STAC9227 Datasheet, PDF (45/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 38. AFG GPIO Command Response Format
Bit
Bitfield Name
RW
Reset
Description
Data for GPIO1. If this GPIO bit is
configured as Sticky (edge-sensitive) input,
[1]
Data1
RW
0x0
it can be cleared by writing zero (one) here
when the corresponding Polarity Control bit
is zero (one).
Data for GPIO0. If this GPIO bit is
configured as Sticky (edge-sensitive) input,
[0]
Data0
RW
0x0
it can be cleared by writing zero (one) here
when the corresponding Polarity Control bit
is zero (one).
6.2.14. AFG GPIOEn
Get
Set1
Table 39. AFG GPIOEn Command Verb Format
Verb ID
Payload
F16
00
716
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
Bit
[31:5]
[4]
[3]
[2]
Table 40. AFG GPIOEn Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Mask4
Enable for GPIO4:
RW
0x0
0 = pin is disabled (Hi-Z state);
1 = pin is enabled; behavior determined by
GPIO Direction control
Mask3
Enable for GPIO3:
RW
0x0
0 = pin is disabled (Hi-Z state);
1 = pin is enabled; behavior determined by
GPIO Direction control
Mask2
Enable for GPIO2:
RW
0x0
0 = pin is disabled (Hi-Z state);
1 = pin is enabled; behavior determined by
GPIO Direction control
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
45
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007