.. _IO: Low-Speed I/O Interfaces ######################## .. _IO/BiSS: BiSS - Bidirectional/Serial/Synchronous *************************************** :Website: `biss-interface.com `__ :Wikipedia: :wiki:`BiSS_interface` .. todo:: BiSS: To be documented .. _IO/I2C: I²C - Inter-Integrated Circuit ****************************** :Wikipedia: :wiki:`I2C` .. todo:: I²C: To be documented .. _IO/I2S: I²S - Inter-Integrated Circuit Sound ************************************ :Wikipedia: :wiki:`I2S` .. todo:: I²S: To be documented .. _IO/JTAG: JTAG **** :Wikipedia: :wiki:`JTAG` .. todo:: JTAG: To be documented .. _IO/SPI: SPI - Serial Peripheral Interface ********************************* :Wikipedia: :wiki:`Serial_Peripheral_Interface` .. todo:: SPI: To be documented .. _IO/UART: UART - universal asynchronous receiver-transmitter ************************************************** :Wikipedia: :wiki:`Universal_asynchronous_receiver-transmitter` .. todo:: UART: To be documented