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| 型号： | PADS1298CZXGT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PBGA64 |
| 封装： | 8 X 8 MM, LEAD FREE, PLASTIC, NFBGA-64 |
| 文件页数： | 41/73页 |
| 文件大小： | 957K |
| 代理商： | PADS1298CZXGT |
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PRODUCTPREVIEW
SBAS459C – JANUARY 2010 – REVISED MARCH 2010
www.ti.com
RESP: Respiration Control Register
Address = 16h
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RESP_
RESP_MOD_
RESP_PH2
RESP_PH1
RESP_PH0
RESP_CTRL1
RESP_CTRL0
DEMOD_EN1
EN1
VREFP
This register provides the controls for the respiration circuitry; see the Respiration section for details.
Bit [7]
Bit [7] RESP_DEMOD_EN1: Enables respiration demodulation circuitry
This bit enables/disables the demodulation circuitry on channel 1.
0 = RESP demodulation circuitry turned off (default)
1 = RESP demodulation circuitry turned on
Bit [6]
RESP_MOD_EN1: Enables respiration modulation circuitry
This bit enables/disables the modulation circuitry on channel 1.
0 = RESP modulation circuitry turned off (default)
1 = RESP modulation circuitry turned on
Bit [5]
RESP_MOD_VREFP: VREFP modulation source
This bit sets VREFP as the source for modulation.
0 = AVDD (default)
1 = VREFP
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.
46
Copyright 2010, Texas Instruments Incorporated
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