The MCU performs a CRC or rolling division check (e.g., adding bytes modulo 256) to ensure zero corruption. Flash Writing
: The MCU manages low-level hardware communication, such as physical volume knobs, reverse camera triggering, steering wheel controls, and power management. cm69updatebin 2021
Typically denotes the device family, core chipset, or specific motherboard revision used in the communication equipment. The MCU performs a CRC or rolling division check (e