STAC9271 Datasheet, PDF (44/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31.:5]
[4]
[3]
[2]
[1]
[0]
Table 41. 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
Mask1
Enable for GPIO1:
RW
0x0
0= pin is disabled (Hi-Z state);
1= pin is enabled; behavior determined by
GPIO Direction control
Mask0
Enable for GPIO0:
RW
0x0
0= pin is disabled (Hi-Z state);
1= pin is enabled; behavior determined by
GPIO Direction control
6.2.15. AFG GPIODir
Get
Set1
Table 42. AFG GPIODir Command Verb Format
Verb ID
Payload
F17
00
717
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
Bit
[31.:5]
[4]
Table 43. AFG GPIODir Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Control4
Direction control for GPIO4
RW
0x0
0= GPIO signal is configured as input
1= GPIO signal is configured as output
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
44
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007