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Showing results for tags 'Vref '.
Hello All! I am currently working on designing a carrier card for a board that uses a Zynq Ultrascale+ mpSoC (XCZU2CG) and we want to use the JTAG-HS3 to program the SoC via the carrier card. The HS3 datasheet states "To function correctly, the HS3’s Vref pin must be tied to the same voltage supply (VCCO_0) that drives the JTAG port on the FPGA." This 1V8 supply however is not available on our carrier board (it doesnt leave the SoC board). We do have access to a 3V3 supply from the SoC board. Can the JTAG-HS3 function if we connect the Vref supply pin to a 1V8 LDO Regulator pow
Good morning, I'm trying to program Pmod DA4, connected to Nexys 4 DDR, using VHDL. As refernce voltage I'm using the internal reference and the maximum output should be 5V, according to the AD5628 datasheet. However, my maximum output voltage doesn't exceed 2.5V. I wonder if I'm doing anything wrong or there is actually a AD5628-1 modification is used in Pmod DA4, that allows only 2.5V as the maximum output? How can I figure out what modification of AD5628 is used in Pmod DA4? Thank you in advance. Best regards, Alex dig2an.vhd