Portable electronic device
A technology for portable electronic devices and external devices, applied in the directions of safety devices, safety communication devices, electrical components, etc., can solve problems such as low safety
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[0013] Hereinafter, embodiments will be described with reference to the drawings. In the following description, an IC card is used as an example of a portable electronic device.
[0014] figure 1 It is a block diagram for explaining a configuration example of an IC card processing system 10 including an IC card 2 as a portable electronic device according to the embodiment and an IC card processing device 1 as an external device communicating with the IC card 2.
[0015] in figure 1 In the illustrated configuration example, the IC card processing device 1 has a CPU 11, a ROM 12, a RAM 13, an NVM 14, a card reader / writer 15, an operation unit 16, a display 17, and the like. These parts are connected to each other via a data bus. In addition, the IC card processing device 1 can also be used in addition to figure 1 In addition to the structure shown, a structure corresponding to necessity is provided or a specific structure is omitted.
[0016] The CPU 11 (processing unit) has a functi...
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