SBOS545D February   2011  – December 2018 TMP103

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application Diagram
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 One-Shot Mode
      3. 7.4.3 Continuous Conversion Mode
    5. 7.5 Programming
      1. 7.5.1  Temperature Watchdog Function
      2. 7.5.2  Conversion Rate
      3. 7.5.3  Shutdown Mode (M1 = 0, M0 = 0)
      4. 7.5.4  One-Shot (M1 = 0, M0 = 1)
      5. 7.5.5  Continuous Conversion Mode (M1 = 1)
      6. 7.5.6  Bus Overview
      7. 7.5.7  Serial Interface
      8. 7.5.8  Serial Bus Address
      9. 7.5.9  Writing and Reading Operation
      10. 7.5.10 Slave Mode Operations
        1. 7.5.10.1 Slave Receiver Mode
        2. 7.5.10.2 Slave Transmitter Mode
      11. 7.5.11 General Call
      12. 7.5.12 High-Speed (Hs) Mode
      13. 7.5.13 Timeout Function
      14. 7.5.14 Multiple Device Access
        1. 7.5.14.1 Multiple Device Access Write
        2. 7.5.14.2 Multiple Device Access Read
      15. 7.5.15 NOISE
    6. 7.6 Register Maps
      1. 7.6.1 Pointer Register
      2. 7.6.2 Temperature Register
      3. 7.6.3 Configuration Register
      4. 7.6.4 Temperature Limit Registers
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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Multiple Device Access Read

Before an MDA read transaction can begin, the master must first send an MDA write transaction to set the appropriate pointer address of the register to be accessed, as stated in the previous section. The master can then transmit an MDA read address followed by a read byte for each TMP103 used on the bus. For example, if a TMP103A and TMP103B are used on the same bus and an MDA read address is sent, the address must be followed by two bytes of data and two master acknowledges. The TMP103A sends data on the first byte and the TMP103B sends data on the second byte. The master must issue an acknowledge for each byte read to read all of the TMP103 devices on the bus; see Figure 5. If the master does not acknowledge each byte of data, the TMP103s stop sending subsequent data for any remaining devices.

Up to eight TMP103 devices can be on the same bus and respond to MDA commands; see Table 2.

NOTE

If the bus contains an incomplete sequence of TMP103 device addresses, the master must transmit all required dummy bytes for the missing device address to allow for normal MDA read operation. For example, if the TMP103A, TMP103B, and TMP103D devices are on the bus, the master must transmit an MDA read address followed by four bytes and four acknowledges to complete the MDA read transaction.