DLPS253B September   2024  – August 2025 DLPC8445 , DLPC8455

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1.     6
    2. 4.1  Initialization, Board Level Test, and Debug
    3. 4.2  V-by-One Interface Input Data and Control
    4. 4.3  FPD Link Port(s) Input Data and Control (Not Supported in DLPC8445, DLPC8445V, and DLPC8455)
    5. 4.4  DSI Input Data and Clock (Not Supported in DLPC8445, DLPC8445V, and DLPC8455)
    6. 4.5  DMD SubLVDS Interface
    7. 4.6  DMD Reset and Low-Speed Interfaces
    8. 4.7  Flash Interface
    9. 4.8  Peripheral Interfaces
    10. 4.9  GPIO Peripheral Interface
    11. 4.10 Clock and PLL Support
    12. 4.11 Power and Ground
    13. 4.12 I/O Type Subscript Definition
    14. 4.13 Internal Pullup and Pulldown Characteristics
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2.     22
    3. 5.2  ESD Ratings
    4. 5.3  Recommended Operating Conditions
    5. 5.4  Thermal Information
    6. 5.5  Power Electrical Characteristics
    7. 5.6  Pin Electrical Characteristics
    8. 5.7  DMD SubLVDS Interface Electrical Characteristics
    9.     29
    10. 5.8  DMD Low-Speed Interface Electrical Characteristics
    11.     31
    12. 5.9  V-by-One Interface Electrical Characteristics
    13. 5.10 USB Electrical Characteristics
    14.     34
    15. 5.11 System Oscillator Timing Requirements
    16.     36
    17. 5.12 Power Supply and Reset Timing Requirements
    18.     38
    19. 5.13 V-by-One Interface General Timing Requirements
    20.     40
    21. 5.14 Flash Interface Timing Requirements
    22.     42
    23. 5.15 Source Frame Timing Requirements
    24.     44
    25. 5.16 Synchronous Serial Port Interface Timing Requirements
    26.     46
    27. 5.17 I2C Interface Timing Requirements
    28. 5.18 Programmable Output Clock Timing Requirements
    29. 5.19 JTAG Boundary Scan Interface Timing Requirements (Debug Only)
    30.     50
    31. 5.20 DMD Low-Speed Interface Timing Requirements
    32.     52
    33. 5.21 DMD SubLVDS Interface Timing Requirements
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Input Sources
      2. 6.3.2 V-by-One Interface
      3. 6.3.3 DMD (SubLVDS) Interface
      4. 6.3.4 Serial Flash Interface
      5. 6.3.5 GPIO Supported Functionality
        1.       63
        2.       64
      6. 6.3.6 Debug Support
  8. 7 Power Supply Recommendations
    1. 7.1 System Power-Up and Power-Down Sequence
    2. 7.2 DMD Fast Park Control (PARKZ)
    3. 7.3 Power Supply Management
    4. 7.4 Hotplug Usage
    5. 7.5 Power Supplies for Unused Input Source Interfaces
    6. 7.6 Power Supplies
      1. 7.6.1 Power Supplies DLPA3085 or DLPA3082
  9. 8 Layout
    1. 8.1 Layout Guidelines
      1. 8.1.1 Layout Guideline for DLPC8445, DLPC8445V, or DLPC8455 Reference Clock
        1. 8.1.1.1 Recommended Crystal Oscillator Configuration
      2. 8.1.2 V-by-One Interface Layout Considerations
      3. 8.1.3 DMD Maximum Pin-to-Pin, PCB Interconnects Etch Lengths
      4. 8.1.4 Power Supply Layout Guidelines
    2. 8.2 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Third-Party Products Disclaimer
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Device Nomenclature
      1. 9.5.1 Device Markings
    6. 9.6 Trademarks
    7. 9.7 Electrostatic Discharge Caution
    8. 9.8 Glossary
      1. 9.8.1 Video Timing Parameter Definitions
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.8 DMD Low-Speed Interface Electrical Characteristics

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Txload 100Ω differential PCB trace (50Ω transmission lines)  10 inches
VOH(DC) DC Single-ended output voltage high 0.7 × VDDS18_LVCMOSX 1.35 V
VOL(DC) DC single-ended output voltage low 0.3 × VDDS18_LVCMOSX 0.45 V
VOH(AC) (1) AC single-ended output voltage high 1.1 V
VOL(AC) (2) AC single-ended output voltage low –0.5, 0.2 × VDDS18_LVCMOSX 0.6 V
(1) VOH(AC) maximum applies to overshoot. When the DMD_LSX_WDATA and DMD_LSX_CLK lines include a proper 43Ω series termination resistor, the DMD operates within the LPSDR input AC specifications.
(2) VOH(AC) minimum applies to undershoot. When the DMD_LS_WDATA and DMD_LS_CLK lines include a proper 43Ω series termination resistor, the DMD operates within the LPSDR input AC specifications.