Data Sheet
SN11300
3 In 1 USB Audio Controller
V.
Block diagram (80 Pin)
SOF / 1KHz
PLL 2
Earphone
Micin
D+
D-
USB 1.1
SIE
ISOin
CODEC
12 MHz
24 MHz
PLL 1
ISOout
Regulator
3.3 V - > 1.8V
Interface
CX
INT 3
INT 4
Buzzer out
Key 8x8
Buzzer
GPIO
SRAM
LCM /
EEPROM
LCM
1. SystemClock = 24 MHz
2. Codec = 16b , Mono
3. LCM < = 256 x256
4. Keysscan < = 8x8
Ring
SRAM
ROM
EEPROM
I2C
MCU
I2C
SN 11300
USB audio function topology has two input terminals, two output terminals, and two
feature units
VI. EEPROM contents arrangement
The SN11300 supports an external EEPROM to be installed for the system
manufacturers to customize the USB VID, PID and the vendor/product strings being
Sonix Confidential
- 18 -
Do not copy, reproduce, or distribute without permission
2008 Mar 6, V1.3