SBOS397I August   2007  – June 2024 TMP102

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Digital Temperature Output
      2. 6.3.2  Serial Interface
      3. 6.3.3  Bus Overview
      4. 6.3.4  Serial Bus Address
      5. 6.3.5  Writing and Reading Operation
      6. 6.3.6  Target Mode Operations
        1. 6.3.6.1 Target Receiver Mode
        2. 6.3.6.2 Target Transmitter Mode
      7. 6.3.7  SMBus Alert Function
      8. 6.3.8  General Call
      9. 6.3.9  High-Speed (HS) Mode
      10. 6.3.10 Timeout Function
      11. 6.3.11 Timing Diagrams
    4. 6.4 Device Functional Modes
      1. 6.4.1 Continuous-Conversion Mode
      2. 6.4.2 Extended Mode (EM)
      3. 6.4.3 Shutdown Mode (SD)
      4. 6.4.4 One-Shot/Conversion Ready (OS)
      5. 6.4.5 Thermostat Mode (TM)
        1. 6.4.5.1 Comparator Mode (TM = 0)
        2. 6.4.5.2 Interrupt Mode (TM = 1)
    5. 6.5 Programming
      1. 6.5.1 Pointer Register
      2. 6.5.2 Temperature Register
      3. 6.5.3 Configuration Register
        1. 6.5.3.1 Shutdown Mode (SD)
        2. 6.5.3.2 Thermostat Mode (TM)
        3. 6.5.3.3 Polarity (POL)
        4. 6.5.3.4 Fault Queue (F1/F0)
        5. 6.5.3.5 Converter Resolution (R1/R0)
        6. 6.5.3.6 One-Shot (OS)
        7. 6.5.3.7 EM Bit
        8. 6.5.3.8 Alert (AL Bit)
        9. 6.5.3.9 Conversion Rate (CR)
      4. 6.5.4 High- and Low-Limit Registers
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

6.5.2 Temperature Register

The Temperature Register of the TMP102 is configured as a 12-bit, read-only register (Configuration Register EM bit = 0, see the Extended Mode section), or as a 13-bit, read-only register (Configuration Register EM bit = 1) that stores the output of the most recent conversion. Two bytes must be read to obtain data, and are described in Table 6-8 and Table 6-9. Note that byte 1 is the most significant byte, followed by byte 2, the least significant byte. The first 12 bits (13 bits in Extended mode) are used to indicate temperature. The least significant byte does not have to be read if that information is not needed.

Table 6-8 Byte 1 of Temperature Register(1)
D7D6D5D4D3D2D1D0
T11T10T9T8T7T6T5T4
(T12)(T11)(T10)(T9)(T8)(T7)(T6)(T5)
(1) Extended mode 13-bit configuration shown in parenthesis.
Table 6-9 Byte 2 of Temperature Register(1)
D7 D6 D5 D4 D3 D2 D1 D0
T3 T2 T1 T0 0 0 0 0
(T4) (T3) (T2) (T1) (T0) (0) (0) (1)
(1) Extended mode 13-bit configuration shown in parenthesis.