Quick secure startup device for embedded system

The utility model discloses a quick secure startup device for an embedded system. The quick secure startup device comprises a flash memory, an external random access memory and a micro-control unit with an internal random access memory. Data lines of the flash memory and the external random access memory are both connected with a data bus of the micro-control unit, and address lines of the flash memory and the external random access memory are both connected with an address bus of the micro-control unit. The quick secure startup device further comprises a cyclic redundancy check code checker, a data line of the cyclic redundancy check code checker is connected with the data bus of the micro-control unit, and an address line of the cyclic redundancy check code checker is connected with the address bus of the micro-control unit. The quick secure startup device can quickly and securely start up the embedded system.