PCM3793A
PCM3794A
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SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
Registers 97–100
B15
B14
IDX6
IDX6
IDX6
IDX6
B13
IDX5
IDX5
IDX5
IDX5
B12
IDX4
IDX4
IDX4
IDX4
B11
IDX3
IDX3
IDX3
IDX3
B10
IDX2
IDX2
IDX2
IDX2
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 97
Register 98
Register 99
Register 100
0
IDX1
IDX1
IDX1
IDX1
IDX0
IDX0
IDX0
IDX0
F107
F115
F207
F215
F106
F114
F206
F214
F105
F113
F205
F213
F104
F112
F204
F212
F103
F111
F203
F211
F102
F110
F202
F210
F101
F109
F201
F209
F100
F108
F200
F208
0
0
0
IDX[6:0]: 110 0001b (61h): Register 97
IDX[6:0]: 110 0010b (62h): Register 98
IDX[6:0]: 110 0011b (63h): Register 99
IDX[6:0]: 110 0100b (64h): Register 100
F[107:100]: Lower 8 Bits of Coefficient a1 for First-Stage Notch Filter
F[115:108]: Upper 8 Bits of Coefficient a1 for First-Stage Notch Filter
F[207:200]: Lower 8 Bits of Coefficient a2 for First-Stage Notch Filter
F[215:208]: Upper 8 Bits of Coefficient a2 for First-Stage Notch Filter
Default value: 0000 0000
These bits are used to change the characteristics of the first-stage notch filter. See Figure 39 for details.
58
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