Silicon Laboratories Introduces Class D ToolStick Evaluation Kit
Silicon Laboratories released their Class D ToolStick evaluation kit. The evaluation kit enables developers to add digital Class D audio capabilities to 32-bit embedded designs based on Silicon Labs’ feature-rich SiM3U1xx Precision32 microcontrollers (MCUs). The Class D ToolStick evaluation kit includes full source code and implements a Class D amplifier demonstration using a small-footprint 40-pin 6 mm x 6 mm package SiM3U1xx MCU. The USB-based kit is available now. It is priced at $35.
The Class D ToolStick helps developers to quickly and easily add Class D audio capabilities and capacitive touch buttons and sliders to any 32-bit embedded product using Silicon Labs’ SiM3U1xx MCUs. The kit also enables developers to add capacitive touch buttons and sliders to their 32-bit embedded systems or use the SiM3U1xx MCU’s high-drive I/Os with pulse-width modulation (PWM) to directly drive other components such as small motors, eliminating the need for separate power field-effect transistors (FETs).
The Class D ToolStick board is powered from USB using the SiM3U1xx MCU’s internal 5 V regulator, and it can play music from a stereo jack, a computer or a recorded message using a simple speaker. The Class D ToolStick features four modes of operation: sampling data from a portable music player using the MCU’s on-chip ADCs, USB audio streaming from a PC, playing pre-recorded sound clips stored from on-chip flash memory using a common audio compression algorithm, and a voice recorder that stores data in flash using an audio compression algorithm. Developers can easily handle mode transition through capacitive touch buttons and control volume with a capacitive touch slider.
The Class D ToolStick evaluation kit comes complete with hardware Gerber files and software to streamline the process of adding Class D audio to embedded applications. In addition, the ToolStick can serve as a cost-effective, general-purpose development platform for Precision32 MCUs. It features a built-in USB-based debugger/programming interface and accessible pins for easy prototyping. The Class D ToolStick debug interface is fully operational with Silicon Labs’ complimentary Precision32 IDE, compiler and AppBuilder crossbar configuration software, as well as Keil tool chains.
More info: Silicon Laboratories Class D ToolStick Evaluation Kit
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