Keterex
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Keterex develops mixed-signal integrated circuits (ICs) and systems to address the unique challenges embedded systems engineers face. Keterex combines its expertise in mixed-signal design, embedded firmware development, and electronic systems manufacturing to create innovative and affordable products for industrial consumer applications. The innovative product portfolio offered by Keterex includes the KX1400 Audio Playback IC, which plays pre-recorded 8KHz audio data and enables embedded systems designers to add voice prompts and sound effects to a design quickly and easily.
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Keterex USB-910H Embedded Systems Interface
The Keterex USB-910H Embedded Systems Interface lets you turn a PC into an SPI, I²C, SMBus, or parallel GPIO controller. The Keterex USB-910H provides connectivity between a host PC and an embedded system requiring an I²C, SMBus, or SPI protocol. This embedded systems interface can support other protocols by bit-banging up to 9 available general-purpose I/O (GPIO). USB transactions are generated on the host PC using either the Keterex USB-900 Control Center application or calls to a provided API. The Keterex USB-910H adapter converts these transactions to I²C, SMBus, SPI, or GPIO operations. The USB-910H provides configurable I/O voltage levels from 1.65V to 5V. The voltage can be connected to the target hardware, providing up to 400mA to the target device.
Keterex KX1400 Audio Playback ICs
The Keterex KX1400 audio playback IC is designed to play 8kHz audio data directly to an external speaker via an on-chip digital audio processor and Class-D driver. This Keterex audio playback IC supports both 12-bit PCM and 4-bit IMA ADPCM data formats. The KX1400 also has a built-in tone generator capable of generating tones at 4096 different frequencies. The on-chip audio processor alleviates the need for an external low-pass filter in most cases. The Keterex KX1400 audio playback IC uses low power CMOS technology and provides a stand-by power-savings state, making it ideal for battery powered applications.
