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ZL38052 Datasheet

Timberwolf Digital Signal Processor

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Timberwolf Digital Signal Processor family,
powered by AcuEdge™ Technology
Designed for IP Cameras with Sound Classification
ZL38052
Preliminary Data Sheet
Description
The ZL38052 is part of Microsemi’s Timberwolf audio
processor family of products. These devices feature
Microsemi’s innovative AcuEdge acoustic technology,
which is a set of highly-complex and integrated
algorithms. The Microsemi AcuEdge Technology
ZL38052 is designed to provide leading edge far field
microphone processing with advanced features
targeted for IP and security cameras with high
definition (HD) 2-way hands-free voice.
The Microsemi AcuEdge Technology license-free,
royalty-free intelligent audio Firmware provides
Beamforming, Sound Location Estimation, 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
environments. The ZL38052 also incorporates a sound
classification feature allowing the system to recognize
smoke detector alarms (T3), carbon monoxide
detector alarms (T4) and glass break detection.
Microsemi offers additional tools to speed up the
product development cycle. The MiTuner™ ZLS38508
or ZLS38508LITE GUI software packages allow a
user to interactively configure the ZL38052 device.
The optional MiTuner ZLE38470BADA Automatic
Tuning Kit provides automatic tuning and easy control
for manual fine tuning adjustments.
Applications
• IP Cameras
Security Cameras
ZL38052
Typical IP Security Camera Application
Document ID# 154531
Version 1
March 2016
Ordering Information
Device OPN
Package
Packing
ZL38052LDF1
ZL38052LDG1
ZL38052UGB2
64-pin QFN (9x9)
Tape & Reel
64-pin QFN (9x9)
Tray
56-ball WLCSP (3.1x3.1) Tape & Reel
These packages meet RoHS 2 Directive 2011/65/EU of the European Council
to minimize the environmental impact of electrical equipment.
Microsemi AcuEdge Technology
ZLS38052 Firmware
There are two Firmware images that may be selected
to provide the desired operating mode. Firmware
images can be swapped during normal operation to
switch modes dynamically. Firmware image size varies
with firmware load.
ZLS38052.0 (Full Duplex Communication)
• Far Field Microphone Processing
• Microphone Beamforming
• Sound Location Estimation
• Full Narrowband and Wideband Acoustic Echo
cancellation operation
• Supports long tail AEC (up to 256 ms)
• Non-Linear AEC provides higher tolerance for
speaker distortions
• Howling detection/cancellation
• Prevents oscillation in AEC audio path
• Advanced noise reduction reduces background
noise from the near-end speech signal using
Psychoacoustic techniques
• Various encoding/decoding options:16-bit linear,
G.722, G.711 A/μlaw
• Send and receive path equalizers
ZLS38052.2 (Glass Break and Energy Detectors)
• Detects T3 (Temporal smoke alarm) signals
• Detects T4 (Temporal carbon monoxide alarm)
signals
• Detects the sound of breaking glass
• Programmable Energy Detector
ZL38052 Hardware Features
• DSP with Voice Hardware Accelerators
1
Microsemi Corporation Confidential and Proprietary


  Microsemi Electronic Components Datasheet  

ZL38052 Datasheet

Timberwolf Digital Signal Processor

No Preview Available !

Timberwolf Digital Signal Processor family,
powered by AcuEdge™ Technology
Designed for IP Cameras with Sound Classification
ZL38052
Preliminary Data Sheet
• 2 digital microphone interfaces allowing sampling
of up to 4 digital Microphones
• 2 independent headphone drivers
• Dual 16-bit digital-to-analog converters (DACs)
• 16 ohms single-ended or differential drive
capability
• 32 mW output drive power into 16 ohms
• 2 Time-Division Multiplexing (TDM) buses
• The ports can be configured for Inter-IC Sound
(I2S) or Pulse-Code Modulation (PCM)
operation
• PCM operation supports PCM and GCI timing,
I2S operation supports I2S and left justified
timing
• Each port can be a clock master or a slave
• Each port supports up to four bi-directional
streams when configured in PCM mode or two
bi-directional streams when configured for I2S
mode at data rates from 128 kb/s to 8 Mb/s
• 2 Serial Peripheral Interface (SPI) ports
• The SPI Slave port is recommended as the
main communication port with a host
processor. The port provides the fastest
means to Host Boot and configures the
device’s firmware and configuration record.
• The Master SPI port is used to load the
device’s firmware and configuration record
from external Flash memory (Auto Boot).
• Inter-Integrated Circuit (I2C) Port (pins shared
with SPI Slave Port)
• The I2C port can be used as the main
communication port with a host processor, and
can be used to Host Boot and configure the
device’s firmware and configuration record
• General purpose Universal Asynchronous
Receiver/Transmitter (UART) port for debug
• The UART port can be used as a debug tool and
is used for tuning purposes
• 14 General Purpose Input/Output (GPIO) pins (full
operation with Full Duplex Communication
Firmware, limited operation with Alarm, Glass
Break And Energy Detector Firmware)
• GPIO ports can be used for interrupt and event
reporting, fixed function control, bootstrap
options, as well as being used for general
purpose I/O for communication and controlling
external devices
The MiTuner™ Automatic Tuning Kit and
ZLS38508 MiTuner GUI
Microsemi's Automatic Tuning Kit option includes:
• Audio Interface Box hardware
• Microphone and Speaker
• ZLS38508 MiTuner GUI software
• Allows tuning of Microsemi's AcuEdge
Technology Audio Processor
The ZLS38508 software features:
• Auto Tuning and Subjective Tuning support
• Allows tuning of key parameters of the system
design
• Provides visual representations of the audio paths
with drop-down menus to program parameters,
allowing:
• Control of the audio routing configuration
• Programming of key building blocks in the
transmit (Tx) and receive (Rx) audio paths
• Setting analog and digital gains
• Configuration parameters allow users to “fine
tune” the overall performance
Tools
• ZLK38000 Evaluation Kit
MiTuner™ ZLS38508 and ZLS38508LITE GUI
MiTuner™ ZLE38470BADA Automatic Tuning Kit
2
Microsemi Corporation Confidential and Proprietary


Part Number ZL38052
Description Timberwolf Digital Signal Processor
Maker Microsemi
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ZL38052 Datasheet PDF






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