STAC9227 Datasheet, PDF (46/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 40. AFG GPIOEn Command Response Format
Bit
Bitfield Name
RW
Reset
Description
Enable for GPIO1:
[1]
Mask1
RW
0x0
0 = pin is disabled (Hi-Z state);
1 = pin is enabled; behavior determined by
GPIO Direction control
Enable for GPIO0:
[0]
Mask0
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 41. 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]
[3]
[2]
[1]
[0]
Table 42. 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
Control3
Direction control for GPIO3
RW
0x0
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
Control2
Direction control for GPIO2
RW
0x0
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
Control1
Direction control for GPIO1
RW
0x0
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
Control0
Direction control for GPIO0
RW
0x0
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
46
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007