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PDF GS2972 Data sheet ( Hoja de datos )

Número de pieza GS2972
Descripción 3G/HD/SD-SDI Serializer
Fabricantes Semtech 
Logotipo Semtech Logotipo



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No Preview Available ! GS2972 Hoja de datos, Descripción, Manual

GS2972
3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support
Key Features
• Operation at 2.970Gb/s, 2.970/1.001Gb/s, 1.485Gb/s,
1.485/1.001Gb/s and 270Mb/s
• Supports SMPTE ST 425 (Level A and Level B),
SMPTE ST 424, SMPTE ST 292, SMPTE ST 259-C and
DVB-ASI
• Integrated Cable Driver
• Integrated, low-noise VCO
• Integrated Narrow-Bandwidth PLL
• Integrated Audio Embedder for up to 8 channels of
48kHz audio
• Ancillary data insertion
• Optional conversion from SMPTE ST 425 Level A to
Level B for 1080p 50/60 4:2:2 10-bit
• Parallel data bus selectable as either 20-bit or 10-bit
• SMPTE video processing including TRS calculation and
insertion, line number calculation and insertion, line
based CRC calculation and insertion, illegal code
re-mapping, SMPTE ST 352 payload identifier
generation and insertion
• GSPI host interface
• +1.2V digital core power supply, +1.2V and +3.3V
analog power supplies, and selectable +1.8V or +3.3V
I/O power supply
• -20ºC to +85ºC operating temperature range
• Low power operation (typically at 400mW, including
Cable Driver)
• Small 11mm x 11mm 100-ball BGA package
• Pb-free and RoHS compliant
Applications
Application: 1080p 50/60 Camera/Camcorder
MIC
ADC
Audio
Processor
AUDIO 1/ 2
Audio Clocks
AES - IN
AUDIO 3/4
OPTICS
CCD
Video
Processor
20-bit
HV F/PCLK
GS2972
CTRL/TIME CODE
3G-SDI
Storage :
Tape/Disc /Solid State
HD-SDI
Link A
EQ
GS2974B
HD-SDI
Link B
EQ
GS2974B
Application: Dual Link (HD-SDI)
to Single Link (3G-SDI) Converter
HD-SDI
Deserializer
(GS1559 or
GS2970)
10-bit
HV F/PCLK
FIFO
WR
HD-SDI
Deserializer
(GS1559 or
GS2970)
10-bit
HV F/PCLK
FIFO
WR
10-bit
HV F/PCLK
10-bit
GS2972
3G-SDI
GS4910
HVF
X TAL
Application: Multi-format Audio Embedder Module
SD/HD/3G-SDI
EQ
GS2974B
GS2970
HVF
10-bit
P CLK
Audio Clocks
GS4911
GS2972
SD/HD/3G-SDI
AES
Audio
Inputs
Analog
Audio
Inputs
SRC
ADC
Switch
Logic
&
Buffers
AUDIO 1/ 2
AUDIO 3/ 4
AUDIO 5/ 6
AUDIO 7/ 8
GS2972 3G/HD/SD-SDI Serializer with Complete
SMPTE Audio & Video Support
Final Data Sheet Rev. 9
GENDOC-047479 September 2013
www.semtech.com
1 of 125

