ADPD6000 datasheet(74/89 Pages) AD

74 / 89 page

Data Sheet

ADPD6000

analog.com

Rev. 0 | 74 of 89

Table 21. Register Details

Reg

Name

Bits

Bit Name

Description

Reset Access

1: source current.

ECG_DCLO_POLARITY_IP

DC lead off output current polarity at ECGIP.

0x1

R/W

0: sink current.

1: source current.

[1:0]

ECG_DCLO_THRESHOLD

DC lead off threshold selection for the ECG inputs.

0x0

R/W

00: high threshold = AVDD3 − 0.1 V.

01: high threshold = AVDD3 − 0.2 V.

10: high threshold = AVDD3 − 0.3 V.

11: high threshold = AVDD3 − 0.4 V.

0x0102 ECG_DIG_CTRL1

[15:9]

RESERVED

Reserved.

0x0

[8:3]

ECG_OVERSAMPLING_RATIO

This field must be configured as ratio = ECG_ODR_SEL/(960

kHz/TIMESLOT_PERIOD_x) if using an internal low frequency

oscillator, or ratio = ECG_ODR_SEL/(external sync rate) if using

external triggers. The result is rounded up to the nearest integer.

0x3

R/W

[2:0]

ECG_ODR_SEL

ECG ODR.

0x0

R/W

000: 250 Ω.

001: 500 Ω.

010: 1 kΩ.

011: 2 kΩ.

100: 4 kΩ.

0x0103 ECG_DIG_CTRL2

[15:6]

RESERVED

Reserved.

0x0

ECG_ACLO_INV

The polarity of the ACLO signal can be inverted, and this can

be used to have the signal inverted on every other channel.

When set (1), ACLO is inverted, when cleared (0), ACLO is not

inverted.

0x0

R/W

ECG_BYPASS_EQLZR

Bypass equalizer filter in ECG postprocessing path.

0x0

R/W

[3:0]

ECG_CAL_GAIN

Calibrated gain ECG.

0x0

R/W

0000: 1.0000.

0001: 1.0039.

0010: 1.0078.

0011: 1.0117.

0100: 1.0156.

0101: 1.0195.

0110: 1.0234.

0111: 1.0273.

1000: 0.9688.

1001: 0.9727.

1010: 0.9766.

1011: 0.9805.

1100: 0.9844.

1101: 0.9883.

1110: 0.9922.

1111: 0.9961.

0x0120 TS_CTRL_A

SUBSAMPLE_x

Subsample using DECIMATE_FACTOR_x. When this bit is set,

operate the time slot only once per (DECIMATE_FACTOR_X

+ 1) time slot sequences. This subsampling aligns to other

time slots using the same decimate factor. Subsampling skips

DECMATE_FACTOR_x times and then executes the time slot.

0x0

R/W

0x0140 TS_CTRL_B

CH2_EN_x

Channel 2 enable.

0x0

R/W

0x0160 TS_CTRL_C

0: Channel 2 disabled.

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