ZL38005
Dedicated Voice Processor with Dual Narrow Band Codecs
Overview
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Microsemi AcuEdge™ Technology ZL38005 is a hardware platform designed to support advanced acoustic echo canceller and noise reduction with the ZLS38501 firmware pack for hands-free car applications. |
Simplified Block Diagram
Typical Applications
- Hands-free car kits
- Full duplex speaker-phone for digital telephone
- Echo cancellation for video conferences
- Intercom Systems
- Security Systems
Features & Benefits
- Voice processor with hardware accelerator
- On-board memory
- Dual ΔΣ ADCs with input buffer gain selection programmable to 8 kHz sampling
- Dual ΔΣ DACs with output sampling of 8 kHz
- Dual function Inter-IC Sound (I2S) or Secondary TDM port
- 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
- 5 General Purpose Input/Output (GPIO) pins General purpose UART port
- Bootloadable for future software upgrades
- External oscillator or crystal/ceramic resonator
- 1.2 V Core; 3.3 V IO with 5 V-tolerant inputs
Firmware Overview
Microsemi AcuEdge™ Technology ZLS38501 - Firmware for Hands-free Application
- Selectable Acoustic and Line Echo Cancellers (AEC & LEC) with acoustic Noise Reduction
- Programmable echo tail cancellation length from 8 to 256 ms
- Noise Reduction - up to 20 dB for white noise
- Non-linear Echo Controller
- No divergence due to double-talk (patented Adaption Control)
- Superior voice quality with patented Non-Linear Processor (NLP)
- Patented Narrow-band signal divergence protection
- Patented Anti-howling - prevents oscillation in echo canceller audio path
- Speaker path AGC (Rout)
- DTMF Tone generation
Resources
Documentation
Software Manuals
Application Notes
Product Previews
Downloads, Firmware and Drivers
- BSDL Files:
- ZL38005QCG1 BSDL
- ZL38005GGG2 BSDL
- IBIS Models:
- ZL38005QCG1 IBIS
- ZL38005GGG2 IBIS
Evaluation Boards
Reference Designs
Software URLs
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Ordering
Video Proc 100-Pin LQFP Tray
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| DigiKey | ZL38005GGG2-ND | .. | Tray | No Stock |
ZL38005 Series 1.2 V 2 Channel UART Surface Mount Audio Processor - LQFP-100
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
| DigiKey | ZL38005QCG1-ND | .. | Tray | No Stock |
