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Description
When programming the EM064LX MRAM memory, which is used with the xc7a200t device, the JEDEC ID cannot be found; the reported JEDEC ID is 0xff.
there are detailed logs:
mccc@mccc-MS-Terminator-B760M-D5:~$ openFPGALoader -c jtag-smt2-nc --fpga-part xc7a200tsbg484 -f /media/mccc/Software/ZYX/Xlinx/TestProject/JTAGTEST/JTAGTEST.runs/impl_1/FLASHING.bit --unprotect-flash
empty
write to flash
Jtag frequency : requested 6.00MHz -> real 6.00MHz
Open file DONE
Parse file DONE
use: /usr/local/share/openFPGALoader/spiOverJtag_xc7a200tsbg484.bit.gz
load program
Load SRAM: [==================================================] 100.00%
Done
Shift IR 35
ir: 1 isc_done 1 isc_ena 0 init 1 done 1
jtag_chain_len: 1
SOJ version: 2.000000
Detail:
Jedec ID : ff
memory type : ff
memory capacity : ff
flash chip unknown: use basic protection detection
unlock blocks
disable protection failed
mccc@mccc-MS-Terminator-B760M-D5:~$ openFPGALoader -c jtag-smt2-nc --fpga-part xc7a200tsbg484 -f /media/mccc/Software/ZYX/Xlinx/TestProject/JTAGTEST/JTAGTEST.runs/impl_1/FLASHING.bit -v
empty
write to flash
Jtag frequency : requested 6.00MHz -> real 6.00MHz
found 1 devices
index 0:
idcode 0x3636093
manufacturer xilinx
family artix a7 200t
model xc7a200
irlength 6
File type : bit
Open file DONE
Parse file DONE
bitstream header infos
date: 2026/02/06
design_name: FLASHING
hour: 11:12:15
part_name: 7a200tfbg484
toolVersion: 2024.2
userID: 0XFFFFFFFF
use: /usr/local/share/openFPGALoader/spiOverJtag_xc7a200tsbg484.bit.gz
load program
Load SRAM: [==================================================] 100.00%
Done
Shift IR 35
ir: 1 isc_done 1 isc_ena 0 init 1 done 1
jtag_chain_len: 1
SOJ version: 2.000000
4b ff ff ff ff ff ff ff ff ff 00
0b 66 ff
0b 99 ff
0b d5 77
2b f9 00 00 00 00 00
ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
ff ff ff ff
ff ff ff ff read ffffffff
Detail:
Jedec ID : ff
memory type : ff
memory capacity : ff
13 a0 00 00
ff ff ff ff
ff ff ff ff
ff
13 a0 00 00
ff ff ff ff
ff ff ff ff
ff
RDSR : 0xfc
WIP : 0
WEL : 0
BP : f
TB : 1
SRWD : 1
flash chip unknown: use basic protection detection
13 a0 00 00
ff ff ff ff
ff ff ff ff
ff
unlock blocks
Error: block protection is set
can't unlock without --unprotect-flash
Please help me and tell me what to do next.
Thanks
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