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PDF SN11113 Data sheet ( Hoja de datos )
| Número de pieza | SN11113 | |
| Descripción | USB AUDIO CONTROLLER | |
| Fabricantes | SONiX Technology Company | |
| Logotipo |  |
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SN11113 spec
SN11113
USB AUDIO CONTROLLER
Data Sheet
2003 March 5th, Version 1.01
1
1 page  
SN11113 spec
4
TYPE2
I, ST
Product type setting pin2
5
RSTN
I, ST, PU
System reset pin, pull low to reset
6
PDSW
O, 4mA, SR
Power down switch control -- 0: normal mode, 1: power down mode
7 SOF
O, 4mA, SR
USB SOF (Start of Frame) pin provides 1KHz signal
8 VDD P
Power pin
9 VSS
P
Power pin
10 NC
11 RVDD P
Power pin for pad
12 SDA
I/O, 4mA, SR
IIC data pin for external MCU control
13 SCL
I, ST
IIC clock pin for external MCU control
14 RVSS
P
Power pin for pad
15
LEDN
O, 8mA, SR
LED indicator pin, output low after power on reset, toggle during operation
16
SPDIFI
I, ST
Input pin for SPDIF signal
17
MUTER
I, ST
Recording mute, edge trigger with 64ms de-bouncing circuit
18
XVDD1
P
Power pin for USB external crystal
19
XIUSB
I
6 MHz clock osc pin for USB PLL
20
XOUSB
O
6 MHz clock osc pin for USB PLL
21
XVSS1
P
Power pin for USB external crystal
22 VDD
P
Power pin
23 VSS
P
Power pin
24 DR
I, ST
EEPROM data input
Fixing this pin to H or L sets USB vendor ID to SONiX USB vendor ID (hex
0C45); PU or PD is used for different product ID
25 DW
O, 4mA, SR
EEPROM data output
26
SPDIFO
O, 8mA, SR
SPDIF data output
27 SK
O, 4mA, SR
EEPROM clock pin
28 RVDD P
Power pin for pad
29 CS
O, 4mA, SR
EEPROM chip select
30 NC
31 NC
32
ACRSTN O, 4mA, SR
AC’97 Codec reset
33 RECORD I, ST
Recording function enable (=1)
34 NC
35 RVSS
P
Power pin for pad
36
BITCLK
O, 8mA, SR
AC’97 serial data clock
37
VOLUP
I, ST
Volume up control, edge trigger with 64ms de-bouncing circuit
38
ACSYNC O, 4mA, SR
AC’97 Codec sync (48 kHz) signal
39 NC
40
ACDIN
I, ST
AC’97 Codec serial data input
41 VSS
P
Power pin
42 VDD
P
Power pin
43
XVSS2
P
Power pin for external crystal
44
XOAUD
O
12.288 MHz Crystal output
45
XIAUD
I, ST
12.288 MHz Crystal input / connected to PLL VCO output
46
XVDD2
P
Power pin for external crystal
47 RVSS
P
Power pin for pad
48 RVDD P
Power pin for pad
49
TYPE3
I, ST
Product type setting pin3
5
5 Page 
TYPE3
1: bused power (500mA)
0: bused power (100mA)
SN11113 spec
1: bused power (500mA)
0: bused power (100mA)
1: bused power (500mA)
0: bused power (100mA)
1: bused power (500mA)
0: bused power (100mA)
PLLEN
1: use PLL
0: use Crystal
1: use PLL
0: use Crystal
1: use PLL
0: use Crystal
1: use PLL
0: use Crystal
1: A recording source,
MIC & LINE (def = MIC)
1: A+D recording sources,
MIC & LINE & SPDIF
(def = MIC)
1: A recording source,
MIC & LINE (def = MIC)
1: A+D recording sources,
MIC & LINE & SPDIF
(def = MIC)
RECORD 0: none
0: none
0: none
0: none
0: MUTER button doesn't mute 0: MUTER button doesn't mute 0: MUTER button doesn't mute 0: MUTER button doesn't mute
monitor CH
monitor CH
monitor CH
monitor CH
1: MUTER button will mute
monitor CH
ROMOPT
1: MUTER button will mute
monitor CH
1: MUTER button will mute
monitor CH
1: MUTER button will mute
monitor CH
‘ROMOPT’ value is set by ‘DR’ pin when no EEPROM is mounted on the board. Pulling high or
pulling low at DR pin can set ‘ROMOPT’ value to be 1 or 0. When EEPROM is used on the
board, ‘ROMOPT’ is defined by USB product ID bit1.
SN11113 can adopt two type clock sources for internal logic. One is using external PLL and the
other is using external crystal. ‘PLLEN’ pin is used to define clock source. When using external
PLL, it can synchronize to the USB frame rate. If the USB audio device uses PLL as clock
source and enables USB HID function, it can convey AC-3 data stream by vendor specific
software when playing DVD on PC.
‘RECORD’ pin is used to enable recording function. When the USB audio device having
recording function is plugged into PC, there is a default recording source defined above table. If
‘RECORD’ pin is pulled down, then the USB audio device has no recording function.
7.2.2 button function
The SN11113 has four buttons to control playback and recording volume. It supports volume
up, volume down, play mute, and recording mute. Button function is only effective in analog
terminal. 1M pull-up resistors connected to 3.3V are recommended for these pins. It supports
remote wakeup from device. A device in the resume state may respond to pressing button event
by signaling a wakeup to PC via the USB.
11
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet SN11113.PDF ] | |
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