SN11113 spec

3

USB audio function topology has four input terminals, three output terminals, one selector

unit, one mixer unit, and six feature units

Alternate setting0 is a zero-bandwidth setting; used to release the claimed bandwidth on

the bus when this device is inactive

Isochronous transfer uses adaptive, synchronous and asynchronous synchronization

Supports AC’97 component specification v2.1 and v2.2; AC link interface for external

AC97 audio Codec

Compliant with USB HID class specification v1.1; pin control for volume up / down, play

mute, and record mute

Supports two wire series bus interface; slave only interface with transfer speed up to

400Kbps(Fast-mode)

EEPROM interface for customized USB IDs and Codec programming

3.3 V core operation and 5 V tolerant I/O

Available in 64-pin LQFP(10x10 mm)

System on chip solution: low cost and easy implementation without external memory

LED indicator pins for playback and recording mute

Features programmable by jumper pins

III.

Ordering information

SN11113F : 64-pin LQFP (10x10x1.4 mm)

IV.

Block diagram

-

CLK

generator

D+

D-

Memory

FIFO

EEPROM

interface

PLL

LEDN

Digital

receiver

S/PDIF O UT

S/PDIF IN

S/PDIF

decoder

AC'97 Controller

AC DIN

SC L

SDA

BITC LK

AC RS TN

AC SYNC

AC DO UT

CS

SK

DW

DR

Processor

MCU

interface

VO LUP

VO LDN

MUTEP

MUTER

PDSW

(TYPE0, TYPE1, TYPE2, TYPE3,

PLLEN, REC O RD)

HIDMUTER

M

U

X

User data bits

Preamble

Validity

Audio data

Channel status bits

Parity

Aux data

SO F

CMPC LK

XIAUD

XO AUD

USB

DPLL

XIUSB

XO USB

RS TN