# Byte 0: Manufacturer ID (MID) mid = raw_bytes[0]
"Product name contains non-ASCII"
The CID is a 16-byte (128-bit) unique identifier hardcoded into the eMMC's internal register. Unlike standard storage data, the CID is generally read-only and serves as the "fingerprint" of the chip. It contains technical metadata required for device authentication, firmware debugging, and hardware identification. Key Fields in the CID Structure emmc cid decoder
The CID is a 128-bit register containing a unique device identification number. Every eMMC device has a unique CID that cannot be modified. # Byte 0: Manufacturer ID (MID) mid =
[ CRC7 = x^7 + x^3 + 1 \quad (0x09) ]
