A MOBILE PAYMENT SMART CARD AND ITS CONTROL METHOD

摘要

The mobile payment smart card described in the invention integrates a master chip for communication with slave chip for mobile payment through SIR The master chip communicates with mobile phone or other peripheral equipments and controls the slave chip. The smart card in the invention has contact and contactless functions. The contact functions are controlled by master chip and contactless functions by slave chip. The master chip is a soft masked chip with large capacity and able to support rapidly changing communication requirements. The control on slave chip by master chip make mobile payment smart card implement extended functions like Financial Account Query by STK and Load Over The Air by making use of telecommunication function provided by master chip. The slave chip independent from master chip performs contactless functions. The integration of two chips makes the mobile payment smart card higher stability. The physical independence of slave chip makes sure the high security of financial data.Fig. 1