For demonstration, test and development purposes, it is convenient to communicate with CTU chips using a PC. The CTU Adapter converts between the SPI interface of CTU chips and the USB interface of a PC.
The CTU Adapter is an SPI master and the CTU is an SPI slave.
The Streaming Adapter is recommended in place of the CTU Adapter for new designs. When connected to a PC's USB port, it allows the PC to run CambridgeIC's latest CTU Streaming Demo software.