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STAC9271 датащи(PDF) 110 Page - Integrated Device Technology |
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STAC9271 датащи(HTML) 110 Page - Integrated Device Technology |
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110 / 223 page ![]() STAC9271/9272/9273/9274 10-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC 110 STAC9271/9272/9273/9274 V 1.0 MARCH2007 IDT CONFIDENTIAL 6.13.8. PortA ChSense Table 219. PortA UnsolResp Command Response Format Bit Bitfield Name RW Reset Description [31.:8] Rsvd2 R 0x00 Reserved [7] En RW 0x0 Allow generation of Unsolicited Responses. Unsolicited response events occur upon jack-insertion OR completion of a Jack-Sense cycle. [6] Rsvd1 R 0x0 Reserved [5.:0] Tag RW 0x00 Software programmable field returned in top six bits (31:26) of every Unsolicited Response generated by this node. Table 220. PortA ChSense Command Verb Format Verb ID Payload Response Get F09 00 See bitfield table. Set1 709 See bits [7:0] of bitfield table. 0000_0000h Set2 709 See bits [7:0] of bitfield table. 0000_0000h Table 221. PortA ChSense Command Response Format Bit Bitfield Name RW Reset Description [31] PresDtct R 0x0 1= something is plugged into jack associated with Pin Complex. [30.:0] Impedance R 0x7FFF_FFFF Measured impedance of the widget. A value of all 1's indicates that a valid sense reading is not available, or the sense measurement is busy if it has been recently triggered. [0] RightCh W 0x0 Set 1= perform impedance sensing on right channel or ring of the connector [0] LeftCh W 0x0 Set 0= perform impedance sensing on left channel or tip of the connector |
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