Tigard

Tigard is an open source FT2232H-based, multi-protocol, multi-voltage tool for hardware hacking. By incorporating commonly used pin-outs, a labelled wiring harness, onboard level-shifting, and a logic analyzer connection, it is designed specifically for attaching to and communicating with low-speed interfaces on reverse-engineered hardware targets.

Features & Specifications

• USB Type C high-speed (480 Mbps) interface
• FTDI FT2232HQ Dual High Speed USB to Multipurpose UART/FIFO IC
  • Primary port dedicated to UART including access to all flow control signals
  • Secondary port shared among dedicated headers for SWD, JTAG, SPI, and I²C
• High-performance directional level-shifters for 1.8 to 5.5 V operation
• Switch to choose between on-board 1.8 V, 3.3 V, 5.0 V, and off-board vTarget supplies
• Switch to choose between SPI/JTAG and I²C/SWD modes
• Logic analyzer (LA) port to observe device-level signals
• Indicator lights to aid debugging

Software Support
In general, Tigard was designed to work as-is with several tools and libraries that already support the x232H family of chips. This includes:

• USB-Serial drivers for UART access
• OpenOCD and UrJTAG for JTAG
• Flashrom, PyFtdi/PySpiFlash, LibMPSSE, and other tools for SPI interfaces
• LibMPSSE and PyFtdi/PyI2CFlash for I²C interfaces

Tigard Case