The ZL38004 is a hardware platform designed to support advanced acoustic echo canceller (with noise reduction) firmware applications available from Zarlink Semiconductor. These applications are resident in external memory and are down-loaded by the ZL38004 resident boot code during initialization. The firmware products and manuals available at the release o.
• 100 MHz (200 MIPs) Zarlink voice processor with Butterfly hardware accelerator and breakpoint/interrupt controller On-board Data (26 Kbytes), Instruction (24 Kbytes RAM and Boot (3 Kbytes) ROM Dual ∆Σ ADCs with input buffer gain selection programmable to either 8 or 16 kHz sampling Dual ∆Σ DACs with output sampling of 8, 16, 44.1 and 48 kHz and internal output driver 2048 tap Filter co-processor shared across up to 16 separate functions in 128 tap increments Dual function Inter-IC Sound (I2S) or Secondary TDM port
•
•
•
•
•
•
Primary PCM port supports TDM (ST BUS, GCI or McBSP framing) or .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | ZL38001 |
Zarlink Semiconductor Inc |
Low-Voltage Acoustic Echo Canceller with Low ERL Compensation | |
2 | ZL38002 |
Zarlink Semiconductor |
Digital Echo Canceller | |
3 | ZL38003 |
Zarlink Semiconductor |
AEC | |
4 | ZL38010 |
Zarlink Semiconductor |
Low Power Quad ADPCM Transcoder | |
5 | ZL38040 |
Microsemi |
Timberwolf Digital Signal Processor | |
6 | ZL38042 |
Microsemi |
Timberwolf Digital Signal Processor | |
7 | ZL38050 |
Microsemi |
Timberwolf Digital Signal Processor | |
8 | ZL38051 |
Microsemi |
Timberwolf Digital Signal Processor | |
9 | ZL38052 |
Microsemi |
Timberwolf Digital Signal Processor | |
10 | ZL38060 |
Microsemi |
Timberwolf Digital Signal Processor | |
11 | ZL38062 |
Microsemi |
Timberwolf Digital Signal Processor | |
12 | ZL38063 |
Microsemi |
Microphone Array ASR-assist Audio Processor |