參數(shù)資料
型號(hào)： SN11113
廠商： SONIX Technology Co., Ltd.
英文描述： USB AUDIO CONTROLLER
中文描述： USB音效控制器
文件頁(yè)數(shù)： 11/22頁(yè)
文件大?。?/td> 266K
代理商： SN11113
SN11113 spec
11
1: bused power (500mA)
1: bused power (500mA)
1: bused power (500mA)
1: bused power (500mA)
TYPE3
0: bused power (100mA)
0: bused power (100mA)
0: bused power (100mA)
0: bused power (100mA)
1: use PLL
1: use PLL
1: use PLL
1: use PLL
PLLEN
0: use Crystal
0: use Crystal
0: use Crystal
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
monitor CH
0: MUTER button doesn't mute
monitor CH
0: MUTER button doesn't mute
monitor CH
0: MUTER button doesn't mute
monitor CH
ROMOPT
‘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.
1: MUTER button will mute
monitor CH
1: MUTER button will mute
monitor CH
1: MUTER button will mute
monitor CH
1: MUTER button will mute
monitor CH
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