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부품번호 | GS1582 기능 |
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기능 | Multi-Rate Serializer | ||
제조업체 | Gennum | ||
로고 | |||
전체 30 페이지수
GS1582 Multi-Rate Serializer with Cable Driver, Audio Multiplexer and
ClockCleanerTM
Key Features
• HD-SDI, SD-SDI, DVB-ASI transmitter with audio
embedding
• Integrated SMPTE 292M and 259M-C compliant cable
driver
• Integrated ClockCleaner™
• User selectable video processing features, including:
Generic ancillary data insertion
Support for HVF or EIA/CEA-861 timing input
Automatic standard detection and indication
Enhanced SMPTE 352M payload identifier
generation and insertion
TRS, CRC, ANC data checksum, and line number
calculation and insertion
EDH packet generation and insertion
Illegal code remapping
SMPTE 292M and SMPTE 259M-C compliant
scrambling and NRZ → NRZI encoding
Blanking of input HANC and VANC space
• User selectable audio processing features, including:
SMPTE 299M and SMPTE 272M-A/C compliant
audio embedding
Support for up to 8 channels
Support for audio group replacement
• JTAG test interface
• 1.8V core and 3.3V charge pump power supply
• 1.8V and 3.3V digital I/O support
• Low power standby mode
• Operating temperature range: -20oC to +85oC
• Pb-free, RoHS compliant, 11mm x 11mm 100-ball BGA
package
Applications
• SMPTE 292M and SMPTE 259M-C Serial Digital
Interfaces
• DVB-ASI Serial Digital Interfaces
Description
The GS1582 is the next generation multi-standard
serializer with an integrated cable driver. The device
provides robust parallel to serial conversion, generating a
SMPTE 292M/259M-C compliant serial digital output
signal. The integrated cable driver features an output
disable (high impedance) mode and an adjustable signal
swing. Data input is accepted in 20-bit parallel format or
10-bit parallel format. An associated parallel clock input
must be provided at the appropriate operating frequency;
74.25/74.1758/13.5MHz (20-bit mode) or
148.5/148.352/27MHz (10-bit mode).
The GS1582 features an internal PLL which, if desired, can
be configured for a loop bandwidth below 100kHz. When
used in conjunction with the GO1555 Voltage Controlled
Oscillator, the GS1582 can tolerate well in excess of 300ps
jitter on the input PCLK and still provide output jitter within
SMPTE specifications.
In addition to serializing the input, the GS1582 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. The device also provides a range of other data
processing functions. All processing features are optional
and may be enabled/disabled via external control pin(s)
and/or host interface programming.
The GS1582 can embed up to 8 channels of audio into the
video data stream in accordance with SMPTE 299M and
SMPTE 272M. The audio input signal formats supported by
the device include AES/EBU and I2S serial digital formats
with a 16, 20 or 24 bit sample size and a 48 kHz sample rate.
Additional audio processing features include individual
channel enable, channel swap, group swap, ECC
generation and audio channel status insertion.
Typical power consumption, including the GO1555 VCO, is
500mW. The standby feature allows the power to be
reduced to 125mW. Power may be reduced to less than
GS1582 Multi-Rate Serializer with Cable Driver, Audio Multiplexer and ClockCleanerTM
www.gennum.com
Data Sheet
40117 - 4
December 2011
1 of 115
Contents
1. Pin Out...............................................................................................................................................................9
1.1 Pin Assignment ..................................................................................................................................9
1.2 Pin Descriptions ............................................................................................................................. 10
2. Electrical Characteristics ......................................................................................................................... 19
2.1 Absolute Maximum Ratings ....................................................................................................... 19
2.2 Recommended Operating Conditions .................................................................................... 19
2.3 DC Electrical Characteristics ..................................................................................................... 20
2.4 AC Electrical Characteristics ..................................................................................................... 21
3. Input/Output Circuits ............................................................................................................................... 23
4. Detailed Description.................................................................................................................................. 26
4.1 Functional Overview .................................................................................................................... 26
4.2 Parallel Data Inputs ....................................................................................................................... 26
4.2.1 Parallel Input in SMPTE Mode....................................................................................... 27
4.2.2 Parallel Input in DVB-ASI Mode................................................................................... 27
4.2.3 Parallel Input in Data-Through Mode......................................................................... 27
4.2.4 Parallel Input Clock (PCLK) ............................................................................................ 28
4.3 SMPTE Mode ................................................................................................................................... 29
4.3.1 HVF Timing.......................................................................................................................... 29
4.3.2 CEA 861 Timing.................................................................................................................. 31
4.4 DVB-ASI mode ................................................................................................................................ 35
4.4.1 Control Signal Inputs........................................................................................................ 35
4.5 Data-Through Mode ..................................................................................................................... 36
4.6 Standby Mode ................................................................................................................................. 36
4.7 Audio Multiplexer ......................................................................................................................... 37
4.7.1 Audio Core Configurations ............................................................................................ 37
4.7.2 Audio Detection ................................................................................................................. 38
4.7.3 Audio Modes of Operation ............................................................................................. 38
4.7.4 Audio Packet Delete ......................................................................................................... 40
4.7.5 Arbitrary, SMPTE 352M & EDH Packet Detect......................................................... 40
4.7.6 Audio Packet Multiplexing............................................................................................. 41
4.7.7 Audio Insertion After Video Switching Point .......................................................... 42
4.7.8 Audio Data Packets........................................................................................................... 42
4.7.9 Audio Control Packets ..................................................................................................... 46
4.7.10 Setting Packet DID .......................................................................................................... 48
