參數(shù)資料
型號(hào)： PCM2904
元件分類： Codec
英文描述： STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF
中文描述： 立體聲音頻編解碼器帶USB接口的單ENEDE模擬輸入/輸出和S / PDIF
文件頁(yè)數(shù)： 22/32頁(yè)
文件大?。?/td> 299K
代理商： PCM2904
SLES042A JUNE 2002 REVISED JUNE 2004
www.ti.com
22
Interface #2
Interface #2 is the audio streaming data-in interface. Interface #2 has the following 19 alternative settings.
Alternative setting #0 is the zero-bandwidth setting. All other alternative settings are operational settings.
ALTERNATIVE
SETTING
DATA FORMAT
TRANSFER
MODE
SAMPLING RATE
(kHz)
00
Zero bandwidth
01
16 bit
Stereo
2s complement (PCM)
Asynchronous
48
02
16 bit
Mono
2s complement (PCM)
Asynchronous
48
03
16 bit
Stereo
2s complement (PCM)
Asynchronous
44.1
04
16 bit
Mono
2s complement (PCM)
Asynchronous
44.1
05
16 bit
Stereo
2s complement (PCM)
Asynchronous
32
06
16 bit
Mono
2s complement (PCM)
Asynchronous
32
07
16 bit
Stereo
2s complement (PCM)
Asynchronous
22.05
08
16 bit
Mono
2s complement (PCM)
Asynchronous
22.05
09
16 bit
Stereo
2s complement (PCM)
Asynchronous
16
0A
16 bit
Mono
2s complement (PCM)
Asynchronous
16
0B
8 bit
Stereo
2s complement (PCM)
Asynchronous
16
0C
8 bit
Mono
2s complement (PCM)
Asynchronous
16
0D
8 bit
Stereo
2s complement (PCM)
Asynchronous
8
0E
8 bit
Mono
2s complement (PCM)
Asynchronous
8
0F
16 bit
Stereo
2s complement (PCM)
Synchronous
11.025
10
16 bit
Mono
2s complement (PCM)
Synchronous
11.025
11
8 bit
Stereo
2s complement (PCM)
Synchronous
11.025
12
8 bit
Mono
2s complement (PCM)
Synchronous
11.025
Interface #3
Interface #3 is the interrupt data-in interface. Alternative setting #0 is the only possible setting for interface #3.
Interface #3 constructs the HID consumer control device. Interface #3 reports the following three key statuses.
Mute (0xE209)
Volume up (0xE909)
Volume down (0xEA09)
End-Points
The PCM2904/2906 has the following four end-points.
Control end-point (EP #0)
Isochronous-out audio data stream end-point (EP #2)
Isochronous-in audio data stream end-point (EP #4)
HID end-point (EP #5)
The control end-point is a default end-point. The control end-point is used to control all functions of the
PCM2904/2906 by the standard USB request and USB audio class specific request from the host. The
isochronous-out audio data stream end-point is an audio sink end-point, which receives the PCM audio data.
The isochronous-out audio data stream end-point accepts the adaptive transfer mode. The isochronous-in
audio data stream end-point is an audio source end-point that transmits the PCM audio data. The
isochronous-in audio data stream end-point uses the asynchronous transfer mode. The HID end-point is an
interrupt-in end-point. The HID end-point reports HID0, HID1, and HID2 pin status in every 32 ms.
The human interface device (HID) pins are defined as consumer control devices. The HID function is designed
as an independent end-point from both isochronous-in and -out end-points. This means that the result obtained
from the HID operation depends on the host software. Typically, the HID function is used as a primary audio-out
device.
相關(guān)PDF資料
PDF描述
PCM2904DB STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF
PCM2904DBR STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF
PCM2906 STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF
PCM2906DB STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF
PCM2906DBR STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM2904A1DB 制造商:Texas Instruments 功能描述:
PCM2904A1DBR 制造商:Texas Instruments 功能描述:
PCM2904DB 功能描述:接口—CODEC Ster Codec w/USB Ifc Sngl-end I/O RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM2904DBG4 功能描述:接口—CODEC Ster Codec w/USB Ifc Sngl-end I/O RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM2904DBR 功能描述:接口—CODEC Ster Codec w/USB Ifc Sngl-end I/O RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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