92HD87 Datasheet, PDF (61/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
8.3.18. AFG (NID = 01h): GPIOPlrty
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F7000h
Byte 1 (Bits 7:0)
770h
Field Name
Rsvd
GP2
GP1
GP0
Bits
R/W
Default
Reset
31:3
R
00000000h
N/A (Hard-coded)
Reserved.
2
RW
1h
POR - DAFG - ULR
GPIO2 Polarity:
If configured as output or non-sticky input:
0 = inverting
1 = non-inverting
If configured as sticky input:
0 = falling edges will be detected
1 = rising edges will be detected
1
RW
1h
POR - DAFG - ULR
GPIO1 Polarity:
If configured as output or non-sticky input:
0 = inverting
1 = non-inverting
If configured as sticky input:
0 = falling edges will be detected
1 = rising edges will be detected
0
RW
1h
POR - DAFG - ULR
GPIO0 Polarity:
If configured as output or non-sticky input:
0 = inverting
1 = non-inverting
If configured as sticky input:
0 = falling edges will be detected
1 = rising edges will be detected
8.3.19. AFG (NID = 01h): GPIODrive
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F7100h
Byte 1 (Bits 7:0)
771h
IDT CONFIDENTIAL
61
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87