Data Sheet
SN11300
3 In 1 USB Audio Controller
27
28
29
GPIOA1
GPIOA0
RSTN
I/O, 4 mA
I/O, 4 mA
I, ST
GPIOA1 pin
GPIOA0 pin
System reset pin, low active
3.3 V VDD of regulator for
ADC
AD_VDDD1
AP
30
31
AD_VDDL1
AP
1.8 V regulator output for
ADC
32
33
34
35
VSSA_ADC_IO
VDDA33_ADC
MICBIAS
AP
AP
AO
AI
ADC I/O ground
ADC I/O 3.3 V power
ADC MicroPhone Bias output
Microphone single-ended In
ADC reference voltage about
0.9 volts
MIC_S
VREF_ADC
AO
36
37
38
39
40
GNDA_ADC
VDDA_ADC
VDDA_DAC_IO
VDDA_DAC
VREF_DAC
AP
AP
AP
AP
AO
ADC core ground
ADC core 1.8 V power
DAC I/O 3.3 V power
DAC core 1.8 V power
DAC reference voltage about
0.9 volts
41
42
43
44
45
46
GNDA_DAC
GNDA_HP
HPOUT
AP
AP
AO
AP
AP
AP
DAC core ground
HeadPhone ground
DAC headphone out
HeadPhone core 1.8 V power
HeadPhone I/O 3.3 V power
3.3 V VDD of regulator for
DAC
VDDA_HP
VDDA_HP_IO
DA_VDDD1
47
48
49
DA_VDDL1
DA_RVSS
PWRDN
AP
AP
1.8 V regulator output for
DAC
3.3 V GND of regulator for
DAC
OD, 4 mA, SR Power down switch control 0:
normal mode, 1: power down
mode
50
51
GPIOB4
I/O, 4 mA
GPIOB4 pin
Sonix Confidential
- 12 -
Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3
SONIX [ SONIX TECHNOLOGY COMPANY ]
