參數(shù)資料
型號(hào)： ADAV4601BSTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 41/60頁(yè)
文件大?。?/td> 0K
描述： IC AUDIO CODEC PROCESSOR 80-LQFP
標(biāo)準(zhǔn)包裝： 1
系列： SigmaDSP®
類(lèi)型： 音頻處理器
應(yīng)用： TV
安裝類(lèi)型： 表面貼裝
封裝/外殼： 80-LQFP
供應(yīng)商設(shè)備封裝： 80-LQFP（14x14）
包裝： 托盤(pán)
ADAV4601
Rev. B | Page 46 of 60
Bit No.
Bit Name
Description
Default
Bit[2]
Enable HP1 loudness
When set to 1, it enables the loudness for the Headphone 1 channel.
0
0b = disabled
1b = enabled
Bit[1]
Enable HP1 beeper
When set to 1, it leaves only the beeper on the Headphone 1 channel. By default, this bit
is 0, which means the Headphone 1 channel input is added to the beeper.
0
0b = beeper and channel
1b = beeper only
Bit[0]
Enable spatializer
When set to 1, it enables the ADI spatializer.
1
0b = disabled
1b = enabled
Address 0x0123 Main Beeper Control Register (Default: 0x0005)
This register controls the main beeper block.
Table 41.
Bit No.
Bit Name
Description
Default
Bits[15:12]
Reserved
Always write as 0 if writing to this register.
0000
Bits[11:8]
Volume gain
These register bits control the volume of the beeper in the range of 38 dB to 10 dB in +2 dB steps.
0000
0x0 = off
0x1 = 38 dB
0x2 = 36 dB
...
0xE = 12 dB
0xF = 10 dB
Bits[7:6]
Reserved
Always write as 0 if writing to this register.
00
Bits[5:0]
Frequency
These register bits control the frequency of the beeper in the range of 0 Hz (beeper off ) to
11812.5 Hz in 187.5 Hz steps.
000101
0x00 = 0 Hz
0x01 = 187.5 Hz
0x02 = 375 Hz
0x03 = 562.5 Hz
0x04 = 750 Hz
0x05 = 937.5 Hz
0x06 = 1125 Hz
…
0x2E = 8625 Hz
0x2F = 8812.5 Hz
Address 0x0124 Low-Pass Filter (Subchannel) Register (Default: 0x0003)
This register is used to control the low-pass filter cutoff frequency for the subwoofer channel.
Table 42.
Bit No.
Bit Name
Description
Default
Bits[15:4]
Reserved
Always write as 0 if writing to this register.
000000000000
Bits[3:0]
LPF sub cutoff
These register bits control the cutoff frequency of the low-pass filter of the subwoofer
channel. The range of values is 60 Hz to 340 Hz in 20 Hz steps.
0011
0x0 = off
0x1 = 60 Hz
0x2 = 80 Hz
0x3 = 100 Hz
0x4 = 120 Hz
...
0xE = 320 Hz
0xF = 340 Hz
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