GS2972 Datasheet, PDF (27/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support

IO_VDD
200Ω
Input Pin
Figure 3-4: Digital Input Pin with weak pull-down - maximum pull-down
current <110µA (JTAG/HOST, STANDBY, SCLK_TCK, SDIN_TDI, TCK, TDI)
IO_VDD IO_VDD
200Ω
Input Pin
Figure 3-5: Digital Input Pin with weak pull-up - maximum pull-up current
<110µA (ACLK1, ACLK2, AIN_7/8, AIN_5/6, AIN_3/4, AIN_1/2, CS_TMS,
GRP1_EN/DIS, GRP2_EN/DIS, IOPROC_EN/DIS, SDO_EN/DIS, TMS, WCLK1,
WCLK2)
IO_VDD
200Ω
Output Pin
Figure 3-6: Bidirectional Digital Input/Output Pin with programmable drive
strength. These pins are configured to input at all times except in test mode.
(DIN0, DIN2, DIN3, DIN4, DIN5, DIN6, DIN7, DIN8, DIN9, DIN10, DIN11, DIN12,
DIN13, DIN14, DIN15, DIN16, DIN17, DIN18, DIN19, DIN1)
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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