TIDUF81 November   2024 AFE4960 , CC2674R10 , TMP119

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Introduction to the Parameters Measured With TIDA-010270
    2. 1.2 System Introduction and Application
    3. 1.3 System Design Features
    4. 1.4 Key System Specification
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 AFE4960 and Power Supply
      2. 2.2.2 CC2674R10 Bluetooth® Low Energy Microcontroller
      3. 2.2.3 ECG and Respiration Lead Configuration
      4. 2.2.4 Temperature Sensor
      5. 2.2.5 Selecting Power Supplies
      6. 2.2.6 Power Supplies
      7. 2.2.7 LED Indicator
    3. 2.3 Highlighted Products
      1. 2.3.1 AFE4960
      2. 2.3.2 CC2674R10
      3. 2.3.3 TMP119
      4. 2.3.4 TPD1E01B04
      5. 2.3.5 TPS628437
      6. 2.3.6 TPS61299
    4. 2.4 Battery Life Calculations
      1. 2.4.1 AFE4960 Current Consumption
      2. 2.4.2 CC2674R10 Current Consumption
      3. 2.4.3 On-State Current Calculations
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
      1. 3.1.1 Introduction for Bluetooth® Low Energy Board
      2. 3.1.2 Sensor Board Introduction
      3. 3.1.3 Board Connection and XDS110 Interface
    2. 3.2 Software Requirements
      1. 3.2.1 Biosensing Demonstration Loading With Code Composer Studio (CCS) IDE
      2. 3.2.2 SimpleLink MCU Connect
      3. 3.2.3 AFE4960 Configuration
      4. 3.2.4 Biosensing Demonstration Flow Chart for CC2674R10
    3. 3.3 Test Setup
    4. 3.4 Test Results
      1. 3.4.1 Real-Time ECG and Respiration Measurement
      2. 3.4.2 DC Lead-Off Detection
      3. 3.4.3 DC/DC Converters Waveforms
      4. 3.4.4 Power Consumption Test
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 PCB Layout Recommendations
      1. 4.2.1 Layout for the Main Board
      2. 4.2.2 Layout for the Sensor Board
    3. 4.3 Tools and Software
    4. 4.4 Documentation Support
    5. 4.5 Support Resources
    6. 4.6 Trademarks
  11. 5About the Author

3.2.3 AFE4960 Configuration

The AFE4960 device is configured to measure the one-channel ECG and one-channel respiration in this design. Follow the register settings in the design example – 3-lead ECG section of the AFE4960 data sheet (Contact TI).

Table 3-1 shows the custom configurations apart from the recommendations in the design example – 3-lead ECG section of the in AFE4960 data sheet.

Table 3-1 Custom Configuration for TIDA-010270 Testing
PARAMETERREGISTERVALUE (DEC)SETTING | COMMENTS
Interrupt configurationINT_MUX_ADC_RDY_12FIFO_RDY interrupt on ADC_RDY pin
EN_GPIO2_OUT1Single-pin interrupt on GPIO2 pin
INT_MUX_GPIO2_21
Watermark LevelREG_WM_FIFO107Set FIFO length to be 108
Interrupt on GPIO2MASK_DC_LEAD_DET0Enable interrupt of DC lead-off detection on GPIO2
MASK_ADC_FIFO_RDY1No ADC, FIFI ready interrupt
MASK_PACE_VALID_INT1No pace valid interrupt
MASK_AC_LEAD_ON1No AC lead off detection interrupt on GPIO2
MASK_AC_LEAD_OFF1