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PCM1861 Datasheet(PDF) 76 Page - Texas Instruments

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Part # PCM1861
Description  PCM186x 110dB 2ch and 4ch Audio ADCs with Universal Front End
PDF  115 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM1861 Datasheet(HTML) 76 Page - Texas Instruments

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PCM1861, PCM1863, PCM1865
SLAS831C – MARCH 2014 – REVISED AUGUST 2014
www.ti.com
TX_TDM_OFFSET[7:0]
Set offset position in a serial audio data frame. This setting is enabled when 0x0B FMT[1:0] is set to
DSP format.
Default value: 00000000
0: 0 (Default)
1: 1 BCK (Same as I2S)
2: 2 BCK
3: 3 BCK
:
:
255: 255 BCK
Page 0 / Register 14 (Hex 0x0E)
Dec
Hex
b7
b6
b5
b4
b3
b2
b1
b0
14
0x0E
RX_TDM_OFFSE
RX_TDM_OFFSE
RX_TDM_OFFSE
RX_TDM_OFFSE
RX_TDM_OFFSE
RX_TDM_OFFSE
RX_TDM_OFFSE
RX_TDM_OFFSE
T7
T6
T5
T4
T3
T2
T1
T0
Reset Value
0
0
0
0
0
0
0
0
RX_TDM_OFFSET[7:0]
Set offset position in a serial audio data frame. This setting is enabled when I2S_RX_FMT is set to DSP
format.
Default value: 00000000
Offset position in a serial audio data frame.
0: 0 (Default)
1: 1 BCK (Same as I2S, only if LRCK is configured as 50/50 duty cycle)
2: 2 BCK
3: 3 BCK
:
:
255: 255 BCK
Page 0 / Register 15 (Hex 0x0F)
Dec
Hex
b7
b6
b5
b4
b3
b2
b1
b0
15
0x0F
DPGA_VAL_CH1
DPGA_VAL_CH1
DPGA_VAL_CH1
DPGA_VAL_CH1
DPGA_VAL_CH1
DPGA_VAL_CH1
DPGA_VAL_CH1
DPGA_VAL_CH1
_L7
_L6
_L5
_L4
_L3
_L2
_L1
_L0
Reset Value
0
0
0
0
0
0
0
0
DPGA_VAL_CH1_L[7:0]
Gain setting for digital PGA when the device is used in the following scenarios:
i. Analog PGA gain and digital PGA are set separately. ii. Digital Microphone Interface is used (4-channel
device only, when Manual Gain Mapping is enabled in register 0x19)
Default value: 00000000
Specify 2s complement value with 7.1 format.
0x28 - 0x3F in 0.5 dB steps
Others: Reserved
Page 0 / Register 16 (Hex 0x10)
Dec
Hex
b7
b6
b5
b4
b3
b2
b1
b0
16
0x10
GPIO1_POL
GPIO1_FUNC2
GPIO1_FUNC1
GPIO1_FUNC0
GPIO0_POL
GPIO0_FUNC2
GPIO0_FUNC1
GPIO0_FUNC0
Reset Value
0
0
0
0
0
0
0
1
76
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Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: PCM1861 PCM1863 PCM1865



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