Analog Devices ADAV4601

ADAV4601 System Design Document Confidential Information
Rev.1 August 2009 Analog Devices Page 75
Bit No. Bit Name Description Default
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 19.
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
Bits[5:0] Woofer
trim
These register bits are used to gain or attenuate the input to the woofer
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