Data Sheet
USB Audio Controller
SN11220ACF
41
42
PADFUN 2
SDA
I, ST
I/O,4mA, SR
CODEC function configuration pin 2 (Page11)
data pin of two-wire serial port for external MCU control.
This pin must be UP by resister..
clock pin of two-wire serial port for external MCU
43
44
45
46
47
48
SCL
GPIO1
CODECSEL
VDD
LFB
VSSA_PLLB
I, ST
control. This pin must be UP by resister.
I/O
I, ST
General Purpose I/O 1
CODEC interface selection, it should be tied to 3.3V in
the type of ACF.
P
I/O
P
3.3V Power pin
Filter for internal PLL
GND pin
** 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 ]
