Print Page - TE0701 and TE0820 connectivity

Title: TE0701 and TE0820 connectivity
Post by: shp on June 09, 2021, 03:52:26 AM

Hi,

I am trying to find where the FPGA pins AC9 and AB3 (TE0820 board pins B64_L1_P and B64_L15_N respectively) connect on the carrier board TE0701. (schematic: https://shop.trenz-electronic.de/trenzdownloads/Trenz_Electronic/Modules_and_Module_Carriers/4x5/TE0820/REV04/Documents/SCH-TE0820-04-3BE21FA.PDF (https://shop.trenz-electronic.de/trenzdownloads/Trenz_Electronic/Modules_and_Module_Carriers/4x5/TE0820/REV04/Documents/SCH-TE0820-04-3BE21FA.PDF))

The information is not available in the pinout table: https://shop.trenz-electronic.de/trenzdownloads/Trenz_Electronic/Pinout/TE0701_FMC_PINOUT.pdf (https://shop.trenz-electronic.de/trenzdownloads/Trenz_Electronic/Pinout/TE0701_FMC_PINOUT.pdf).

Eventually I want to use these pins for I2C commn but just wanted to make sure where these are connected on the carrier board.

Thanks,
Sharath

Title: Re: TE0701 and TE0820 connectivity
Post by: JH on June 09, 2021, 06:27:24 AM

Hi,
they go to the CPLD U14.
You can use our pinout planner:
https://shop.trenz-electronic.de/en/Download/?path=Trenz_Electronic/Pinout
4x5_series_pinout_tracelength.xlsx

or schematics:
https://shop.trenz-electronic.de/en/Download/?path=Trenz_Electronic/Modules_and_Module_Carriers/4x5/TE0720/REV03/Documents
https://shop.trenz-electronic.de/en/Download/?path=Trenz_Electronic/Modules_and_Module_Carriers/4x5/4x5_Carriers/TE0701/REV06/Documents

TE0701 CPLD description and source code:
https://wiki.trenz-electronic.de/display/PD/TE0701+CPLD+Firmware
https://wiki.trenz-electronic.de/display/PD/TE0701+CPLD
https://shop.trenz-electronic.de/en/Download/?path=Trenz_Electronic/Modules_and_Module_Carriers/4x5/4x5_Carriers/TE0701/REV06/Firmware

br
John

Title: Re: TE0701 and TE0820 connectivity
Post by: shp on June 09, 2021, 02:25:39 PM

Hi John,

Thank you for your response; it is very helpful.

I have a couple of components on my custom board with I2C interface whose SCL, SDA are connected to the FMC_SCL, FMC_SDA pins (C30, C31 on J10).

If I issue I2C commands from the FPGA (on TE0820 board), will the CPLD U14 pass on the the signals to FMC_SCL, FMC_SDA? (and eventually to the components on the I2C bus)

Thanks,
Sharath

Title: Re: TE0701 and TE0820 connectivity
Post by: JH on June 11, 2021, 06:45:01 AM

Hi,

Quotewill the CPLD U14 pass on the the signals to FMC_SCL, FMC_SDA? (and eventually to the components on the I2C bus)

yes, tree wire I2C to 2 wire I2C, see:
https://wiki.trenz-electronic.de/display/PD/TE0701+CPLD#TE0701CPLD-FMCI2C
br
John

Title: Re: TE0701 and TE0820 connectivity
Post by: shp on June 11, 2021, 07:36:01 PM

I get it now. Thanks again!

-Sharath

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Trenz Electronic Products => Trenz Electronic FPGA Modules => Topic started by: shp on June 09, 2021, 03:52:26 AM