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92HD91 Datasheet, PDF (297/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM
92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
10. DOCUMENT REVISION HISTORY
Revision
0.5
0.8
0.85
0.9
0.91
0.92
0.93
1.0
1.1
1.2
Date
November 2009
March 2010
June 2010
September 2010
October 2010
May 2011
June 2011
October 2011
November 2011
January 2012
Description of Change
Initial release
Added widget details, front page feature bullet updates
Aux mode section added
Added changes for YA silicon revision (ZA/ZB prior settings referenced)
AFG EAPD bit added for PortE Headphone control. AFG ComJack bits added to select debounce
time. Port E headphone enable bit added. AFG EAPD Aux audio bit added for Port E.Removed SCS
support. Updated conditions of performance characteristics, added HDA signalling voltage to
condition for power measurements. Default changed on BTL/HD_Mode from 0 to 1. Updated Record
Path behavior tabel for Aux mode. Updated Pin Configuration Default Settings.Corrected Combo
Jack diagram.
Updated LDO Level Control values. Corrected step size and thermal trip in BTL section. Updated
SPKVOL L/R step size to .75dB. Added additional verb for updating speaker L and R volume at the
same time (to match HDA implementation). Widget 22h verbs added/reordered. Clarified AuxMode
section wording related to D3Cold entry. Added description text for High pass and Mono band pass
filter features.
Corrected Sense A/B description and table.
Corrected front page bullet for BTL voltage.
Corrected Left vs Right channel for the EQ coefficients to match silicon. Updated electrical
characteristics for typical values. Removed Preliminary. Removed comments related to ZA and ZB
silicon since they were non-production. Added WB silicon widget items: ComboJackTiming in the
AFG and ScStableTimeSel added to AFG AnaBTL. Added PVDD value for the digital maximum
supply voltage and footnote to the GPIO characteristics for the Input Low and High Voltage. Added
missing EAPD widget details.
Added feature bullet and description section for microphone input mute which is available only on
silicon revisions WB and beyond.
Corrections for 022FB0 / 0227B0 to 022FB6 / 0227B6 as they are not reachable via NID22 but must
be accessed through the Port Nodes.UpdatedNID22 registers with reset information, which is
different for WC silicon revision.
IDT™ CONFIDENTIAL
297
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 1.2 1/12
92HD91