Data Sheet
SN11300
3 In 1 USB Audio Controller
4.6 Pin assignment and description (80-pin LQFP)
Pin# Pin name
80
Pin Type
Description
1
2
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
VSSA
AP
3
AIO
AP
4
5
AP
GND pin for USB transceiver
USB data minus
6
DM
AIO
AIO
AP
7
DP
USB data plus
8
VDDA
3.3 V VDD of regulator
1.8 V regulator output
Core Power, 1.8V
Core ground
9
VDDAL
VCC18
GND
AP
10
11
12
DP
DP
LED_G
RW_WRB
O, 4 mA
I/O, 4 mA
LCM backlight Green
LCM Data/Register select
pin
13
14
15
GPIOB7_LEDO
GPIOB6
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
GPIOB7/Play,Record LED
GPIOB6 pin
RS_SPIMISO
LCM Data/Register select pin
or EEPROM data input
3.3 V I/O power
16
17
18
VDDDP
LCMDB5
SPISS0
DP
O, 4 mA
LCM data5 pin
O, 4 mA, SR EEPROM chip select, low
active
19
20
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
21
22
23
GPIOB5
I/O, 4 mA
I/O, 4 mA
GPIOB5 pin
GPIOA7_LEDR
GPIOA7 pin/ LED for Record
mute
24
25
GPIOA6
VCC18
I/O, 4 mA
DP
GPIOA6 pin
Core Power, 1.8V
Sonix Confidential
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Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3
SONIX [ SONIX TECHNOLOGY COMPANY ]
