Data Sheet
SN11300
3 In 1 USB Audio Controller
26
27
MICBIAS
MIC_S
AO
AI
ADC MicroPhone Bias output
Microphone single-ended In
ADC reference voltage about
0.9 volts
VREF_ADC
AO
28
29
30
31
32
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
33
34
35
36
37
GNDA_DAC
HPOUT
AP
AO
AP
AP
DAC core ground
DAC headphone out
HeadPhone core 1.8 V power
HeadPhone I/O 3.3 V power
VDDA_HP
VDDA_HP_IO
PWRDN
OD, 4 mA, SR Power down switch control 0:
normal mode, 1: power down
mode
38
GPIOB3_MUTER
GPIOB2_MUTEP
GPIOB1_VOLDN
GPIOB0_VOLUP
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
GPIOB3 pin/ Default MUTER
39
40
41
42
key
GPIOB2 pin/ Default MUTEP
key
GPIOB1 pin/ Default VOLDN
key
GPIOB0 pin/ Default VOLUP
key
43
44
45
46
47
48
VSSDP
VDDDP
CS1B
DP
DP
3.3 V I/O ground
3.3 V I/O power
O, 4 mA, SR LCM chip select, low active
O, 4 mA, SR Buzzer Output Pin
BUZZEROUT
XIN
AI
12 MHz clock osc pin for PLL
12 MHz clock osc pin for PLL
XOUT
AO
Sonix Confidential
- 10 -
Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3
SONIX [ SONIX TECHNOLOGY COMPANY ]
