The ZL38015 is a four channel Voice-Processor hardware platform designed to support advanced voice and digital signal processing applications available from Zarlink Semiconductor. The ZL38015 platform integrates Zarlink's Voice Processor (ZVP) DSP Core with a number of internal peripherals including: 2 PCM ports, 11 GPIO pins, UART, Slave SPI and Master SPI ports and a master/slave timing block. The firmware products and manuals available at the release of this data sheet is the ZLS38233: 4 Channel Voice Echo Cancellor (VEC) with integrated DTMF Transceiver (Tx/Rx). If these applications do not meet your requirements, please contact your local Zarlink Sales Office for the latest firmware releases.

Features & Benefits

• 100 MHz (200 MIPs) Zarlink voice processor with hardware accelerator
• On-board memory
• 2048 tap Filter co-processor shared across up to 16 separate functions in 128 tap increments
• Primary PCM port supports TDM (ST BUS, GCI or McBSP framing) or SSI modes at bit rates of 128, 256, 512, 1024, 2048, 4096, 8192 or 16384 Kb/sec
• Separate slave (microcontroller) and master (Flash) SPI ports, maximum clock rate = 25 MHz
• 11 General Purpose Input/Output (GPIO) pins
• General purpose UART port
• Bootloadable for future Zarlink software upgrades
• External oscillator or crystal/ceramic resonator
• 1.2 V Core; 3.3 V IO with 5 V-tolerant inputs
• IEEE-1149.1 compatible JTAG port

 

Firmware Overview

ZLS38233 - Advanced 4 Channel Voice Echo Canceller with DTMF Transceiver (Tx/Rx)

• Independent 4 channel echo cancellation with programmable echo tail length (maximum combined echo tail length of 256ms)
• Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications
• Per channel Fax/Modem G.164 2100 Hz and G.165 2100 Hz phase reversal Tone Disable
• Fast reconvergence on echo path changes
• Fully programmable convergence speeds
• Patented Advanced Non-Linear Processor with high quality subjective performance
• Protection against narrow band signal divergence and instability in high echo environments
• G.169 ALC (automatic level control) maintains loop gain through a programmable gain range from -24 to 24 db
• Four independent DTMF Receivers  (DTMF Rx)
• Four independent programmable tone/DTMF generators (DTMF Tx)

Documentation

• zls38233-shortform-firmware-datasheet-apr09.pdf
• zl38015-datasheet-jun07.pdf

Design Manuals

• ZL38015-design-manual-mar11.pdfPlease login to access protected documents.

Software Manuals

• zls38233-firmwareman-aug08.pdfPlease login to access protected documents.

Product Previews

• zl38015-product-preview.pdf

Downloads, Firmware and Drivers

BSDL Files:
• ZL38015 BSDL

IBIS Models:
• zl38015qc.ibs

Evaluation Boards

• zle38015-customer-cd-may09.zipPlease login to access protected documents.

Software URLs

• ZLS38233: Advanced 4 Channel Voice Echo Canceller with DTMF Transceiver (Tx/Rx)

Typical Applications

• Wireless Local Loop base stations and controllers Voice telephony gateways Digital, VoIP based and wireless PBX systems
• Echo Canceller pools
• Customer Premise equipment
• Integrated access devices
• SOHO gateways

Product Packaging & Availability

Part Number	Package Type	Pin Count	Lead-Free Option	Shipping Option(s)	Lead Time(wks)	Status
ZL38015QCG1	LQFP	100	Pb-free-Matte Tin	Trays. Bake & Drypack	6-8 weeks	Production

Packaging Information

• Soldering Profiles
• Moisture Sensitivity
• Shelf Life
• Reliability Data

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