STAC9766 Datasheet, PDF (67/97 Pages) Integrated Device Technology – TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING

STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
PC AUDIO
8.2.7. GPIO Pin Sticky Register (50h)
Default: 0000h
D15
D14
D13
D12
D11
D10
D9
D8
RESERVED
D7
D6
D5
D4
D3
D2
D1
D0
RESERVED
GS1 (GPIO1) GS0 (GPIO0)
Bit(s)
15:2
1
0
Access
Read Only
Read / Write
Read / Write
Reset Value
0
0
0
Name
RESERVED
GS1
GS0
Description
Bit not used, should read back 0
0 = GPIO1 Non Sticky configuration.
1 = GPIO1 Sticky configuration.
0 = GPIO0 Non Sticky configuration.
1 = GPIO0 Sticky configuration.
8.2.8. GPIO Pin Mask Register (52h)
Default: 0000h
D15
D14
D13
D12
D11
D10
D9
D8
RESERVED
D7
D6
D5
D4
D3
D2
D1
D0
RESERVED
GW1 (GPIO1) GW0 (GPIO0)
Bit(s)
15:2
1
0
Access
Read Only
Read / Write
Read / Write
Reset Value
0
0
0
Name
RESERVED
GW1
GW0
Description
Bit not used, should read back 0
0 = GPIO1 interrupt not passed to GPIO_INT slot 12.
1 = GPIO1 interrupt is passed to GPIO_INT slot 12.
0 = GPIO0 interrupt not passed to GPIO_INT slot 12.
1 = GPIO0 interrupt is passed to GPIO_INT slot 12.
8.2.9. GPIO Pin Status Register (54h)
Default: 0000h
D15
D14
D13
D12
D11
D10
D9
D8
RESERVED
D7
D6
D5
D4
D3
D2
D1
D0
RESERVED
GI1 (GPIO1) GI0 (GPIO0)
Bit(s) Access ^Reset
Value
Name
Description
15:2 Read Only 0 RESERVED Bit not used, should read back 0
IDT™
67
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
V 7.4 12/06