Data Sheet
SN11300
3 In 1 USB Audio Controller
56
57
VDDA_HP_IO
DA_VDDD1
AP
AP
HeadPhone I/O 3.3 V power
3.3 V VDD of regulator for
DAC
DA_VDDL1
DA_RVSS
PWRDN
AP
AP
1.8 V regulator output for
DAC
58
59
3.3 V GND of regulator for
DAC
OD, 4 mA, SR Power down switch control 0:
normal mode, 1: power down
mode
60
61
62
GPIOB4
I/O, 4 mA
I/O, 4 mA
GPIOB4 pin
GPIOB3_MUTER
GPIOB3 pin/ Default MUTER
key
GPIOB2_MUTEP
GPIOB1_VOLDN
GPIOB0_VOLUP
I/O, 4 mA
I/O, 4 mA
I/O, 4 mA
GPIOB2 pin/ Default MUTEP
63
64
65
key
GPIOB1 pin/ Default VOLDN
key
GPIOB0 pin/ Default VOLUP
key
66
67
68
69
VSSDP
DP
DP
3.3 V I/O ground
3.3 V I/O power
VDDDP
CS1B
O, 4 mA, SR LCM chip select, low active
O, 4 mA, SR Buzzer Output Pin
BUZZEROUT
I2CSCL
OD
Clock pin of two-wire serial
port for external MCU control
Core ground
70
71
72
GND
DP
DP
OD
VCC18
I2CSDA
Core Power, 1.8V
Data pin of two-wire serial
port for external MCU control
LCM data0 pin
73
74
75
76
77
78
LCMDB0
LCMDB1
LCMDB2
LCMDB3
LCMDB4
O, 4 mA
O, 4 mA
O, 4 mA
O, 4 mA
O, 4 mA
LCM data1 pin
LCM data2 pin
LCM data3 pin
LCM data4 pin
Sonix Confidential
- 16 -
Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3
SONIX [ SONIX TECHNOLOGY COMPANY ]
