Trenz Electronic Products > Trenz Electronic FPGA Modules

Flashing TE0725LP-01-72C-1U XMOD-JTAG adapter TE0790 / JTAG-SMT3-NC

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naveen-krishnan:
Hello,
I am a newbie to FPGA programming, please could anyone help me out with the JTAG adapters for flashing. Right now we are using Arty A7 development board for our project and we are moving to TE0725LP-01-72C-1U for the finished product. The Trenz Wiki has mentioned to use XMOD-JTAG adapter TE0790(which has inbuilt CPLD), but in our project we would like to us JTAG-SMT3-NC(which has NO inbuilt CPLD), which is very compact and easily solderable in our application board. I tried to find answers why the signals of JTAG and UART are routed through CPLD instead of direct connection to the FPGA but could not find one. 

Please could anyone let us know if we can use JTAG-SMT3-NC for programming the TE0725LP-01-72C-1U or I need XMOD-JTAG adapter TE0790 to program?

Thanks in advance.

Regards,
Naveen

JH:
Hi,
 JTAG-SMT3-NC is also possible. you most only connect all JTAG and UART pins correctly between programmer and TE0725LP module
Schematics of the module is available on the download area: https://shop.trenz-electronic.de/en/TE0725LP-01-72C-1U-FPGA-Module-with-Xilinx-Artix-7-100T-Variante-2L-2-x-50-Pin-1.8V-supply?path=Trenz_Electronic/Modules_and_Module_Carriers/3.5x7.3/TE0725LP/REV01/Documents
br
John

naveen-krishnan:
Hello John,
Thanks for your quick reply. That is indeed a great thing for us.
Please may I know the purpose of CPLD in XMOD-JTAG adapter TE0790 ?

Thanks in advance.

Regards,
Naveen

 

JH:
Level translator and you can change pinout and functionality if needed.
br
John

naveen-krishnan:
Thanks for helping out.

Regards,
Naveen

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