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STAC9752 Datasheet(PDF) 74 Page - Integrated Device Technology |
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STAC9752 Datasheet(HTML) 74 Page - Integrated Device Technology |
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74 / 95 page  STAC9752/9753 TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING IDT™ 74 STAC9752/9753 REV 3.3 1206 TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING Default: 0000h 8.4.7. Sense Details (6Ah Page 01h) Register 24h must be set to Page 01h to access this register. Default: NA D15 D14 D13 D12 D11 D10 D9 D8 RESERVED D7 D6 D5 D4 D3 D2 D1 D0 RESERVED SPOR DO1 RSVD Bit(s) Reset Value Name Description 15:3 0 RESERVED Bits not used, should read back 0 2 0 SPOR Over-ride Register 2Ah, D12 write-lock when SPDIF_EN = 1. All bits except SPDIF sample-rate are affected (D13-D12). Allows for sub-code changing on-the-fly. 1 0 DO1 SPDIF Digital Output Source Selection: DO1 = 0; PCM data from the AC-Link to SPDIF DO1 = 1; ADC record data to SPDIF 0 0 RESERVED Bits not used, should read back 0 D15 D14 D13 D12 D11 D10 D9 D8 ST2 ST1 ST0 S4 S3 S2 S1 S0 D7 D6 D5 D4 D3 D2 D1 D0 OR1 OR0 SR5 SR4 SR3 SR2 SR1 SR1 Bit(s) Reset Value Name Description 15-13 ST2:ST0 Connector/Jack location bits This field describes the location of the jack in the system. 0h - Rear I/O Panel 1h - Front Panel 2h - Motherboard 3h - Dock/External 4h:6h - Reserved 7h - No Connection/unused I/O These bits are Read/Write. 12-8 S4:S0 Sensed bits meaning relates to the I/O being sense as output or inputs. Sensed bits (outputs): See Table 25: page75. This field allows for the reporting of the type of output peripheral/device plugged in the jack. Values specified below should be interrogated in conjunction with the SR[5:0] and OR[1:0] bits for accurate reporting. Sensed bits (inputs): See Table 26: page75. This field allows for the reporting of the type of input peripheral/device plugged in the jack. Values specified below should be interrogated in conjunction with the SR[5:0] and OR[1:0] bits for accurate reporting. This field is Read Only. |
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