參數資料
型號: ADAV4601BSTZ
廠商: Analog Devices Inc
文件頁數: 31/60頁
文件大小: 0K
描述: IC AUDIO CODEC PROCESSOR 80-LQFP
標準包裝: 1
系列: SigmaDSP®
類型: 音頻處理器
應用: TV
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應商設備封裝: 80-LQFP(14x14)
包裝: 托盤
ADAV4601
Rev. B | Page 37 of 60
Address 0x0109 Crossover Register (Default: 0x0505)
Table 24.
Bit No.
Bit Name
Description
Default
Bits[15:14]
Reserved
Always write as 0 if writing to this register.
00
Bits[13:8]
Low crossover frequency
The low crossover frequency is the cutoff frequency of the crossover low-pass
filter. This means that only the frequencies under this frequency are sent to the
woofer output. The frequency changes in 10 Hz steps.
000101
0x00 = 50 Hz
0x01 = 60 Hz
0x02 = 70 Hz
0x03 = 80 Hz
0x04 = 90 Hz
0x05 = 100 Hz
0x06 = 110 Hz
0x2D = 500 Hz
0x2E = 510 Hz
Bits[7:6]
Reserved
Always write as 0 if writing to this register.
00
Bits[5:0]
High crossover frequency
The high crossover frequency is the cutoff frequency of the crossover high-pass
filter. This means that only the frequencies above this frequency are sent to the
tweeter output.
000101
0x00 = 50 Hz
0x01 = 60 Hz
0x02 = 70 Hz
0x03 = 80 Hz
0x04 = 90 Hz
0x05 = 100 Hz
0x06 = 110 Hz
...
0x3B = 640 Hz
0x3C = 650 Hz
Address 0x010A Crossover Trim Register (Default: 0x0E0E)
Table 25.
Bit No.
Bit Name
Description
Default
Bits[15:14]
Reserved
Always write as 0 if writing to this register.
00
Bits[13:8]
Tweeter trim
These register bits are used to gain or attenuate the input to the tweeter outputs from
14 dB to +14 dB in +1 dB steps.
001110
0x00 = +14 dB
0x01 = +13 dB
0x07 = +7 dB
0x0E = 0 dB
0x15 = 7 dB
0x1B = 13 dB
0x1C = 14 dB
Bits[7:6]
Reserved
Always write as 0 if writing to this register.
00
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