JAJSAR0B March   2007  – October 2017 LM95214

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     リモート1温度エラー、TA＝TD
  4. 4 改訂履歴
  5. 5 概要（続き）
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics: Temperature-to-Digital Converter
    6. 7.6 Logic Electrical Characteristics: Digital DC Characteristics
    7. 7.7 Switching Characteristics: SMBus Digital
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Conversion Sequence
      2. 8.3.2 Power-On-Default States
      3. 8.3.3 SMBus Interface
      4. 8.3.4 Temperature Conversion Sequence
        1. 8.3.4.1 Digital Filter
      5. 8.3.5 Fault Queue
      6. 8.3.6 Temperature Data Format
      7. 8.3.7 SMBDAT Open-Drain Output
      8. 8.3.8 TCRIT1, TCRIT2, and TCRIT3 Outputs
      9. 8.3.9 TCRIT Limits and TCRIT Outputs
    4. 8.4 Device Functional Modes
      1. 8.4.1 Diode Fault Detection
      2. 8.4.2 Communicating With the LM95214
      3. 8.4.3 Serial Interface Reset
      4. 8.4.4 One-Shot Conversion
    5. 8.5 Register Maps
      1. 8.5.1 LM95214 Registers
        1. 8.5.1.1 Value Registers
          1. 8.5.1.1.1 Local Value Registers
          2. 8.5.1.1.2 Remote Temperature Value Registers With Signed Format
          3. 8.5.1.1.3 Remote Temperature Value Registers With Unsigned Format
        2. 8.5.1.2 Diode Configuration Register
          1. 8.5.1.2.1 Remote 1-4 Offset
        3. 8.5.1.3 Configuration Registers
          1. 8.5.1.3.1 Main Configuration Register
          2. 8.5.1.3.2 Conversion Rate Register
          3. 8.5.1.3.3 Channel Conversion Enable
          4. 8.5.1.3.4 Filter Setting
          5. 8.5.1.3.5 1-Shot
        4. 8.5.1.4 Status Registers
          1. 8.5.1.4.1 Common Status Register
          2. 8.5.1.4.2 Status 1 Register (Diode Fault)
          3. 8.5.1.4.3 Status 2 (TCRIT1)
          4. 8.5.1.4.4 Status 3 (TCRIT2)
          5. 8.5.1.4.5 Status 4 (TCRIT3)
        5. 8.5.1.5 Mask Registers
          1. 8.5.1.5.1 TCRIT1 Mask Register
          2. 8.5.1.5.2 TCRIT2 Mask Registers
          3. 8.5.1.5.3 TCRIT3 Mask Register
        6. 8.5.1.6 Limit Registers
          1. 8.5.1.6.1 Local Limit Register
          2. 8.5.1.6.2 Remote Limit Registers
          3. 8.5.1.6.3 Common Tcrit Hysteresis Register
        7. 8.5.1.7 Identification Registers
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
    3. 9.3 Diode Non-Ideality
      1. 9.3.1 Diode Non-Ideality Factor Effect on Accuracy
      2. 9.3.2 Calculating Total System Accuracy
      3. 9.3.3 Compensating for Different Non-Ideality
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12デバイスおよびドキュメントのサポート
    1. 12.1 ドキュメントの更新通知を受け取る方法
    2. 12.2 コミュニティ・リソース
    3. 12.3 商標
    4. 12.4 静電気放電に関する注意事項
    5. 12.5 Glossary
  13. 13メカニカル、パッケージ、および注文情報

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

8.5.1.1.2 Remote Temperature Value Registers With Signed Format

Register Name Command Byte
(Hex)		 Read/
Write		 D7 D6 D5 D4 D3 D2 D1 D0 POR Default (Hex)
Remote Temp 1 MSB – Signed 0x11 RO SIGN 64 32 16 8 4 2 1 –
Remote Temp 1 LSB – Signed, Digital Filter Off 0x21 RO 1/2 1/8 0 0 0 0 0 0 –
Remote Temp 1 LSB – Signed, Digital Filter On 1/16 1/32
Remote Temp 2 MSB – Signed 0x12 RO SIGN 64 32 16 8 4 2 1 –
Remote Temp 2 LSB – Signed, Digital Filter Off 0x22 RO 1/2 1/8 0 0 0 0 0 0 –
Remote Temp 2 LSB – Signed, Digital Filter On 1/16 1/32
Remote Temp 3 MSB – Signed 0x13 RO SIGN 64 32 16 8 4 2 1 –
Remote Temp 3 LSB – Signed 0x23 RO 1/2 1/8 0 0 0 0 0 0 –
Remote Temp 4 MSB – Signed 0x14 RO SIGN 64 32 16 8 4 2 0 –
Remote Temp 4 LSB – Signed 0x24 RO 1/2 1/8 0 0 0 0 0 0 –

The Local temperature MSB value register range is +127°C to −128°C. The value programmed in this register is used to determine a local temperature error event.

Bit(s) Bit Name Read/Write Description
7 SIGN RO Sign bit
6 64 RO bit weight 64°C
5 32 RO bit weight 32°C
4 16 RO bit weight 16°C
3 8 RO bit weight 8°C
2 4 RO bit weight 4°C
1 2 RO bit weight 2°C
0 1 RO bit weight 1°C
Bit(s) Bit Name Read/Write Description
7 1/2 RO bit weight 1/2°C (0.5°C)
6 1/4 RO bit weight 1/4°C (0.25°C)
5 1/8 RO bit weight 1/8°C (0.125°C)
4 0 or 1/16 RO When the digital filter is disabled this bit will always read 0.
When the digital filter is enabled this bit will report 1/16°C (0.0625°C) bit state.
3 0 or 1/32 RO When the digital filter is disabled this bit will always read 0.
When the digital filter is enabled this bit will report 1/32°C (0.03125°C) bit state.
2-0 0 RO Reserved – will report 0 when read.