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WM8850 Datasheet(PDF) 111 Page - Wolfson Microelectronics plc |
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WM8850 Datasheet(HTML) 111 Page - Wolfson Microelectronics plc |
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111 / 223 page ![]() Pre-Production WM8850 w PP, April 2011, Rev 3.2 111 00h 01h 02h 03h 04h 05h 06h 07h 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh 10h 11h 12h 13h 14h 15h 16h 17h TX CHANNEL STATUS CONTROL VERB (VENDOR-SPECIFIC) Verb ID Payload [7:0] Response[31:0] Get F81h 00h Bits [31:0] in the table below Set1 781h Bits [7:0] in the table below 00000000h Set2 782h Bits [15:8] in the table below 00000000h Set3 783h Bits [23:16] in the table below 00000000h Set4 784h Bits [31:24] in the table below 00000000h The bits in the table below are defined in the IEC-60958-3 Specification: Bit Bitfield Name RW Default Description [31:28] Channel Status [39:36] RW 0h Original Sampling Frequency [27:25] Channel Status [35:33] RW 5h Sample Word Length [24] Channel Status [32] RW 1 Max Word Length [23:22] Channel Status [31:30] RW 0h Channel Status [31:30] [21:20] Channel Status [29:28] RW 0h Clock Accuracy [19:16] Channel Status [27:24] RW 1h Sampling Frequency [15:12] Channel Status B [23:20] RW 0h Channel Number for Sub-Frame B [11:8] Channel Status [23:20] RW 0h Channel Number for Sub-Frame A [7:4] Channel Status [19:16] RW 0h Source Number [3:2] Channel Status [7:6] RW 0h Channel Status Mode [1:0] Channel Status [5:4] RW 0h Additional De-emphasis Information Notes: 1. When Software Formatted S/PDIF is selected, verb settings for channel status and validity are not used. 2. The Channel Number for Sub-frame B is uniquely configurable – all other Channel status bits have the same value as Sub-frame A. CHANNEL STATUS DATA PACKING CONFIGURATION VERB (VENDOR- SPECIFIC) Verb ID Payload [7:0] Response[31:0] Get F85h 00h Bits [31:0] in the table below Set 785h Bits [7:0] in the table below 00000000h Bit Bitfield Name RW Default Description [31:1] Rsvd R 0000000h Reserved [0] CSD_MODE RW 1 S/PDIF Transmitter Channel Status Data Packing Mode: 0 = Manual mode: sample rate and data width channel status data packed from data sourced from the Tx Channel Status Control Verb 1 = Automatic mode: sample rate and data width channel status data packed from data sourced from the Stream Verb, S/PDIF Verb or S/PDIF Rx Rate Detector (depending on routing through device) |
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