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© 2014 Microsemi Corporation. All Rights Reserved.
Features
• DSP with Voice 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 (I
2
S)
• Each port provides sample rate conversion
and synchronous and asynchronous TDM bus
operation
• SPI Slave port for host processor interface
• Master SPI port 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 and Standby off power
• Full duplex operation supports AEC (up to
256 ms) in both Narrowband and Wideband
operation (8 kHz or 16 kHz respectively)
• Psychoacoustic noise reduction
• Single microphone
• Stationary noise reduction
•AGC/ALC
• Dynamic Range Compression
• Built-in support for G.712 and G.722
• Single and Dual Tone Generation
• MiTuner™ GUI Software
• Automated AEC tuning
Applications
• Hands-Free Phone and Audio capability for
Automotive applications
Description
The Microsemi AcuEdge Technology ZL38080 Hands-
Free Automotive Audio Processor is designed to
provide leading edge acoustic echo cancellation and
noise reduction for the Hands-Free Automotive market.
The ZL38080 device is a highly adaptable hardware
platform designed to support high performance audio
processing applications. The ZL38080 provides a
powerful DSP with voice specific hardware
accelerators, one digital microphone interface, two
independent 16-bit DACs, and two flexible TDM
interfaces in a single 64-pin QFN package.
The Microsemi AcuEdge Technology ZLS38080
license-free Firmware provides Acoustic Echo
Cancellation (AEC), noise reduction and a variety of
other voice enhancements to improve both the
intelligibility and subjective quality of voice in harsh
acoustic environments.
Performance
• AEC Tail Length: 256 ms
• AEC sampling rate: 8 and 16 kHz
• Single Talk TCLw: > 60 dB
• Double Talk TCLw: > 40 dB
• Double Talk Attenuation: < 3 dB
• Noise reduction up to 30 dB
Document ID# 149152 Version 2 May 2014
Ordering Information
Device OPN
(1)
Package Packing
ZL38080LDF1 64-pin QFN (9x9) Tape & Reel
ZL38080LDG1 64-pin QFN (9x9) Tray
1. The Green package meets RoHS 2 Directive 2011/65/EU of the
European Council to minimize the environmental impact of
electrical equipment.
Microsemi
®
AcuEdge™ Technology
ZL38080
Hands-Free Automotive Audio Processor
Product Brief
