ADPD6000 datasheet(87/89 Pages) AD

87 / 89 page

Data Sheet

ADPD6000

analog.com

Rev. 0 | 87 of 89

Table 21. Register Details

Reg

Name

Bits

Bit Name

Description

Reset Access

0010: connect TIA input to IMPIN.

0100: connect TIA input to EXCP.

1000: connect TIA input to EXCN.

[5:2]

BIOZ_DSW_x

Switch mux for excitation buffer output.

0x0

R/W

0001: connect excitation buffer output to IMPIP.

0010: connect excitation buffer output to IMPIN.

0100: connect excitation buffer output to EXCP.

1000: connect excitation buffer output to EXCN.

BIOZ_TRSW_x

T switch in mux for RCALx.

0x0

R/W

0: disconnect RCALx to HPTIA.

1: connect RCALx to HPTIA.

BIOZ_DRSW_x

D switch in mux for RCALx.

0x0

R/W

0: disconnect RCALx to excitation buffer.

1: connect RCALx to excitation buffer.

0x02AC BIOZ_ANA_CTRL3_A

[15:2]

RESERVED

Reserved.

0x0

0x02CC BIOZ_ANA_CTRL3_B

[1:0]

BIOZ_RINT_SW_x

Support internal calibration resistor. Set to 0x11 to enable the

internal calibration resolution.

0x0

R/W

0x02EC BIOZ_ANA_CTRL3_C

00: floating internal calibration resistance.

0x030C BIOZ_ANA_CTRL3_D

11: connect internal calibration resistance to excitation buffer

and HPTIA.

0x032C BIOZ_ANA_CTRL3_E

0x034C BIOZ_ANA_CTRL3_F

0x02AD BIOZ_ADCFILTERCON_A

[15:6]

RESERVED

Reserved.

0x0

0x02CD BIOZ_ADCFILTERCON_B

[5:4]

BIOZ_AVRGNUM_x

Sets number of samples used by the averaging function.

0x0

R/W

0x02ED BIOZ_ADCFILTERCON_C

00: Two ADC samples.

0x030D BIOZ_ADCFILTERCON_D

01: Four ADC samples. The number of input data for one

average is four.

0x032D BIOZ_ADCFILTERCON_E

10: Eight ADC samples. The number of input data for one

average is eight.

0x034D BIOZ_ADCFILTERCON_F

11: 16 ADC samples. The number of input data for one average

is 16.

BIOZ_AVRGEN_x

Average function enable. Enable average operation of SINC3

filter output

0x0

R/W

0: disable. SINC3 filter result fed to the next stage directly.

1: enable. Averaged result fed to the next stage.

BIOZ_SINC3BYP_x

Bypass SINC3 filter.

0x0

R/W

0: enable SINC3 filter.

1: bypass SINC3 filter.

[1:0]

BIOZ_SINC3OSR_x

SINC3 filter oversampling rate.

0x0

R/W

00: oversampling rate of five.

01: oversampling rate of four.

10: oversampling rate of two.

11: oversampling rate of five.

0x02AE BIOZ_DFTCON_A

[15:6]

RESERVED

Reserved.

0x0

0x02CE BIOZ_DFTCON_B

BIOZ_WG_DFT_DIFF_PHASE_E

N_x

Wave generator block sine wave and DFT block sine wave use a

different offset.

0x0

R/W

0x02EE BIOZ_DFTCON_C

0: use the same offset.

0x030E BIOZ_DFTCON_D

1: use the different offset.

0x032E BIOZ_DFTCON_E

BIOZ_HANNINGEN_x

Enable Hanning window.

0x0

R/W

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