Signalyzer SHA20: USB to Dual-Channel JTAG, SPI, I2C, UART and SWD Interface The Signalyzer SHA series of USB-to-serial protocol bridges is available in single-, dual- or quad-channel design. This model, SHA20, is the dual-channel version. The fully independent and configurable channels provide support for the most popular serial protocols (JTAG, SPI, I2C, UART and SWD), as well as custom serial and parallel protocols via bit-bang mode. The Signalyzer Library, downloadable below, is an easy-to-use Application Program Interface (API), designed to give you complete access to the Signalyzer functionality and support for SPI, I2C, JTAG, SWD and FIFO protocols, allowing easy integration with a wide range of other systems such as development/evaluation boards, test and manufacturing systems and more. Develop custom solutions with C/C++, C#, VB, .NET, Tcl/Tk, Python, Javascript and Node.js, Labview Quickly create an interface to target hardware using SPI, I2C, JTAG, SWD, FIFO, UART and BitBang modes Implement custom protocols Clean API is well documented and easy to integrate Fully Windows, Linux, and Mac OS X compatible Royalty-free API can be used without licensing fees Signalyzer SHA20 Features - Modular design approach for most flexibility
- USB powered
- USB 2.0 High Speed (USB 2.0 up to 480Mbps)
- 100mA average power consumption (with no external connections)
- Two independent configurable channels
- 48 configurable GPIO pins
- Two auxiliary I2C ports
- 16 auxiliary ADC inputs
- All GPIOs are 5V tolerant
- Software-controlled switched 5V DC outputs with soft start, overcurrent and thermal protection (requires powered USB hub)
- ESD protection up to 2000V
- UART, I2C, SPI, JTAG, and SWD protocols
- Custom serial and parallel protocols utilizing bit-bang interface
- Dimensions: 45 × 45 × 13 mm
JTAG Specifications - JTAG Master Interface
- TCK clock rate up to 30 MHz
- True RTCK support
SPI Specifications - SPI Master Interface
- Maximum CLK speed up to 30 MHz
- SPI modes 0, 1, 2, and 3
- Multiple Chip Selects
- Active-Low/Active-High Chip Select
I2C Specification Auxiliary Interface Specifications - 10-bit ADC with measurement range from 0V to 4.096V
- Field-upgradeable applications
- Three software-controlled bi-color LEDs
- I2C port
SHA Series Comparison | | SHA10 | SHA20 | SHA40 | Number of ports
excl. AUX port | 1 | 2 | 4 | Number of GPIO
incl. AUX port | 24 | 48 | 48 | | Max. AUX ADC inputs | 8 | 16 | 16 | | Max. AUX I2C ports | 1 | 2 | 2 | Signalyzer SHA20 Resources Third-party tools that can be used with Signalyzer - OpenOCD — Open On-Chip Debugger. Free and Open On-Chip Debugging, In-System Programming and Boundary-Scan Testing.
- UrJTAG — UrJTAG aims to create an enhanced, modern tool for communicating over JTAG with Flash chips, CPUs and more. It takes on the well proven openwince JTAG tools code.
- Tessent SiliconInsight — The Tessent SiliconInsight solution from Mentor Graphics provides an automated interactive environment for test bring-up, debug and silicon characterization of device containing Tessent BIST or Tessent IJTAG test structures.
Be sure to pick up some M-F Jumper Wires or F-F Jumper Wires if you need some.
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