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# Example questions:
➢ What are the key features of the zle38040 evaluation kit and how does it aid in evaluating the zl38040 audio processor?
➢ What types of acoustic echo cancellation does the zls38040 firmware support, and what is the maximum tail length supported?
➢ What are some of the power saving features of the zl38040, and what are its performance metrics for single and double talk tclw?
| Part No. | ZL38040 |
| Manufacturer | MICROSEMI |
| Size | 1Mb |
| Pages | 6 pages |
| Description | Timberwolf Digital Signal Processor family, powered by AcuEdge™ Technology |
1. Overview & Purpose
️· Product: Microsemi ZL38040 audio processor, part of the Timberwolf Digital Signal Processor family.
️· Technology: Powered by Microsemi's AcuEdge™ Technology.
️· Purpose: Designed specifically for IP Speakerphones and telepresence systems.
️· Evaluation Kit: The ZLE38040 evaluation kit is available, along with software (MiTuner™ GUI).
2. Key Features & Functionality
️· Acoustic Echo Cancellation (AEC): Supports wideband and narrowband AEC with up to 3 microphones, long tail AEC (up to 256ms). Includes G.168 Line Echo Canceller and non-linear echo cancellation.
️· Noise Reduction (NR): Advanced Psychoacoustic NR to reduce background noise.
️· Keypad Scanning: Supports a 7x7 keypad array.
️· Encoding/Decoding: Supports various options (16-bit 2’s complement, G.722, G.711 A/μ law).
️· Equalizers: 16-band (Narrowband) and 22-band (Wideband) send/receive equalizers.
️· Tone Generation: Programmable DTMF generation and reception, Caller ID detection, Call Progress tone detection.
️· Hardware Accelerators: DSP with voice hardware accelerators.
️· Connectivity: Dual DACs, TDM ports, SPI ports, UART, GPIO.
️· Firmware Updates: Can boot from SPI, UART, or Flash.
3. Hardware Specifications
️· Package: 64-Pin QFN (9x9)
️· DAC Output: Capable of 4 single-ended or 2 differential outputs (32mW into 16 ohms).
️· Crystal-less Operation: Can operate without a crystal (with a valid TDM clock).
️· Power: Ultra-low and Standby off power.
4. Performance Metrics
️· Single Talk TCLw: > 60 dB
️· Double Talk TCLw: > 40 dB
️· Double Talk Attenuation: < 3 dB
️· Noise Reduction: Up to 30 dB
5. Software Tools & Support
️· MiTuner™ GUI: Software for automatic tuning of system parameters. Allows visual representation of audio paths and building blocks.
️· Evaluation Kit: ZLE38040BADA, includes USB cable, headset with extension cable, and speaker.
️· Audio Interface Box: Optional, for auto tuning (ZLE38470BADA)
6. Important Notes
️· The product meets RoHS 2 Directive 2011/65/EU.
️· Specifications and information are subject to change without notice.
️· Not suitable for use in applications where failure could cause significant injury or death.
1. Overview & Purpose
️· Product: Microsemi ZL38040 audio processor, part of the Timberwolf Digital Signal Processor family.
️· Technology: Powered by Microsemi's AcuEdge™ Technology.
️· Purpose: Designed specifically for IP Speakerphones and telepresence systems.
️· Evaluation Kit: The ZLE38040 evaluation kit is available, along with software (MiTuner™ GUI).
2. Key Features & Functionality
️· Acoustic Echo Cancellation (AEC): Supports wideband and narrowband AEC with up to 3 microphones, long tail AEC (up to 256ms). Includes G.168 Line Echo Canceller and non-linear echo cancellation.
️· Noise Reduction (NR): Advanced Psychoacoustic NR to reduce background noise.
️· Keypad Scanning: Supports a 7x7 keypad array.
️· Encoding/Decoding: Supports various options (16-bit 2’s complement, G.722, G.711 A/μ law).
️· Equalizers: 16-band (Narrowband) and 22-band (Wideband) send/receive equalizers.
️· Tone Generation: Programmable DTMF generation and reception, Caller ID detection, Call Progress tone detection.
️· Hardware Accelerators: DSP with voice hardware accelerators.
️· Connectivity: Dual DACs, TDM ports, SPI ports, UART, GPIO.
️· Firmware Updates: Can boot from SPI, UART, or Flash.
3. Hardware Specifications
️· Package: 64-Pin QFN (9x9)
️· DAC Output: Capable of 4 single-ended or 2 differential outputs (32mW into 16 ohms).
️· Crystal-less Operation: Can operate without a crystal (with a valid TDM clock).
️· Power: Ultra-low and Standby off power.
4. Performance Metrics
️· Single Talk TCLw: > 60 dB
️· Double Talk TCLw: > 40 dB
️· Double Talk Attenuation: < 3 dB
️· Noise Reduction: Up to 30 dB
5. Software Tools & Support
️· MiTuner™ GUI: Software for automatic tuning of system parameters. Allows visual representation of audio paths and building blocks.
️· Evaluation Kit: ZLE38040BADA, includes USB cable, headset with extension cable, and speaker.
️· Audio Interface Box: Optional, for auto tuning (ZLE38470BADA)
6. Important Notes
️· The product meets RoHS 2 Directive 2011/65/EU.
️· Specifications and information are subject to change without notice.
️· Not suitable for use in applications where failure could cause significant injury or death.
| Part No. | ZL38040 |
| Manufacturer | MICROSEMI |
| Size | 1Mb |
| Pages | 6 pages |
| Description | Timberwolf Digital Signal Processor family, powered by AcuEdge™ Technology |
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