參數(shù)資料
型號: EVAL-ADAU1381Z
廠商: Analog Devices Inc
文件頁數(shù): 63/84頁
文件大小: 0K
描述: BOARD EVALUATION FOR ADAU1381
標準包裝: 1
主要目的: 音頻編解碼器
嵌入式:
已用 IC / 零件: ADAU1381
已供物品:
相關(guān)產(chǎn)品: ADAU1381BCBZ-RL7DKR-ND - IC AUDIO CODEC STEREO LN 30WLCSP
ADAU1381BCBZ-RL7CT-ND - IC AUDIO CODEC STEREO LN 30WLCSP
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ADAU1381BCPZ-RL7-ND - IC AUDIO CODEC STEREO LN 32LFCSP
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ADAU1381
Rev. B | Page 66 of 84
Register 16423 (0x4027), Playback Speaker Output
Control
Bits[7:6], Speaker Output Gain Control
These bits control the gain of the speaker output. In general, this
parameter should be tuned at a system level, set once during system
initialization and not altered during operation of the system.
Bit 0, Speaker Output Enable
This bit enables the speaker output. It initiates the speaker power-
up and power-down sequences shown in Figure 36 and Figure 37.
Register 16424 (0x4028), Beep Zero-Crossing Detector
Control
Bits[4:3], Detector Timeout
The timeout detector waits the specified amount of time for a
beep zero crossing before forcing the mute or unmute in the
playback path beep gains (that is, the left playback beep gain,
right playback beep gain, and mono playback beep gain).
Bit 0, Zero-Crossing Detector Enable
This bit enables the zero-crossing detector. Disabling the beep
zero-crossing detector may cause clicks and pops on the output
when using the beep path.
Table 53. Playback Speaker Output Control Register
Bits
Description
Default
[7:6]
Speaker output gain control
00
00: 0 dB
01: 2 dB
10: 4 dB
11: 6 dB
[5:1]
Reserved
0
Speaker output enable
0
0: disabled
1: enabled
Table 54. Beep Zero-Crossing Detector Control Register
Bits
Description
Default
[7:5]
Reserved
[4:3]
Detector timeout
11
00: 20 ms
01: 10 ms
10: 5 ms
11: 2.5 ms
[2:1]
Reserved
0
Zero-crossing detector enable
1
0: disabled
1: enabled
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