nRF5x connection with Smartcard (ISO7816) via USART

[Valer_I]

Hello, Is it possible to configure nRF's USART to work with Smartcards (ISO 7816)?

The ISO7816 specification defines the bit rate with the following formula: B=(Di/Fi)*f ,where: B is the bit rate, Di is the bit-rate adjustment factor, Fi is the clock frequency division factor, f is the ISO7816 clock frequency (Hz) ).

The example code will make me happy).

[Einar Thorsrud]

Neither the nRF51 nor the nRF52 has USART (universal synchronous/asynchronous receiver/transmitter), only UART. I do not know of any example on using the nRF51/52 to communicate with a smart card. An option could be to use a smart card interface IC or bit-banging.

[Valer_I]

Ok, now I see, thank you!