Datasheet

TLV320AIC3110
SLAS647B –DECEMBER 2009–REVISED MAY 2012 www.ti.com
Table 5-19. ADC Biquad Filter Coefficients
Filter Coefficient RAM
Filter Filter Coefficient Default (Reset) Values
Location
Biquad A N0 Page 4 / register 14 and 0x7FFF (decimal 1.0 – LSB value)
page 4 / register 15
N1 Page 4 / register 16 and 0x0000
page 4 / register 17
N2 Page 4 / register 18 and 0x0000
page 4 / register 19
D1 Page 4 / register 20 and 0x0000
page 4 / register 21
D2 Page 4 / register 22 and 0x0000
page 4 / register 23
Biquad B N0 Page 4 / register 24 and 0x7FFF (decimal 1.0 – LSB value)
page 4 / register 25
N1 Page 4 / register 26 and 0x0000
page 4 / register 27
N2 Page 4 / register 28 and 0x0000
page 4 / register 29
D1 Page 4 / register 30 and 0x0000
page 4 / register 31
D2 Page 4 / register 32 and 0x0000
page 4 / register 33
Biquad C N0 Page 4 / register 34 and 0x7FFF (decimal 1.0 – LSB value)
page 4 / register 35
N1 Page 4 / register 36 and 0x0000
page 4 / register 37
N2 Page 4 / register 38 and 0x0000
page 4 / register 39
D1 Page 4 / register 40 and 0x0000
page 4 / register 41
D2 Page 4 / register 42 and 0x0000
page 4 / register 43
Biquad D N0 Page 4 / register 44 and 0x7FFF (decimal 1.0 – LSB value)
page 4 / register 45
N1 Page 4 / register 46 and 0x0000
page 4 / register 47
N2 Page 4 / register 48 and 0x0000
page 4 / register 49
D1 Page 4 / register 50 and 0x0000
page 4 / register 51
D2 Page 4 / register 52 and 0x0000
page 4 / register 53
Biquad E N0 Page 4 / register 54 and 0x7FFF (decimal 1.0 – LSB value)
page 4 / register 55
N1 Page 4 / register 56 and 0x0000
page 4 / register 57
N2 Page 4 / register 58 and 0x0000
page 4 / register 59
D1 Page 4 / register 60 and 0x0000
page 4 / register 61
D2 Page 4 / register 62 and 0x0000
page 4 / register 63
5.4.4.3.3 FIR Section
Three of the available ADC processing blocks offer FIR filters for signal processing. Processing block
PRB_R12 features a 20-tap FIR filter, whereas the processing blocks PRB_R6 and PRB_R18 feature a
25-tap FIR filter.
34 APPLICATION INFORMATION Copyright © 2009–2012, Texas Instruments Incorporated
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