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Single-Chip Dual-Channel AC’97 Audio Codec
EMP202
EMPIA Technology
7/15/2002
20
5.3. Extended Registers
5.3.1.MX6A SPDIF Output Select
Default: 0000H
Bit
Type
Function
15:2
-
Reserved
1
R/W
SPDIF Output Source Select
0 PCM data from ACLINK to SPDIF
1 ADC record data to SPDIF
0
-
Reserved
5.3.2.MX72 Antipop
Default: 0000H
Bit
Type
Function
15:8
-
Reserved
7
R/W
Internal Antipop
0 enabled
1 disabled
6:0
-
Reserved
5.3.3.MX74 EAPD Access
Default: 0800H
Bit
Type
Function
15
R/W
EAPD, Use with D11
If D11=1, EAPD data output
If D11=0, EAPD data input
14:12
-
Reserved
11
R/W
EAPD Pin Enable
0 EAPD as input
1 EAPD as output
10:3
-
Reserved
2
R/W
Interrupt Disable
0 clear GPIO interrupts
1 clear GPIO interrupts with MX54
1
R/W
GPIO Access
0 ACLINK access from GPIO pad
1 ACLINK access from MX54
0
R/W
GPIOSLT12
0 GPIO0 and GPIO1 access from MX54, if GPIO is set as output, input Slot 12
will be 0h.
1 GPIO0 and GPIO1 access from Slot 12, if GPIO is set as output, input MX54
not updated.
5.3.4.MX7C VENDOR ID1
Default: FFFFH
Bit
Type
Function
15:0
R
Vendor ID: FFFFH
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