Data Sheet
SN11300
3 In 1 USB Audio Controller
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
52
53
54
55
key
GPIOB2 pin/ Default MUTEP
key
GPIOB1 pin/ Default VOLDN
key
GPIOB0 pin/ Default VOLUP
key
56
57
58
59
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 Power, 1.8V
60
61
62
VCC18
DP
OD
I2CSDA
Data pin of two-wire serial
port for external MCU control
12 MHz clock osc pin for PLL
12 MHz clock osc pin for PLL
63
64
XIN
AI
XOUT
AO
** All input pin are TTL level and Schmitt trigger, all output pins are slew rate
control
I – input pin , O – output pin, DP,AP – power pin, ST – Schmitt trigger, SR –
slew rate control, PU/PD – pull up or pull down, AI/AO/AIO – Analog PAD,
OD – Open drain
Sonix Confidential
- 13 -
Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3
SONIX [ SONIX TECHNOLOGY COMPANY ]
