Data Sheet
USB Audio Controller
SN11220ACF
V.
5.1
Block diagram
I
2
S interface (PADFUN3~0 = 0)
PDSW
CODECSEL=1, RECORD,
FREQMODE2~0, PADFUN3~0
LEDN HIDMUTER
LFA
LFB
RSTN
VOLUP
VOLDN
MUTEP
MUTER
Preamble
Validity
PLL CLK
generator
User data bits
Channel status bits
Parity
M
U
X
Processor
GPIO3~0
SCL
SDA
CS
SK
DW
DR
MCU
interface
Aux data
parallel / serial
Audio data
EEPROM
interface
-
XSDIN
XSDOUT
D+
D-
5V to 3.3V
regulator
Transceiver
serial / parallel
USB
Memory
FIFO
I2S
Codec controller
XSCLK
XLRCK
XMCLK
DPLL
XIUSB
XOUSB
PLL
S/PDIF
decoder
Digital
receiver
5.2
PCM interface (Dect or voice CODEC, set PADFUN3~0 value, refer to page 11)
PDSW
CODECSEL=1, RECORD,
FREQMODE2~0, PADFUN3~0
LEDN
HIDMUTER
LFA
LFB
RSTN
Preamble
Validity
VOLUP
VOLDN
MUTEP
MUTER
GPIO3~0
SCL
SDA
CS
SK
DW
DR
PLL CLK
generator
User data bits
Channel status bits
Parity
M
U
X
Processor
MCU
interface
Aux data
parallel / serial
Audio data
EEPROM
interface
-
PCM_DOUT
PCM_DIN
D+
D-
Transceiver
serial / parallel
USB
Memory
FIFO
PCM IF Controller
PCM_MCLK
PCM_CLK
PCM_FS
5V to 3.3V
regulator
XIUSB
XOUSB
DPLL
PLL
S/PDIF
decoder
Digital
receiver
Sonix Confidential
-7-
Do not copy, reproduce, or distribute without permission
2006 Aug 10, V1.01
SONIX [ SONIX TECHNOLOGY COMPANY ]
