Microsemi Corporation ZL38080LDG1

Description
The Microsemi AcuEdge Technology ZL38080 HandsFree Automotive Audio Processor is designed to provide leading edge acoustic echo cancellation and noise reduction for the HandsFree Automotive market.
The ZL38080 device is a highly adaptable hardware platform designed to support highperformance audio processing applications. The ZL38080 provides a powerful DSP with voicespecific hardware accelerators, one digital microphone interface, two independent 16bit DACs, and two flexible TDM interfaces in a single 64pin QFN package.
The Microsemi AcuEdge Technology ZLS38080 licensefree 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.

Features
DSP with Voice Hardware Accelerators
Dual AE DACs with output sampling up to 48 kHz and internal output drivers
4 singleended 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 InterIC Sound (IS)
SPI Slave port for host processor interface
Master SPI port for serial Flash interface
Ultralow 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
14 General Purpose Input/Output (GPIO) pins
Generalpurpose UART port
Boots from SPI, UART, or Flash allowing easy firmware updates
Can run unattended (controllerless), selfbooting into a configured operational state
Single microphone
Stationary noise reduction
AGC/ALC
Dynamic Range Compression
Builtin support for G.712 and G.722
Single and Dual Tone Generation
MiTuner™ GUI Software
Automated AEC tuning

Applications
HandsFree Phone and Audio capability for Automotive applications