Data Sheet
SN11300
3 In 1 USB Audio Controller
26
27
28
29
30
31
32
33
34
35
36
37
GND
DP
Core ground
GPIOA5 pin
GPIOA4 pin
GPIOA5
GPIOA4
VDDDP
VSSDP
GPIOA3
GPIOA2
GPIOA1
GPIOA0
RSTN
I/O, 4 mA
I/O, 4 mA
DP
3.3 V I/O power
DP
3.3 V I/O ground
GPIOA3 pin
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
I, ST
GPIOA2 pin
GPIOA1 pin
GPIOA0 pin
System reset pin, low active
LCM backlight Blue
LCM backlight Red
3.3 V VDD of regulator for
ADC
LED_B
O, 4 mA
O, 4 mA
AP
LED_R
AD_VDDD1
38
39
AD_VDDL1
AP
1.8 V regulator output for
ADC
40
41
42
43
44
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
-
MIC_S
NC
-
VREF_ADC
AO
ADC reference voltage about
0.9 volts
45
46
47
48
49
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
50
51
52
53
54
55
NC
-
-
GNDA_DAC
GNDA_HP
HPOUT
AP
AP
AO
AP
DAC core ground
HeadPhone ground
DAC headphone out
HeadPhone core 1.8 V power
VDDA_HP
Sonix Confidential
- 15 -
Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3
SONIX [ SONIX TECHNOLOGY COMPANY ]
