參數(shù)資料
型號: ADAV4601BSTZ
廠商: Analog Devices Inc
文件頁數(shù): 39/60頁
文件大?。?/td> 0K
描述: IC AUDIO CODEC PROCESSOR 80-LQFP
標(biāo)準(zhǔn)包裝: 1
系列: SigmaDSP®
類型: 音頻處理器
應(yīng)用: TV
安裝類型: 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
ADAV4601
Rev. B | Page 44 of 60
Address 0x011E and Address 0x011F Headphone 1/AUXOUT4 Volume Control Registers (Default: 0x0080, 0x0000)
These two registers control the volume for the headphone and AUXOUT4 outputs.
The volume control words are 28-bit words in twos complement and a 5.23 format. This means there are five bits to the left of the decimal
point of which the most significant bit is the sign bit.
Table 37.
Bit No.
Bit Name
Description
Default
Bits[15:12]
Reserved
Always write as 0 if writing to this register.
0000
Bits[11:0]
Headphone 1 volume control[27:0]
0x011E Bits[11:0] = Headphone 1/AUXOUT 4 volume
Bits[27:16]
000010000000
Bits[15:0]
Headphone 1 volume control[27:0]
0x011F Bits[15:0] = Headphone 1/AUXOUT 4 volume
Bits[15:0]
0000000000000000
Address 0x0120 Headphone 1/AUXOUT4 Channel Loudness Register (Default: 0x0000)
Table 38.
Bit No.
Bit Name
Description
Default
Bits[15:7]
Reserved
Always write as 0 if writing to this register.
000000000
Bits[6:5]
Cutoff frequency
These register bits are used to control the cutoff frequency of the loudness.
00
00b = 10 Hz
01b = 30 Hz
10b = 50 Hz
11b = 70 Hz
Bits[4:0]
Loudness level
These register bits are used to control the required level of loudness. It can be
changed in 1 dB steps.
00000
0x00 = 0 dB
0x01 = 1 dB
0x0E = 14 dB
0x0F = 15 dB
Address 0x0121 Mute Control Register (Default: 0x0000)
Table 39.
Bit No.
Bit Name
Description
Default
Bits[15:8]
Reserved
Always write as 0 if writing to this register.
00000000
Bit[7]
Mute tweeter output
Mutes the tweeter output.
0
0b = mutes
1b = unmutes
Bit[6]
Mute woofer output
Mutes the woofer output.
0
0b = mutes
1b = unmutes
Bit[5]
Mute AUXOUT3 output
Mutes the AUXOUT3 output.
0
0b = mutes
1b = unmutes
Bit[4]
Mute HP1/AUXOUT4 output
Mutes the Headphone 1 and AUXOUT4 output.
0
0b = mutes
1b = unmutes
Bit[3]
Mute SDO0 output
Mutes the SDO0 output.
0
0b = mutes
1b = unmutes
Bit[2]
Mute SPDIF output
Mutes the SPDIF output.
0
0b = mutes
1b = unmutes
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