 PQFP
Temperature
O擄C to 70擄C
DESCRIPTION
The GS9001 implements error detection and handling (EDH)
functions according to SMPTE RP165. Interfacing to the
parallel port of either the GS9002/GS9022 serial digital
encoders or GS9000 decoder, the GS9001 provides EDH
insertion and extraction for 4茠sc NTSC, 4茠sc PAL and 4:2:2
component standards up to 18 MHz luminance sampling.
The GS9001 also generates timing signals such as horizontal
sync, vertical blanking, field ID and ancillary data identification.
The ancillary data identification aids the extraction of ancillary
data from the data stream.
The device has an
I
2
C (Inter-Integrated Circuit) serial interface
bus for communication with a microcontroller. The device
can be programmed as an
I
2
C slave transmitter or receiver by
the microcontroller. This interface can be used to read the
complete set of error flags and override the flag status prior to
re-transmission. The device automatically determines the
operating standard which can be overridden through the
I
2
C
interface. Timing signals and transmission error flags are also
available on dedicated outputs.
ORDERING INFORMATION
APPLICATIONS
鈥?4茠sc, 4:2:2 and 360 Mb/s serial digital interfaces
鈥?Source and destination equipment
鈥?Distribution equipment
鈥?Test equipment
GS9001-CQM
I
C
Interface
2
Device Address
Serial Clock
& Data
Ancillary
Check
Error Flags
&
Format
Transmission
Error Flags
CRC
Extraction
Transmit/
Receive
Automatic
Standards
Detection
Compare
Interrupt
Control
Logic
Errored
Field
Counter
Mux
Data
Out
Data In
Clock
Reset
Field Signals/
Standard Indication
CRC
Calculation
HSync, VBlank,
Ancillary Data, TRS-ID,
TRS Absence Indication
I
2
C
is a registered Trademark of Philips
Revision Date: February 1996
BLOCK DIAGRAM
Document No. 521 - 38 - 02
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-5946
Japan Branch: A-302, Miyamae Village, 2-10-42, Miyamae, Suginami-ku, Tokyo 168, Japan
tel. (03) 3247-8838
fax. (03) 3247-8839

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