229514159ee_96| Application Note
Engineer To Engineer Note
EE-96
Technical Notes on using Analog Devices' DSP components and development tools
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Interfacing Two AD73311 Codecs to the ADSP-218x
Talkthrough Program for 2 cascaded 73311: European DSP Apps, E. A. Tested on SK 2185-Board, 03/98 Hardware Information: - CODECS are attached to DSP's SPORT 0 - Cascade circuitry: see AD73311 Data Sheet and below - DSP's internally generated SCLK1 feeds Master Codec's MCLK - Codecs' reset and SE lines are controlled per Flip-Flop via fl0 and fl1 respectively - The 2 D-Flip-Flops synchronise Codecs' SE and reset to MCLK - Programmable flag PF2 (not on the diagram) of the ADSP-218x is used to clear the 2 Flip-Flop sections (corresponding to Codec reset and SE)
ADSP-218x connected to 2 AD73311 Codecs in cascade
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