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STAC9752A Datasheet(PDF) 71 Page - Integrated Device Technology

Part # STAC9752A
Description  AC??7 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PDF  106 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9752A Datasheet(HTML) 71 Page - Integrated Device Technology

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STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
IDT™
71
STAC9752A/9753A
V 1.5 1206
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
7.2.8.
GPIO Pin Mask Register (52h)
Default: 0000h
7.2.9.
GPIO Pin Status Register (54h)
Default: 0000h
1
Read / Write
0
GS1
0 = GPIO1 Non Sticky configuration.
1 = GPIO1 Sticky configuration.
0
Read / Write
0
GS0
0 = GPIO0 Non Sticky configuration.
1 = GPIO0 Sticky configuration.
D15
D14
D13
D12
D11
D10
D9
D8
Reserved
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
GW1 (GPIO1) GW0 (GPIO0)
Bit(s)
Access
Reset Value
Name
Description
15:2
Read Only
0
Reserved
Bit not used, should read back 0
1
Read / Write
0
GW1
0 = GPIO1 interrupt not passed to GPIO_INT slot 12.
1 = GPIO1 interrupt is passed to GPIO_INT slot 12.
0
Read / Write
0
GW0
0 = GPIO0 interrupt not passed to GPIO_INT slot 12.
1 = GPIO0 interrupt is passed to GPIO_INT slot 12.
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
ReadOnly
0
Rsvd Bit not used, should read back 0
1
Read /
Write
x
GI1
When GPIO1 is configured as output and Register h74 bit[0] = 0 (default), the
value of this register will be placed on the GPIO1 pad.
When GPIO1 is configured as output and Register h74 bit[0] = 1, the GPIO1 pad
will get its value from slot12.
When GPIO1 is configured as input and configured as a sticky writing a 1 does
nothing, writing a 0 clears this bit.
When GPIO1 is configured as input this register reflects the value on the GPIO1
pad after interpretation of the polarity and sticky configurations.
0
Read /
Write
x
GI0
When GPIO0 is configured as output and Register h74 bit[0] = 0 (default), the
value of this register will be placed on the GPIO0 pad.
When GPIO0 is configured as output and Register h74 bit[0] = 1, the GPIO0 pad
will get its value from slot12.
When GPIO0 is configured as input and configured as a sticky writing a 1 does
nothing, writing a 0 clears this bit.
When GPIO0 is configured as input this register reflects the value on the GPIO0
pad after interpretation of the polarity and sticky configurations.
Bit(s)
Access
Reset Value
Name
Description



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