Data Sheet
USB Audio Controller
SN11220ACF
3.3V power pin
21
22
23
24
VDD
LFA
P
Filter for internal PLL
GND pin
I/O
P
VSSA_PLLA
XSDIN/PCM_DIN
I2S Din / PCM_Din
I, ST
I2S SCLK for play/PCM_CLK (Master out/Slave in)
I2S L/R frame for play /PCM_FS (Master out/Slave in)
25
26
XSCLK/PCM_CLK O, 4mA, SR
XLRCK/PCM_FS
XSDOUT/
O, 4mA, SR
O, 4mA, SR
I2S Dout/PCM_Dout
27
28
PCM_DOUT
6 MHz clock osc pin for USB PLL
XOUSB
O
6 MHz clock osc pin for USB PLL
29
30
XIUSB
GPIO3
I
General Purpose I/O 3
I/O
Power down switch control -- 0: normal mode, 1: power
down mode. This pin is in power down mode when the
device is in suspending mode.
31
32
33
PDSW
O, 4mA, SR
O, 8mA, SR
I, ST
I2S CODEC master clock for play
XMCLK/BITCLK
FREQMODE2
Frequency mode select 2. {freqmode 2, 1, 0}: 011: 48K,
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,
010: 44.1K, 001: 11.025K, 000: 8K, 111: 32K, 110:
24.1K, 101: 22.05K, 100: 16K
34
FREQMODE1
I, ST
3.3V power pin / regulator 3.3V out
35
36
VDD
P
P
5V power pin
VDD5D
GND pin
37
38
VSS
P
Recording function enable (1) / disable (0)
RECORD
I, ST
Recording mute, edge trigger with 64ms de-bouncing
circuit
39
40
MUTER
I, ST
I, ST
Frequency mode select 1. {freqmode 2, 1, 0}: 011: 48K,
010: 44.1K, 001: 11.025K, 000: 8K, 111: 32K, 110:
24.1K, 101: 22.05K, 100: 16K
FREQMODE0
Sonix Confidential
- 5 -
Do not copy, reproduce, or distribute without permission
2006 Aug 10, V1.01
SONIX [ SONIX TECHNOLOGY COMPANY ]
