Harman Kardon DPR 1001 Service Manual

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Harman Kardon DPR 1001 Service Manual Manual pdf 120 page image

CMPCLK, SCLKN2—PCM Audio Input Bit Clock: Pin 28Bidirectional digital-audio bit clock that is an output in master mode and an input in slavemode. In slave mode, SCLKN2 operates asynchronously from all other CS493XX clocks. Inmaster mode, SCLKN2 is derived from the CS493XX internal clock generator. In either masteror slave mode, the active edge of SCLKN2 can be programmed by the DSP. If the CDI isconfigured for bursty delivery, CMPCLK is an input used to sample CMPDAT.BIDIRECTIONAL - Default: INPUTCMPREQ, LRCLKN2—PCM Audio Input Sample Rate Clock: Pin 29When the CDI is configured as a digital audio input, this pin serves as a bidirectional digital-audio frame clock that is an output in master mode and an input in slave mode. LRCLKN2typically is run at the sampling frequency. In slave mode, LRCLKN2 operates asynchronouslyfrom all other CS493XX clocks. In master mode, LRCLKN2 is derived from the CS493XXinternal clock generator. In either master or slave mode, the polarity of LRCLKN2 for aparticular subframe can be programmed by the DSP. When the CDI is configured for burstydelivery, or parallel audio data delivery is being used, CMPREQ is an output which serves asan internal FIFO monitor. CMPREQ is an active low signal that indicates when another blockof data can be accepted. BIDIRECTIONAL - Default: INPUTCMPDAT, SDATAN2—PCM Audio Data Input Number Two: Pin 27Digital-audio data input that can accept from one to six channels of compressed or PCM data.SDATAN2 can be sampled with either edge of SCLKN2, depending on how SCLKN2 has beenconfigured. Similarly CMPDAT is the compressed data input pin when the CDI is configuredfor bursty delivery. When in this mode, the CS493XX internal PLL is driven by the clockrecovered from the incoming data stream. INPUTDC—Reserved: Pin 38This pin is reserved and should be pulled up with an external 4.7k resistor.DD—Reserved: Pin 37This pin is reserved and should be pulled up with an external 4.7k resistor.12. ORDERING INFORMATIONCS493002-CL 44-Pin PLCC Temp Range 0-70º CCS493102-CL 44-Pin PLCC Temp Range 0-70º CCS493253-CL 44-Pin PLCC Temp Range 0-70º CCS493263-CL 44-Pin PLCC Temp Range 0-70º CCS493292-CL 44-Pin PLCC Temp Range 0-70º C120DPR1001 harman/kardon