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PCM1870 Datasheet(PDF) 41 Page - Texas Instruments

Part # PCM1870
Description  16-Bit Low-Power Stereo Audio ADC With Microphone Bias and Microphone Amplifier
PDF  52 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

PCM1870 Datasheet(HTML) 41 Page - Texas Instruments

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PCM1870
SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007
Registers 97–100
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 97
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
F107
F106
F105
F104
F103
F102
F101
F100
Register 98
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
F115
F114
F113
F112
F111
F110
F109
F108
Register 99
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
F207
F206
F205
F204
F203
F202
F201
F200
Register 100
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
F215
F214
F213
F212
F211
F210
F209
F208
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 Calculating Filter Coefficients
for details.
Registers 101–104
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 101
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
S107
S106
S105
S104
S103
S102
S101
S100
Register 102
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
S115
S114
S113
S112
S111
S110
S109
S108
Register 103
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
S207
S206
S205
S204
S203
S202
S201
S200
Register 104
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
S215
S214
S213
S212
S211
S210
S209
S208
IDX[6:0]: 110 0101b (65h) Register 101
IDX[6:0]: 110 0110b (66h) Register 102
IDX[6:0]: 110 0111b (67h) Register 103
IDX[6:0]: 110 1000b (68h) Register 104
S[107:100]: Lower 8 Bits of Coefficient a1 for Second-Stage Notch Filter
S[115:108]: Upper 8 Bts of Coefficient a1 for Second-Stage Notch Filter
S[207:200]: Lower 8 Bits of Coefficient a2 for Second-Stage Notch Filter
S[215:208]: Upper 8 Bits of Coefficient a2 for Second-Stage Notch Filter
Default value: 0000 0000
These bits are used to change the characteristics of the second-stage notch filter. See Calculating Filter
Coefficients for details.
Copyright © 2007, Texas Instruments Incorporated
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