ST21Y068 is a smartcard MCU with 68 KBytes high density EEPROM. Its major applications include mobile communications (GSM and CDMA) and Java applications. Hardware features include an enhanced 8/16-bit CPU core, 16 MBytes linear addressable memory, 248 Kbytes User ROM, 6 Kbytes User RAM, and 68 Kbytes User EEPROM.