Data Sheet
USB Audio Controller
SN11220ACF
CODEC function configuration pin 2 (Page11)
41
42
PADFUN 2
SDA
I, ST
data pin of two-wire serial port for external MCU control.
This pin must be UP by resister..
I/O,4mA, SR
clock pin of two-wire serial port for external MCU
control. This pin must be UP by resister.
43
44
45
SCL
GPIO1
I, ST
I/O
General Purpose I/O 1
CODEC interface selection, it should be tied to 3.3V in
CODECSEL
I, ST
the type of ACF.
3.3V Power pin
Filter for internal PLL
GND pin
46
47
48
VDD
LFB
P
I/O
P
VSSA_PLLB
** All input pin are 5 volt tolerance, TTL level and Schmitt trigger
All output pins are slew rate control
I – input pin, O – output pin, P – power pin, ST – Schmitt trigger, SR – slew rate control,
PU/PD – pull up or pull down
Sonix Confidential
- 6 -
Do not copy, reproduce, or distribute without permission
2006 Aug 10, V1.01
SONIX [ SONIX TECHNOLOGY COMPANY ]
