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ADAV801 Datasheet(PDF) 41 Page - Analog Devices |
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ADAV801 Datasheet(HTML) 41 Page - Analog Devices |
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41 / 61 page  ADAV801 Rev. A | Page 40 of 60 Receiver Error—Address 0011000 (0x18) Table 61. Receiver Error Register (Read-Only) Bit Map 7 6 5 4 3 2 1 0 RxValidity Emphasis NonAudio NonAudio Preamble CRCError NoStream BiPhase/Parity Lock Table 62. Receiver Error Register (Read-Only) Bit Descriptions Bit Name Description RxValidity This is the VALIDITY bit in the AES3 received stream. Emphasis This bit is set if the audio data is pre-emphasized. Once it has been read, it remains high and does not generate an interrupt unless it changes state. NonAudio This bit is set when Channel Status Bit 1 (nonaudio) is set. Once it has been read, it does not generate another interrupt unless the data becomes audio or the type of nonaudio data changes. NonAudio Preamble This bit is set if the audio data is nonaudio due to the detection of a preamble. The nonaudio preamble type register indicates what type of preamble was detected. Once read, it remains in its state and does not generate an interrupt unless it changes state. CRCError This bit is the error flag for the channel status CRCError check. This bit does not clear until the receiver error register is read. NoStream This bit is set if there is no AES3/S/PDIF stream present at the AES3/S/PDIF receiver. Once read, it remains high and does not generate an interrupt unless it changes state. BiPhase/Parity This bit is set if a biphase or parity error occurred in the AES3/S/PDIF stream. This bit is not cleared until the register is read. Lock This bit is set if the PLL has locked or cleared when the PLL loses lock. Once read, it remains in its state and does not generate an interrupt unless it changes state. Receiver Error Mask—Address 0011001 (0x19) Table 63. Receiver Error Mask Register Bit Map 7 6 5 4 3 2 1 0 RxValidity Mask Emphasis Mask NonAudio Mask NonAudio Preamble Mask CRCError Mask NoStream Mask BiPhase/Parity Mask Lock Mask Table 64. Receiver Error Mask Register Bit Descriptions Bit Name Description RxValidity Mask Masks the RxValidity bit from generating an interrupt. 0 = RxValidity bit does not generate an interrupt. 1 = RxValidity bit generates an interrupt. Emphasis Mask Masks the Emphasis bit from generating an interrupt. 0 = Emphasis bit does not generate an interrupt. 1 = Emphasis bit generates an interrupt. NonAudio Mask Masks the NonAudio bit from generating an interrupt. 0 = NonAudio bit does not generate an interrupt. 1 = NonAudio bit generates an interrupt. NonAudio Preamble Mask Masks the NonAudio preamble bit from generating an interrupt. 0 = NonAudio preamble bit does not generate an interrupt. 1 = NonAudio preamble bit generates an interrupt. CRCError Mask Masks the CRCError bit from generating an interrupt. 0 = CRCError bit does not generate an interrupt. 1 = CRCError bit generates an interrupt. NoStream Mask Masks the NoStream bit from generating an interrupt. 0 = NoStream bit does not generate an interrupt. 1 = NoStream bit generates an interrupt. BiPhase/Parity Mask Masks the BiPhase/Parity bit from generating an interrupt. 0 = BiPhase/Parity bit does not generate an interrupt. 1 = BiPhase/Parity bit generates an interrupt. Lock Mask Masks the Lock bit from generating an interrupt. 0 = Lock bit does not generate an interrupt. 1 = Lock bit generates an interrupt. |
Número de pieza similar - ADAV801_17 |
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Descripción similar - ADAV801_17 |
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