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Download ECP Standard Parallel Interface for DSP56300 Devices
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Implementation on the DSP Side Start Write nRevReq=HIGH ? Yes No LOW nAckRev Call DataOut HIGH LOW PeriphAck PeriphClk nRevReq=HIGH ? Yes No Yes HostAck=LOW ? No HIGH PeriphClk nRevReq=HIGH ? Yes No Yes HostAck=HIGH ? No Call LineIn PeriphAck nAckRev LOW HIGH END Write Figure 7. ECP Write Routine Flowchart ECP Interface Implementation—Software 13
