| 摘要 |
Special application integrated circuit, which comprises: a first block 1 that forms the interface between a microprocessor and the remaining blocks; a second, interrupt management block 2; a third, memory addressing management block 3, for performing the function of reassigning addresses of the microprocessor's external memory and for generating interrupt signals; a fourth, magnetic strip reader block 4, for performing the function of aligning signals corresponding to the data tracks of a magnetic strip card; a fifth block 5, with asynchronous communication channels suitable for operating in UART mode or as a smart card interface; a sixth block 6 for performing clock, calendar and alarm functions; a seventh block 7 for performing the function of supervising the running of the software; and an eighth block 8 with the integrated circuit's power supplies. <IMAGE>
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