92HD87 Datasheet, PDF (46/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
8. WIDGETS
8.1. Reset Key
Abbreviation
Description
POR
Power On Reset.
SAFG
Single AFG Reset - One single write to the Reset Verb in the AFG Node.
DAFG
Double AFG Reset - Two consecutive Single AFG Resets with only idle frames (if any) and no Link Re-
sets between.
S&DAFG
Single And Double AFG Reset - Either one will cause reset.
LR
Link Reset - Level sensitive reset anytime the HDA Reset is set low.
ELR
Exiting Link Reset - Edge sensitive reset any time the HDA Reset transitions from low to high.
ULR
Unexpected Link Reset - Level sensitive reset anytime the HDA Reset is set low when the ClkStopOK
indicator is currently set to 0.
PS
Power State Change - Reset anytime the Actual Power State changes for the Widget in question.
8.2.
Reg
Set
Get
Root (NID = 00h): VendorID
Byte 4 (Bits 31:24) Byte 3 (Bits 23:16)
Byte 2 (Bits 15:8)
F0000h
Byte 1 (Bits 7:0)
Field Name
Vendor
DeviceFix
DeviceProg
Device
Device ID
Bits
R/W
31:16
R
Vendor ID.
15:8
R
Device ID.
7:0
R
Device ID.
Default
111Dh
see below
see below
92HD87B1
76D1h
92HD87B2
76D9
Reset
N/A
N/A
N/A
92HD87B3
76D1h
92HD87B4
76D9h
IDT CONFIDENTIAL
46
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87