1 page




GS2972 pdf
Contents
Key Features ........................................................................................................................................................1
Applications ......................................................................................................................................................... 1
Description ........................................................................................................................................................... 2
Functional Block Diagram ..............................................................................................................................3
Revision History .................................................................................................................................................4
1. Pin Out............................................................................................................................................................ 10
1.1 Pin Assignment ............................................................................................................................... 10
1.2 Pin Descriptions ............................................................................................................................. 11
2. Electrical Characteristics ......................................................................................................................... 20
2.1 Absolute Maximum Ratings ....................................................................................................... 20
2.2 Recommended Operating Conditions .................................................................................... 20
2.3 DC Electrical Characteristics ..................................................................................................... 21
2.4 AC Electrical Characteristics ..................................................................................................... 23
3. Input/Output Circuits ............................................................................................................................... 26
4. Detailed Description.................................................................................................................................. 30
4.1 Functional Overview .................................................................................................................... 30
4.2 Parallel Data Inputs ....................................................................................................................... 31
4.2.1 Parallel Input in SMPTE Mode....................................................................................... 33
4.2.2 Parallel Input in DVB-ASI Mode................................................................................... 33
4.2.3 Parallel Input in Data-Through Mode......................................................................... 34
4.2.4 Parallel Input Clock (PCLK) ............................................................................................ 34
4.3 SMPTE Mode ................................................................................................................................... 35
4.3.1 H:V:F Timing ....................................................................................................................... 35
4.3.2 CEA 861 Timing.................................................................................................................. 38
4.4 DVB-ASI Mode ............................................................................................................................... 44
4.5 Data-Through Mode ..................................................................................................................... 44
4.6 Standby Mode ................................................................................................................................. 44
4.7 Audio Embedding .......................................................................................................................... 45
4.7.1 Serial Audio Data Inputs ................................................................................................. 45
4.7.2 Serial Audio Data Format Support............................................................................... 47
4.7.3 3G Mode................................................................................................................................ 49
4.7.4 HD Mode............................................................................................................................... 49
4.7.5 SD Mode................................................................................................................................ 50
4.7.6 Audio Embedding Operating Modes .......................................................................... 50
4.7.7 Audio Packet Detection................................................................................................... 51
4.7.8 Audio Packet Deletion ..................................................................................................... 51
4.7.9 Audio Packet Detection and Deletion ........................................................................ 51
4.7.10 Audio Mute (Default Off).............................................................................................. 52
4.7.11 Audio Channel Status .................................................................................................... 53
4.7.12 Audio Crosspoint............................................................................................................. 54
4.7.13 Audio Word Clock .......................................................................................................... 55
4.7.14 Channel & Group Activation ....................................................................................... 55
4.7.15 Audio FIFO - SD............................................................................................................... 56
4.7.16 Audio FIFO - HD and 3G............................................................................................... 57
GS2972 3G/HD/SD-SDI Serializer with Complete
SMPTE Audio & Video Support
Final Data Sheet Rev. 9
GENDOC-047479 September 2013
www.semtech.com
5 of 125

5 Page





GS2972 arduino
1.2 Pin Descriptions
Table 1-1: Pin Descriptions
Pin
Number
Name
Timing
B3, A2, A1,
B2, B1, C2,
C1, C3, D1,
D2
DIN[19:10]
Synch-
A3
F/DE
ronous
with
PCLK
Type
Input
Input
Description
PARALLEL DATA BUS.
Please refer to the Input Logic parameters in the DC Electrical
Characteristics table for logic level threshold and compatibility.
20-bit mode
20BIT/10BIT = HIGH
Data Stream 1/Luma data input in
SMPTE mode (SMPTE_BYPASS = HIGH)
Data input in data through mode
(SMPTE_BYPASS = LOW)
10-bit mode
20BIT/10BIT = LOW
Multiplexed Data Stream 1/Luma and
Data Stream 2/Chroma data input in
SMPTE mode
(SMPTE_BYPASS = HIGH)
Data input in data through mode
(SMPTE_BYPASS = LOW)
DVB-ASI data input in DVB-ASI mode
(SMPTE_BYPASS = LOW)
(DVB_ASI = HIGH)
PARALLEL DATA TIMING.
Please refer to the Input Logic parameters in the DC Electrical
Characteristics table for logic level threshold and compatibility.
TIM_861 = LOW:
Used to indicate the ODD / EVEN field of the video signal when
DETECT_TRS is set LOW. The device will set the F bit in all outgoing
TRS signals for the entire period that the F input signal is HIGH
(IOPROC_EN/DIS must also be HIGH).
The F signal should be set HIGH for the entire period of field 2 and
should be set LOW for all lines in field 1 and for all lines in
progressive scan systems.
The F signal is ignored when DETECT_TRS = HIGH.
TIM_861 = HIGH:
The DE signal is used to indicate the active video period when
DETECT_TRS is LOW. DE is HIGH for active data and LOW for
blanking. See Section 4.3 and Section 4.3.2 for timing details.
The DE signal is ignored when DETECT_TRS = HIGH.
GS2972 3G/HD/SD-SDI Serializer with Complete
SMPTE Audio & Video Support
Final Data Sheet Rev. 9
GENDOC-047479 September 2013
www.semtech.com
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