參數(shù)資料
型號: LM4931
廠商: National Semiconductor Corporation
英文描述: Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers
中文描述: 與單聲道音頻子系統(tǒng)高效揚聲器和立體聲耳機放大器
文件頁數(shù): 25/47頁
文件大?。?/td> 1640K
代理商: LM4931
Audio Interfaces
I
2
S
The LM4931 supports both master and slave I2S transmission at either 16 or 32 bits per word at clock rates up to 3.072MHz
(48kHz stereo, 32bit). The basic format is shown below:
PCM
The PCM interface is both master and slave and is compatible with National Semiconductor’s AAI, Motorola’s SSI, and Texas
Instrument’s McBSP audio codec interfaces. The protocol is short frame sync MSB first 2’s complement 16 bit linear. The MSB
always follows the sync pulse. In the case of companded data the first 8 bits are used and the interface can be slowed to 8 clock
cycles per sync. In PCM_LONG mode the PCM_SYNC signal is inverted relative to that shown below.
20100907
FIGURE 6.
20100965
FIGURE 7.
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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