ADS1194 datasheet(49/80 Pages) TI

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ADS1294

, ADS1296

ADS1298

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SBAS459E – JANUARY 2010 – REVISED AUGUST 2010

RESP: Respiration Control Register

Address = 16h

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

RESP_PH2

RESP_PH1

RESP_PH0

RESP_CTRL1

RESP_CTRL0

This register provides the controls for the respiration circuitry; see the Respiration section for details.

Bits[7:5]

Must always be set to '0'

Bits[4:2]

RESP_PH[2:0]: Respiration phase(1)

These bits control the phase of the respiration demodulation control signal. (GPIO4 is out-of-phase with GPIO3 by the

phase determined by the RESP_PH bits)

000 = 22.5°

001 = 45°

010 = 67.5°

011 = 90°

100 = 112.5°

101 = 135° (default)

110 = 157.5°

111 = 180°

Bits[1:0]

RESP_CTRL[1:0]: Respiration control

These bits set the mode of the respiration circuitry.

00 = No respiration

01= External respiration (default)

10 = N/A

11 = N/A

(1)

RESP_PH[2:0] do not function at sample rates less than 32kSPS.

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ADS1194 Datasheet(PDF) 49 Page - Texas Instruments

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