參數(shù)資料
型號(hào): EVAL-ADAU1781Z
廠商: Analog Devices Inc
文件頁(yè)數(shù): 82/92頁(yè)
文件大小: 0K
描述: BOARD EVAL FOR ADAU1781
標(biāo)準(zhǔn)包裝: 1
系列: SigmaDSP®
主要目的: 音頻編解碼器
嵌入式: 是,DSP
已用 IC / 零件: ADAU1781
主要屬性: 立體聲,24 位,8 ~ 96 kHz 采樣率,GUI 工具
次要屬性: *
已供物品: *
ADAU1781
Rev. B| Page 83 of 92
Register 16513 (0x4081), Digital Power-Down 1
Bit 3, Output Precharge
The output precharge system allows the outputs to be biased before
they are enabled and prevents pops or clicks from appearing on
the output. This bit should be set to 1 at all times.
Bit 2, Zero-Crossing Detector
Setting this bit to 0 disables the zero-crossing detector for beep
playback.
Bit 1, Digital Microphone
Setting this bit to 0 disables the digital microphone input.
Bit 0, DAC Engine
Setting this bit to 0 disables the DACs.
Table 72. Digital Power-Down 1 Register
Bits
Description
Default
[7:4]
Reserved
3
Output precharge
1
0: disabled
1: enabled
2
Zero-crossing detector
1
0: disabled
1: enabled
1
Digital microphone
0
0: disabled
1: enabled
0
DAC engine
0
0: disabled
1: enabled
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