Read Flash Contents - Read Flash Contents - 2026.1 English - UG908

readback

Read a range of flash contents to a binary file. All three options are required.

• --offset <HEX> — flash start address
• --size <HEX> — number of bytes to read
• --output <PATH> — output file path

cfgmem_util readback --url oyster11 --flash-type ospi-single-x8 \
 --offset 0x0 --size 0x10000 --output readback.bin

Example output:

Readback: offset=0x00000000, size=0x00010000 (64 KB)... OK (wrote readback.bin)