ISO 7816, 스마트 카드?

half duplex 방식으로 통신

[링크 : https://en.wikipedia.org/wiki/ISO/IEC_7816]

[링크 : https://www.smartcardsupply.com/Content/Cards/7816standard.htm]

 

윈도우 SDK 에도 포함되어 있네?

[링크 : https://docs.microsoft.com/en-us/windows/win32/api/winscard/]

 

[링크 : http://egloos.zum.com/moai82/v/4211968]

[링크 : https://iamkoo.tistory.com/54]

 

대충 봐서는 일반적인 UART 같긴한데

RX는 연결하지 않고 TX만으로 half-duplex 구성한다는게 신기하네?

The USART Smartcard mode supports asynchronous protocol Smartcards as defined in the ISO 7816-3 standard. With the Smartcard mode enabled, the USART must be configured as: • eight data bits plus parity; • 0.5 or 1.5 stop bits.

[링크 : https://www.st.com/resource/en/application_note/dm00255231-smartcard-interface-based-on-stm32cube-firmware-stmicroelectronics.pdf]