Data Sheet
USB Audio Controller
SN11220ACF
21
22
23
24
25
26
27
28
29
30
VDD
LFA
VSSA_PLLA
XSDIN/PCM_DIN
XSCLK/PCM_CLK
XLRCK/PCM_FS
XSDOUT/
PCM_DOUT
XOUSB
XIUSB
GPIO3
P
I/O
P
I, ST
O, 4mA, SR
O, 4mA, SR
O, 4mA, SR
O
I
I/O
3.3V power pin
Filter for internal PLL
GND pin
I
2
S Din / PCM_Din
I
2
S SCLK for play/PCM_CLK (Master out/Slave in)
I
2
S L/R frame for play /PCM_FS (Master out/Slave in)
I
2
S Dout/PCM_Dout
6 MHz clock osc pin for USB PLL
6 MHz clock osc pin for USB PLL
General Purpose I/O 3
Power down switch control -- 0: normal mode, 1: power
31
PDSW
O, 4mA, SR
down mode. This pin is in power down mode when the
device is in suspending mode.
32
XMCLK/BITCLK
O, 8mA, SR
I
2
S CODEC master clock for play
Frequency mode select 2. {freqmode 2, 1, 0}: 011: 48K,
33
FREQMODE2
I, ST
010: 44.1K, 001: 11.025K, 000: 8K, 111: 32K, 110:
24.1K, 101: 22.05K, 100: 16K
Frequency mode select 1. {freqmode 2, 1, 0}: 011: 48K,
34
FREQMODE1
I, ST
010: 44.1K, 001: 11.025K, 000: 8K, 111: 32K, 110:
24.1K, 101: 22.05K, 100: 16K
35
36
37
38
39
VDD
VDD5D
VSS
RECORD
MUTER
P
P
P
I, ST
I, ST
3.3V power pin / regulator 3.3V out
5V power pin
GND pin
Recording function enable (1) / disable (0)
Recording mute, edge trigger with 64ms de-bouncing
circuit
Frequency mode select 1. {freqmode 2, 1, 0}: 011: 48K,
40
FREQMODE0
I, ST
010: 44.1K, 001: 11.025K, 000: 8K, 111: 32K, 110:
24.1K, 101: 22.05K, 100: 16K
Sonix Confidential
-5-
Do not copy, reproduce, or distribute without permission
2006 Aug 10, V1.01
SONIX [ SONIX TECHNOLOGY COMPANY ]
