JCOP20 overview: JCOP20 is the entry Public Key (RSA) edition of JCOP. This product targets the higher-end banking market. It is available on 36kB EEPROM chips.
Basic specifications.
JCOP is an IBM implementation of the Java Card 2.2.1 and Global Platform 2.1.1 basic specifications including refinements from Visa International set in the Visa OpenPlatform Card Implementation Guides. All necessary clarifications from ISO7816 and EMV 2000 are also incorporated into the implementation where so required by the Java Card 2.2.1 and Global Platform 2.1.1 specifications.
Its successor, JCOP20v2.0 is compliant with the Visa OpenPlatform Card Implementation Requirements Configuration 2 with PK, Version 2.0 from February 2002.
More information:
Communications (supported protocols and supported speeds)
Memory availability for applications (EEPROM, RAM and ROM)
Supported optional features (JCOP-implemented features listed in the Java Card 2.2.1 and Global Platform 2.1.1 specifications but not specified as mandatory)