TUSB9261 Flash Burner - Interface forum - Interface - TI E2E support forums
USB to SPI breakout board using MCP2210 (Part 1) - YouTube
CSR USB SPI Programmer,USB-to-SPI Converter For Debug Manufacturers and Suppliers - Wholesale Products - FEASYCOM
CSR USB-SPI programmer
Uts2210 Usb To Spi Master Hid Mcp2210 Converter Adapter Gpio Diy Rc Electronic Toy Robot Development Board Mcu Uno - Parts & Accs - AliExpress
USB Port Converter Module, USB To UART IIC SPI TTL ISP EPP MEM CH341A Chip USB Serial Port Adapter With Working Status Indicator For Program Debugging - Walmart.com
Adafruit FT232H Breakout - General Purpose USB to GPIO, SPI, I2C [USB C & Stemma QT] : ID 2264 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
iConnectivity : USB HOST TO SPI CONVERTER MODULE
FT220XQ - FTDI
Yocto-SPI - USB to SPI adapter (TTL 3.3V or 5V), driver-free