Data Sheet
SN11300
3 In 1 USB Audio Controller
4.4 Pin assignment and description (48-pin LQFP)
Pin# Pin name
48
Pin Type
Description
1
2
3
4
5
6
7
8
9
VDDA33_PLL
AP
PLL IO 3.3 V power pin
PLL core 1.8 V power pin
Filter for internal PLL
PLL GND
VDDA18_PLL
LF_PLL
VSSA_PLL
DM
AP
AIO
AP
AIO
AIO
AP
USB data minus
DP
USB data plus
VDDA
3.3 V VDD of regulator
1.8 V regulator output
Core ground
VDDAL
GND
AP
DP
RS_SPIMISO
I/O, 4 mA
LCM Data/Register select pin
or EEPROM data input
10
11
12
13
SPISS0
O, 4 mA, SR EEPROM chip select, low
active
LCMDB6_SPICLK I/O, 4 mA
LCM data6 pin or EEPROM
clock pin
LCMDB7_SPIMOSI I/O, 4 mA
LCM data7 pin or EEPROM
data output
14
15
16
17
18
19
20
21
GPIOA4
VDDDP
VSSDP
GPIOA3
GPIOA2
GPIOA1
GPIOA0
RSTN
I/O, 4 mA
DP
GPIOA4 pin
3.3 V I/O power
DP
3.3 V I/O ground
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
I, ST
GPIOA3 pin
GPIOA2 pin
GPIOA1 pin
GPIOA0 pin
System reset pin, low active
3.3 V VDD of regulator for
CODEC(ADC and DAC)
1.8 V regulator output for
CODEC(ADC and DAC)
ADC I/O ground
AD_VDDD1
AP
22
23
AD_VDDL1
AP
24
25
VSSA_ADC_IO
VDDA33_ADC
AP
AP
ADC I/O 3.3 V power
Sonix Confidential
- 9 -
Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3
SONIX [ SONIX TECHNOLOGY COMPANY ]
