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General Discussions

anooja
Journeyman III
‎09-27-2023 12:49 AM

How to select an EMMC to be used as primary boot device in zynq ultrascale+?

According to the errata document EN285 (v1.14) August 14, 2023,   
"Primary Boot Is Not Supported With eMMC Devices That Require CMD6 Busy Time Greater Than 1 ms".  

At   the  same time , MTFC32GAZAQHD-IT is listed as one of the emmc device which is tested okay for being used as primary boot device. But according to its data sheet GENERIC_CMD6_TIME is found to be 100ms.

So my doubt here is

1. If  'GENERIC_CMD6_TIME' from emmc datasheet   and 'CMD6 Busy Time' from   errata  refer to the same parameter ?

2. If so how is it possible to use MTFC32GAZAQHD-IT as primary boot device ?

3. If not where to find the 'CMD6 Busy Time' for MTFC32GAZAQHD-IT?

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goodplay
MVP
‎09-27-2023 06:56 AM

Probably better to ask at https://www.xilinx.com/support.html

My PC- Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T.
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