Bus Doctor RX - SD/SDIO/MMC/CE-ATA Protocol Analyzer The Bus Doctor™ RX SD/SDIO pod protocol analyzer allows storage, silicon, and design engineers working with this technology to capture, decode and analyze bus states, command tokens, and response tokens, and to measure bus performance. The Bus Doctor's interface is intuitive and employs the Bus Doctor legendary easy-to-use GUI software, making it the ideal analyzer for anyone developing SD/SDIO hosts, devices, drivers, and consumer electronic products