The dspblok™ 21489uac2 combines a powerful floating point DSP with a dedicated USB Audio Class 2 coprocessor.

An Analog Devices ADSP-21489 SHARC DSP operating at 400 MHz and an XMOS XU208 providing the USB audio support are the heart of the module.

The module includes flash, EEProm, and switching power supplies to support the core voltage requirements. All the connections are brought out to standard 2mm dual row header footprints. The board is only 60mm x 60mm (2.36" x 2.36").

USB Audio Class 2 is supported by Danville supplied Microsoft Windows drivers along with native support in Apple and Linux operating systems. In addition to the USB Audio Class 2 support, Danville has enhanced the USB firmware to include HID endpoints for control. This allows DSP code to be uploaded without a programmer or ICE as well as support for graphical design programs like DSP Concepts Audio Weaver.

The dspblok 21489uac2 is a powerful version of our fourth generation SHARC based Audio dspbloks. Since the dspblok 21489uac2 does not include external SDRAM, it is the best choice for applications where large FIRs, long delay lines or large FFTs are not needed. These applications are better served with our pin compatible, dspblok 21469uac2. 

Development couldn't be easier. The dspblok 21489uac2 is supported by Analog Devices’ Visual DSP++ or CrossCore Embedded Studio. You can connect to an Analog Devices ICE-1000 or ICE-2000 via JTAG. Our dspblok dev board is a convenient way to get started with breakouts interfacing to your own external circuits.

Alternatively, the dspblok 21489uac2 is available as a sub-component in other Danville products such as the dspMusik 2/8. In this system, the dspblok is graphically programmed via DSP Concepts Audio Weaver.

Purchasing Information

dspblok 21489uac2
P/N: A.14489
$250  $200  $160 $125  $110  $100 
dspblok 21489uac2
P/N: A.08102A
JTAG Adapter
P/N: A.08153

This product also has volume pricing at higher quantities. Please contact us for more details. 


dspblok 21489uac2

User Manuals

dspblok™ 21489uac2 User Manual 

dspblok™ Designing for Compatibility   


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Danville Signal Processing, Inc.
29687 82nd  Avenue Way,  Cannon Falls, MN 55009
Phone: (507) 263-5854 Fax: (877) 230-5629