GS2972 Datasheet, PDF (3/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support

Functional Block Diagram
AUDIO_INT
GRP1_EN/DIS
GRP2_EN/DIS
Ain_1/2
Ain_3/4
Ain_5/6
Ain_7/8
ACLK1
ACLK2
WCLK1
WCLK2
ANC_BLANK
F/DE
V/VSYNC
H/HSYNC
TIM_861
20BIT/10BIT
DIN[19:0]
PCLK
Input
Mux/
Demux
JTAG
Controller
GSPI
Host
Interface
SMPTE ST 425
Level A to Level B
1080p 50/60 4:2:2 10-bit
HANC/
VANC
Blanking
SMPTE ST 352
Generation and
Insertion
3G/HD/SD
Audio
Embedding
ANC Data
Insertion
TRS , Line
Number
and CRC
Insertion
EDH
Packet
Insertion
NRZ/NRZI
SMPTE
Scrambler
Mux
Parallel to Serial
Converter
SMPTE
Cable
Driver
AVDD
AGND
PLL_VDD
PLL_GND
VCO_VDD
VCO_GND
CD_VDD
CD_GND
RSET
SDO
SDO
SDO_EN/DIS
DVB-ASI
8b/10b
Encoder
PLL with Low Noise
VCO
Narrow BW PLL
LOCKED
Figure A: GS2972 Functional Block Diagram
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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