SNLS531B April   2016  – June 2018 LMH0324

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Simplified Block 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 Recommended SMBus Interface AC Timing Specifications
    7. 6.7 Serial Parallel Interface (SPI) AC Timing Specifications
    8. 6.8 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 4-Level Input Configuration Pins
      2. 7.3.2 Carrier Detect
      3. 7.3.3 Adaptive Cable Equalizer
      4. 7.3.4 Launch Amplitude
      5. 7.3.5 Input-Output Mux Selection
      6. 7.3.6 Output Function Control
      7. 7.3.7 Output Driver Amplitude and De-Emphasis Control
      8. 7.3.8 Additional Programmability
        1. 7.3.8.1 Cable Length Indicator (CLI)
        2. 7.3.8.2 Digital MUTEREF
    4. 7.4 Device Functional Modes
      1. 7.4.1 System Management Bus (SMBus) Mode
        1. 7.4.1.1 SMBus Read and Write Transactions
          1. 7.4.1.1.1 SMBus Write Operation Format
          2. 7.4.1.1.2 SMBus Read Operation Format
      2. 7.4.2 Serial Peripheral Interface (SPI) Mode
        1. 7.4.2.1 SPI Read and Write Transactions
          1. 7.4.2.1.1 SPI Write Transaction Format
          2. 7.4.2.1.2 SPI Read Transaction Format
        2. 7.4.2.2 SPI Daisy Chain
    5. 7.5 LMH0324 Register Map
      1. 7.5.1 Share Register Page
      2. 7.5.2 CableEQ/Drivers Register Page
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 General Guidance for SMPTE Applications
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Recommended VOD and DE Register Settings
      4. 8.2.4 Application Performance Plots
  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

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RTW|24
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Share Register Page

Address Register Name Bit Field Default Type Description
0x00 Reserved 7:0 Reserved 0x00 R Reserved
0x01 Reserved 7:0 Reserved 0x40 R Reserved
0x02 Reserved 7:0 Reserved 0x02 RW Reserved
0x03 Reserved 7:0 Reserved 0x00 RW Reserved
0x04 Reserved 7:0 Reserved 0x01 RW Reserved
0x05 Reserved 7:0 Reserved 0x00 RW Reserved
0x06 Reserved 7:0 Reserved 0x00 RW Reserved
0x07 Reserved 7:0 Reserved 0x04 RW Reserved
0x08 Reserved 7:0 Reserved 0x11 RW Reserved
0x09 Reserved 7:0 Reserved 0x00 R Reserved
0xE2 Reset Share/Channel Regs 7:5 Reserved 0x10 R Reserved
4 reset_done R 1 = Internal state machine register initialization done.
0 = Internal state machine register initialization not done.
3:1 Reserved RW Reserved
0 reset_init RW 1 = Initialize internal state machine register settings.
0xF0 Device Revision 7:0 Version 0x02 R Device Revision
0xF1 Device ID 7:0 Device_ID 0x81 R For LMH0324, Device ID = 0x81
0xFF Register Communication Control 7:6 Reserved 0x00 RW Reserved
5:4 Reserved RW Reserved
3 Reserved RW Reserved
2 page_select_enable RW 0 = The shared registers are enabled.
1 = Enables communication access to the Register Page specified in Reg 0xFF[1:0].
1:0 page_select RW Enable communication access to a specific Register Page
01 = CableEQ/Drivers Register Page
Other values are invalid