ZL38080
Hands-Free Automotive Audio Processor
Overview
Designed for world-class high definition voice applications, Microsemi’s new ZL380 series of audio processors features the company’s Microsemi AcuEdge™ Technology. This innovative technology is a set of highly-complex and integrated algorithms that allows the user to extract more information from the audio environment. The new Microsemi AcuEdge™ Technology consists of license-free, royalty-free intelligent audio IP algorithms. When combined with Microsemi’s highly-integrated ZL380 series of audio processors, the solution accelerates customers’ time-to-market via validated reference design and easy-to-use development tools including the Microsemi Audio Interface Box (AIB) Kit which utilizes the MiTuner™ GUI software. Microsemi AcuEdge™ Technology ZL38080 is a hardware platform designed to support advanced acoustic echo canceller and noise reduction with the ZLS38080 firmware pack for hands-free automotive application. |
Simplified Block Diagram
Typical Applications
- Hands-free car kit for automotive
Features & Benefits
- DSP with voice specific Hardware Accelerators
- Dual ΔΣ DACs with output sampling up to 48 kHz and internal output drivers
- 4 Single-Ended or 2 Differential Output Amps
- 44.1/48 kHz Stereo Music Playback with Voice
- A single Digital Microphone input supporting up to 2 Microphones
- Two TDM ports shared between PCM and Inter-IC Sound (I2S)
- Each port provides sample rate conversion and synchronous and asynchronous TDM bus operation
- SPI Slave port for host processor interface
- Master SPI ports for serial Flash interface
- 14 General Purpose Input/Output (GPIO) pins
- General purpose UART port
- Boots from SPI, UART, or Flash allowing easy firmware updates
- Can run unattended (controllerless), self booting into a configured operational state
- Ultra low power standby mode
- Full duplex operation supports AEC (up to 256 ms) in Narrowband (8 kHz sampling) or Wideband (16 kHz sampling) operation
Firmware Overview
Microsemi AcuEdge™ Technology ZLS38080 - Firmware for Hands-free Automotive
- Long tail acoustic echo cancellation length (up to 256 ms) in both Narrowband (8 kHz sampling) and Wideband (16 kHz sampling) operation
- Non-linear echo cancellation provides higher tolerance for speaker distortions
- Advanced Noise Reduction reduces background noise from the near-end speech signal using Psycho-Acoustic techniques
- 16/22 band equalizer
- Howling cancellation - prevents oscillation in echo canceller audio path
Resources
Documentation
Software Manuals
Application Notes
- ZLE38470 Automatic Tuning Kit
- Mic, Speaker & Amplifier Design Guide
- Timberwolf Host I2C Communication Protocol
Product Previews
Downloads and Drivers
- IBIS Models:
- ZL38080LDG1 IBIS
Evaluation Boards
Software URLs
Parametric Search
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Ordering
Distributor | SKU | Stock | MOQ | Pkg | |
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Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
DigiKey | ZL38080LDF1-ND | .. | Tape & Reel | No Stock |
Distributor | SKU | Stock | MOQ | Pkg | |
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Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
DigiKey | ZL38080LDG1-ND | .. | Tray | No Stock |