GS1532 Datasheet PDF - Gennum Corporation

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GS1532
Gennum Corporation

Part Number GS1532
Description HD-LINX-TM II Multi-Rate Serializer
Page 30 Pages


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Key Features
• SMPTE 292M and SMPTE 259M-C compliant
scrambling and NRZ NRZI encoding (with
bypass)
• DVB-ASI sync word insertion and 8b/10b encoding
• user selectable additional processing features
including:
• CRC, ANC data checksum, and line number
calculation and insertion
• TRS and EDH packet generation and insertion
• illegal code remapping
• internal flywheel for noise immune TRS generation
• 20-bit / 10-bit CMOS parallel input data bus
• 148.5MHz / 74.25MHz / 27MHz / 13.5MHz parallel
digital input
• automatic standards detection and indication
• Pb-free and RoHS Compliant
• 1.8V core power supply and 3.3V charge pump
power supply
• 3.3V digital I/O supply
• JTAG test interface
• small footprint compatible with GS1560A, GS1561,
GS9060, and GS9062
Applications
• SMPTE 292M Serial Digital Interfaces
• SMPTE 259M-C Serial Digital Interfaces
• DVB-ASI Serial Digital Interfaces
GS1532 HD-LINX™ II
Multi-Rate Serializer
GS1532 Data Sheet
Description
The GS1532 is a multi-standard serializer with an
integrated cable driver. When used in conjunction with
the GO1525 Voltage Controlled Oscillator, a transmit
solution can be realized for HD-SDI, SD-SDI and
DVB-ASI applications.
In addition to serializing the input, the GS1532 performs
NRZ-to-NRZI encoding and scrambling as per SMPTE
292M/259M-C when operating in SMPTE mode. When
operating in DVB-ASI mode, the device will insert K28.5
sync characters and 8b/10b encode the data prior to
serialization.
Parallel data inputs are provided for 10-bit multiplexed
or 20-bit demultiplexed formats at both HD and SD
signal rates. An appropriate parallel clock input signal is
also required.
The integrated cable driver features an output mute on
loss of parallel clock, high impedance mode, adjustable
signal swing, and automatic dual slew rate selection
depending on HD/SD operational requirements.
The GS1532 also includes a range of data processing
functions including automatic standards detection and
EDH support. The device can also insert TRS signals,
calculate and insert line numbers and CRC’s, re-map
illegal code words and insert SMPTE 352M payload
identifier packets. All processing features are optional
and may be enabled/disabled via external control pin(s)
and/or host interface programming.
The GS1532 is Pb-free, and the encapsulation
compound does not contain halogenated flame
retardant.
This component and all homogeneous subcomponents
are RoHS compliant.
21498 - 6 June 2005
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GS1532 Data Sheet
Phase detector, charge
pump, VCO control &
power supply
DIN[19:0]
I/O
Buffer
&
demux
HOST Interface /
JTAG test
TRS insertion,
Line number
insertion,
CRC insertion,
data blank, code-
re-map and
flywheel
DVB-ASI sync
word insert &
8b/10b encode
SMPTE
352M
generation
EDH
generation
& SMPTE
scramble
P -> S
Reset
SDO_EN/DIS
SDO
SDO
RSET
GS1532 Functional Block Diagram
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Contents
GS1532 Data Sheet
Key Features .................................................................................................................1
Applications ...................................................................................................................1
Description ....................................................................................................................1
1. Pin Out .....................................................................................................................5
1.1 Pin Assignment ...............................................................................................5
1.2 Pin Descriptions ..............................................................................................6
2. Electrical Characteristics ........................................................................................14
2.1 Absolute Maximum Ratings ..........................................................................14
2.2 DC Electrical Characteristics ........................................................................14
2.3 AC Electrical Characteristics.........................................................................16
2.4 Solder Reflow Profiles...................................................................................18
2.5 Input/Output Circuits .....................................................................................19
2.6 Host Interface Maps......................................................................................21
2.6.1 Host Interface Map (Read Only Registers) .........................................22
2.6.2 Host Interface Map (R/W Configurable Registers) .............................23
3. Detailed Description ...............................................................................................24
3.1 Functional Overview .....................................................................................24
3.2 Parallel Data Inputs.......................................................................................24
3.2.1 Parallel Input in SMPTE Mode............................................................25
3.2.2 Parallel Input in DVB-ASI Mode..........................................................25
3.2.3 Parallel Input in Data-Through Mode ..................................................25
3.2.4 Parallel Input Clock (PCLK) ................................................................26
3.3 SMPTE Mode................................................................................................27
3.3.1 Internal Flywheel.................................................................................27
3.3.2 HVF Timing Signal Extraction .............................................................27
3.4 DVB-ASI mode..............................................................................................29
3.4.1 Control Signal Inputs ..........................................................................29
3.5 Data-Through Mode ......................................................................................29
3.6 Additional Processing Functions...................................................................30
3.6.1 Input Data Blank .................................................................................30
3.6.2 Automatic Video Standard Detection..................................................30
3.6.3 Packet Generation and Insertion ........................................................32
3.7 Parallel-To-Serial Conversion .......................................................................39
3.8 Serial Digital Data PLL..................................................................................40
3.8.1 External VCO......................................................................................40
3.8.2 Lock Detect Output .............................................................................40
3.9 Serial Digital Output ......................................................................................41
3.9.1 Output Swing ......................................................................................41
3.9.2 Serial Digital Output Mute...................................................................41
3.10 GSPI Host Interface ....................................................................................42
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GS1532 Data Sheet
3.10.1 Command Word Description.............................................................42
3.10.2 Data Read and Write Timing ............................................................43
3.10.3 Configuration and Status Registers ..................................................44
3.11 JTAG...........................................................................................................44
3.12 Device Power Up ........................................................................................46
3.13 Device Reset...............................................................................................46
4. Application Reference Design ................................................................................47
4.1 Typical Application Circuit .............................................................................47
5. References & Relevant Standards.........................................................................48
6. Package & Ordering Information............................................................................49
6.1 Package Dimensions ....................................................................................49
6.2 Packaging Data.............................................................................................50
6.3 Ordering Information .....................................................................................50
7. Revision History .....................................................................................................51
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