GS2972 Datasheet, PDF (26/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support

3. Input/Output Circuits
CD_VDD
SDO SDO
I _REF
Figure 3-1: Differential Output Stage (SDO/SDO)
IO_VDD
200Ω
Input Pin
Figure 3-2: Digital Input Pin (20bit/10bit, ANC_BLANK, DETECT_TRS, DVB_ASI,
RATE_SEL0, SMPTE_BYPASS, RATE_SEL1, TIM_861, F/DE, H/HSYNC, PCLK,
V/VSYNC)
IO_VDD
200Ω
Input Pin
Figure 3-3: Digital Input Pin with Schmitt Trigger (RESET)
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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