Data Sheet
USB Six Channel Audio Controller
SN11116
3. Block diagram
PDSW
(TYPE0, TYPE1, TYPE2, TYPE3,
PLLEN, REC O RD)
LEDN
HIDMUTER
SOF
CMPCLK
XIAUD
XOAUD
RSTN
Preamble
Validity
VOLUP
VOLDN
MUTEP
MUTER
SCL
SDA
CS
SK
DW
DR
CLK
generator
User data bits
Channel status bits
Parity
M
U
X
S/PDIF OUT
Processor
MCU
interface
Aux data
parallel / serial
Audio data
EEPROM
interface
-
XSDIN
XCSN
XCDCLK
XCDOUT
XRSTN
XSCLK
XLRCK
XSDO1
XSDO2
XSDO3
XMCLK
D+
D-
Transceiver
DPLL
XIUSB
serial / parallel
USB
Memory
FIFO
Multi-channel
Codec controller
PLL
XOUSB
S /PDIF
decoder
Digital
receiver
S/PDIF IN
2
2004 March1 29, Revision V1.0