4.7.11 Audio Group Replacement .......................................................................................... 49
4.7.12 Channel and Group Activation .................................................................................. 51
4.7.13 ECC Error Detection & Correction (HD Mode Only)............................................ 51
4.7.14 Interrupt Control ............................................................................................................. 51
4.7.15 Audio Clocks..................................................................................................................... 51
4.7.16 5-frame Sequence Detection....................................................................................... 52
4.7.17 Audio Input Format........................................................................................................ 53
4.7.18 Audio Channel Status Input ........................................................................................ 56
GS1582 Multi-Rate Serializer with Cable Driver, Audio
Multiplexer and ClockCleanerTM
Data Sheet
40117 - 4
December 2011
4 of 115
4페이지 List of Tables
Pin Descriptions .................................................................................................................................................9
Recommended Operating Conditions .................................................................................................... 18
DC Electrical Characteristics ...................................................................................................................... 19
AC Electrical Characteristics ...................................................................................................................... 20
Parallel Data Input Format ......................................................................................................................... 27
Standby Power Consumption .................................................................................................................... 36
Audio Multiplexer Modes of Operation ................................................................................................. 38
Non-audio Ancillary Data Packet DIDs .................................................................................................. 40
Audio Data Packet Word Descriptions ................................................................................................... 42
Extended Audio Data Packet Word Descriptions ............................................................................... 43
Audio Data Packet Word Descriptions ................................................................................................... 44
Audio Control Packet Word Descriptions ............................................................................................. 45
Audio Control Packet Word Descriptions ............................................................................................. 46
Audio Group DID Host Interface Settings ............................................................................................. 48
Audio Data and Control Packet DID Setting Register ........................................................................ 48
GS1582 Serial Audio Data Inputs ............................................................................................................. 51
Frame Rates with AFN = 0 ........................................................................................................................... 52
Frame Rates with varying samples per frame ...................................................................................... 52
Audio Input Formats ..................................................................................................................................... 53
Audio Channel Status Block Default Settings ...................................................................................... 56
Audio Channel Status Information Register Settings ........................................................................ 56
Audio Channel Mapping Codes ................................................................................................................ 57
Source Input Address Registers ................................................................................................................ 57
Audio Clock Selection Host Interface Settings ..................................................................................... 58
Audio Buffer Pointer Offset Settings ....................................................................................................... 59
5-frame Sequence Sample Distribution ................................................................................................. 59
Group 1 Audio Sample Distribution ........................................................................................................ 60
Group 2 Audio Sample Distribution ........................................................................................................ 60
Group 3 Audio Sample Distribution ........................................................................................................ 60
Group 4 Audio Sample Distribution ........................................................................................................ 60
Group 1 Audio Sample Distribution ........................................................................................................ 61
Group 2 Audio Sample Distribution ........................................................................................................ 61
Group 3 Audio Sample Distribution ........................................................................................................ 61
Group 4 Audio Sample Distribution ........................................................................................................ 61
Synchronous Audio Sample Distributions ............................................................................................ 62
Host Interface Description for Video Standard Register .................................................................. 66
Host Interface Description for Raster Structure Registers .............................................................. 66
Supported Video Standards ....................................................................................................................... 67
Host Interface Description for Internal Processing Disable Register ........................................... 69
Host Interface Description for SMPTE 352M Packet Line Number Insertion Registers ......... 70
Host Interface Description for SMPTE 352M Payload Identifier Registers ................................. 70
Host Interface Description for EDH Flag Register (SD Mode Only) .............................................. 72
Serial Digital Output Rates .......................................................................................................................... 74
Loop Filter Component Values .................................................................................................................. 75
GSPI Timing Parameters .............................................................................................................................. 79
GS1582 Internal Registers ........................................................................................................................... 80
Video Configuration and Status Registers ............................................................................................. 81
GS1582 Multi-Rate Serializer with Cable Driver, Audio
Multiplexer and ClockCleanerTM
Data Sheet
40117 - 4
December 2011
7 of 115
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다운로드 | [ GS1582.PDF 데이터시트 ] |
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GS1582 | Multi-Rate Serializer | Gennum |
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