【Atmel】CryptoAuth ATSHA204安全芯片

　　The ATSHA204 device includes an Electrically Erasable Programmable Read-Only Memory （EEPROM） array that can be used for storage of keys，miscellaneous read/write，read-only or secret data，consumption logging，and security configuration。 Access to the various sections of memory can be restricted in a variety of ways and the configuration then locked to prevent changes. See Section 2.1，“EEPROM Organization” for more details。