Weak current College】 【non-contact smart card technology parameters】.

<br> <br> <br> 1.1. dimensions: 54mmX86mmX0.81mm <br> <br> 1.2. capacity: 22byte <br> <br> 256byte <br> 1kbyte <br> 8kbyte <br> <br> 1.3. .reading and writing time: read 5ms/byte read 2.5ms/byte <br> <br> Write byte write 20ms/5ms/byte <br> <br> 1.4. material: PVC materials <br> <br> 1.5. life: .write 10 million times, read infinite times <br> <br> Read and write data to save once after 10 years <br> <br> 1.6. environment: operation temperature-20 ° c - 70 ° c <br> <br> .Storage temperature-30 ° c-80 ° c <br> <br> 2. non-contact smart cards, internal partitions <br> Non-contact smart cards, internal is divided into two parts: System area (CDF) user area ( .ADF) <br> System area: card manufacturers and system developers and card issuers. <br> Users zone: used to store cardholder data information. <br> <br> 2.1. system structure: <br> The system contains a total of .9 bytes, its distribution see table 1: <br> <br> Byte No Addr Bit Abbreviation <br> <br> 1 0 0 --- 7 MCD <br> <br> 2 --- 4 1.2.3 0 - .- 23 MSN <br> <br> 5 4 0 --- 7 MCC <br> <br> 6 --- 7 5,6 0 --- 15 DCF <br> <br> 8 7 0 --- .6 WRC / WRP <br> <br> 8 7 7 RD <br> <br> 9 8 0 --- 7 SSC <br> <br> <br> Description: <br> (1) MCDManufactureCode.1 bytes, .stored value, typically in 00H --- FFH patent holder's number. The factory has been set and cannot be changed. <br> <br> (2) MSNManufactureSerialNo.3 bytes valid values: 224 = 16,777,215 (for each MCD), the .factory has been set and cannot be replaced. <br> <br> (3) MCCManufacturecheckcharacter1 bytes <br> <br> <br> <br>.