Otpbin Seeprombin: Upd

Purpose

otpbin: write or verify a one-time-programmable binary image (fuses/eFuses/OTP memory). seeprombin: write or verify binary image to serial EEPROM (configuration, calibration, cryptographic keys). upd: perform a combined update operation (atomic or ordered sequence) that applies otpbin and seeprombin images and finalizes device state.

Typical workflow

Prepare images:

otp.bin — final, immutable configuration (size and format fixed by hardware). seeprom.bin — EEPROM contents (calibration, device ID, mutable fields).

Validate images locally:

Check signatures/HMACs. Verify formats, lengths, checksums. otpbin seeprombin upd

Enter device update mode:

Put device into manufacturer or bootloader update state.

Run updates:

Apply otpbin (if required and permitted). Apply seeprombin. Run upd to commit and verify both writes.

Post-update verification: