Hi Community,
I'm an Application Engineer and I need to design an interposer board that connects to an FPGA module. More specifically, the module is an ALINX AC7100B, which uses Xilinx Artix-7 XC7A100T FPGA.
I heard complaints from my colleagues that some FPGAs do not have pads with Schmitt Triggers nor glitching filters and they observed glitches on I2C SCL (serial clock) line that corrupted the data.
My question is how can I know if the Artix-7 XC7A100T FPGA does have the option to use Schmitt Triggers (and glitching filters) in the regular I/O input pads? I cannot find the FPGA datasheet on the web.
If the FPGA does not support the above, I will need to add Schmitt Triggers in my PCB (like the SN74LVC1G17), but this complicates the design because these kind of buffers are uni-directional.
Thank you in advance for your help.
Regards,
Jorge
I'm an Application Engineer and I need to design an interposer board that connects to an FPGA module. More specifically, the module is an ALINX AC7100B, which uses Xilinx Artix-7 XC7A100T FPGA.
I heard complaints from my colleagues that some FPGAs do not have pads with Schmitt Triggers nor glitching filters and they observed glitches on I2C SCL (serial clock) line that corrupted the data.
My question is how can I know if the Artix-7 XC7A100T FPGA does have the option to use Schmitt Triggers (and glitching filters) in the regular I/O input pads? I cannot find the FPGA datasheet on the web.
If the FPGA does not support the above, I will need to add Schmitt Triggers in my PCB (like the SN74LVC1G17), but this complicates the design because these kind of buffers are uni-directional.
Thank you in advance for your help.
Regards,
Jorge