alc203-lf Realtek Semiconductor Corporation, alc203-lf Datasheet - Page 28

• Manufacturer Part Number: alc203-lf
• Description: Two-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

6.4 Extension Registers
6.4.1 MX76 GPIO & Interrupt Setup
Default: 0000h
Two-Channel AC’97 2.3 Audio Codec
11:7
Bit
3:2
15
14
13
12
6
5
4
1
0
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
GPIO Status Indication in SDATA_IN
SPDIFI Valid Interrupt Enable
SPDIFI Lock Interrupt Enable
JD2 (Jack-Detect 2) interrupt Enable
A low to high transaction will trigger the JD2 interrupt in bit0 of SDATA_IN’s slot-12.
Reserved
JD1 (Jack-Detect 1) interrupt Enable
A low to high transaction will trigger the JD interrupt in bit0 of SDATA_IN’s slot-12.
GPIO1 interrupt Enable (when GPIO1 is used as input)
A low to high transaction will trigger the GPIO interrupt in bit0 of SDATA_IN’s slot-12.
GPIO0 interrupt Enable (when GPIO0 is used as input)
A low to high transaction will trigger the GPIO interrupt in bit0 of SDATA_IN’s slot-12.
Reserved
GPIO1Primitive Control
GPIO0 Primitive Control
0:Disable
0:Disable
0:The status of GPIO0/GPIO1/JD and its valid tag are not indicated in SDATA_IN.
1: The status of GPIO0/GPIO1/JD and its valid tag are indicated in SDATA_IN
0: Disable
0: Disable
0: Disable
0: Disable
0: Set GPIO1 as input pin.
1: Set GPIO1 as output pin.
0: Set GPIO0 as input pin.
1: Set GPIO0 as output pin.
1: Enable
1: Enable
1: Enable.
1: Enable.
1: Enable.
1: Enable.
24
Function
ALC203 DataSheet
Rev1.6