Transaction system based on embedded data protection
A data protection and transaction system technology, which is applied in the field of transaction systems, can solve the problems of poor data confidentiality performance in bulk commodity transaction systems, and achieve the effect of preventing merchants from stealing transaction information and improving confidentiality performance
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[0016] Such as figure 1 As shown, the transaction system based on embedded data protection includes PCI interface chip, timing programmable logic device, EEPROM module, dual-port RAM, level conversion module and processor, PCI interface chip is connected with dual-port RAM, and timing is programmable One end of the logic device is connected to the PCI interface chip, the other end is connected to the dual-port RAM, the EEPROM module is connected to the PCI interface chip, one end of the level conversion module is connected to the dual-port RAM, and the other end is connected to the processor, and the processor is connected to the PCI interface Chip connection; in the present embodiment, processor uses ARM processor S3C2410, and it is a kind of advanced embedded system control master template, has small size, high system main frequency, large storage capacity, is provided with external interrupt, debugging interface, bus Advantages of interface and USB interface, among which th...
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