USB Two Channel Audio Controller
Data Sheet
SN11113
III.
Block diagram
(TYPE0, TYPE1, TYPE2, TYPE3, LEDN HIDMUTER
PDSW
PLLEN, RECORD)
S O F CMPCLK XIAUD
XO AUD
RSTN
VOLUP
VOLDN
MUTEP
MUTER
SCL
SDA
CS
SK
DW
DR
D+
D-
XIUS B
XO USB
EEPROM
interface
MCU
interface
Processor
USB
DPLL
PLL
-
Memory
FIFO
CLK
generator
Preamble
Validity
User data bits
Channel status bits M
U
X
Parity
Aux data
Audio data
S/PDIF OUT
AC'97 Controller
ACDIN
BITCLK
ACRSTN
ACSYNC
ACDO UT
S /PDIF
decoder
Digital
receiver
S/PDIF IN
IV. Pin description
4.1 SN11113 pin chart (64-pin LQFP)
2
2004 March 19, Revision V1.1