Data Sheet
USB Audio Controller
SN11220ACF
V.
Block diagram
5.1 I2S interface (PADFUN3~0 = 0)
LEDN HIDMUTER
CODECSEL=1, RECORD,
FREQMODE2~0, PADFUN3~0
LFA
LFB
PDSW
RSTN
Preamble
Validity
VOLUP
VOLDN
MUTEP
MUTER
User data bits
PLL CLK
generator
M
Channel status bits
U
Processor
X
GPIO3~0
Parity
SCL
SDA
MCU
interface
Aux data
Audio data
CS
SK
EEPROM
interface
-
DW
DR
XSDIN
XSDOUT
D+
D-
Memory
FIFO
I2S
Codec controller
USB
XSCLK
XLRCK
XMCLK
5V to 3.3V
regulator
DPLL
XIUSB
S/PDIF
decoder
Digital
receiver
PLL
XOUSB
5.2 PCM interface (Dect or voice CODEC, set PADFUN3~0 value, refer to page 11)
LEDN HIDMUTER
LFA
LFB
CODECSEL=1, RECORD,
FREQMODE2~0, PADFUN3~0
PDSW
RSTN
Preamble
Validity
User data bits
VOLUP
VOLDN
MUTEP
MUTER
PLL CLK
generator
M
U
Channel status bits
Processor
X
GPIO3~0
SCL
Parity
MCU
interface
Aux data
SDA
Audio data
CS
SK
EEPROM
-
interface
DW
DR
PCM_DOUT
PCM_DIN
D+
D-
Memory
FIFO
USB
PCM IF Controller
PCM_MCLK
PCM_CLK
PCM_FS
5V to 3.3V
regulator
DPLL
XIUSB
Digital
S/PDIF
decoder
XOUSB
PLL
receiver
Sonix Confidential
- 7 -
Do not copy, reproduce, or distribute without permission
2006 Aug 10, V1.01
SONIX [ SONIX TECHNOLOGY COMPANY ]
