TC3400 is a highly integrated eDP timing controller (Tcon) with integrated source drivers and a touchscreen controller (tTED) for notebook LTPS (Low-Temperature Polysilicon) and Oxide in-cell LCD panels. The device supports eDP 1.4b with features such as Multi-SST Operation (MSO) operation and PSR and PSR2.  TrueTouch® in-cell capacitive touch and active stylus functionality serve high end and commercial notebook applications. The TC3400 combines Parade’s broad portfolio of patented display and touchscreen technology as well as proven display processing and high-speed signal technology to provide a low-power, highly integrated display and touchscreen solution for notebook in-cell displays.  The device includes an integrated Integrated Arm® Cortex®-M4 processor for fast performance and configurability.

Key Features

Tcon Features

  • DisplayPort™ Input
    • Compliant to VESA Embedded DisplayPortTM Standard 1.4b
    • Supports 1/2 lane main link configuration and 2.7/2.43/2.16/1.62 Gbps data rate
    • Supports full link training, fast link training and no link training
    • Supports 18/24 bit RGB color format input
    • Supports eDP multi-stream operation (MSO)
    • Supports DisplayPort standard SSC 0.5% down spreading
  • PSR (Panel Self Refresh)
      • Supports Panel Self Refresh from eDP v1.3 (PSR)
      • Supports Panel Self Refresh with Selective Update (PSR2) with or without GTC from eDP v1.4b
      • Supports Intel Media Buffer Optimization (MBO)
      • Supports PSR/PSR2 up to 1920×1200 resolution with 24-bit RGB color format
      • Supports Single Frame Update
  • Refresh Rate Switching Mode
    • Supports Dynamic Refresh Rate (DRR) co-existing with PSR
    • Supports AMD Free Sync, VESA Adaptive Sync and Nvidia DD G-Sync
  • Content Protection
    • Supports eDP authentication options: Alternative Scrambler Seed Reset (ASSR)
  • Panel Interface
    • Supports all sized panels up to 1920×1280, 18/24 bit RGB color format (single chip)
    • Supports all sized panels up to 2560×1600, 18/24 bit RGB color format (MSO two chip)
  • TCON Interface
    • Supports MUX2/MUX3/MUX4/HSD pixel structures
    • Integrated TCON with programmable TCON control signal generation
    • Fully programmable Row Driver and Column Driver control timing
  • Video Processing
    • Stores LUT contents in EEPROM to support Gamma Correction, Color Engine and FRC
    • Supports programmable BIST or Aging patterns
    • Supports pattern detection
    • Supports eSOL
  • Backlight Control
    • Parade’s exclusive Smart-Backlight™ feature for color and power optimization (single chip only)

Driver Features

  • Supports 1452/1284/1212/1092/912/816 channels driver output
  • 6-bit color depth for 64 gray scale and 8-bit color depth for 256 gray scale
  • Embedded 22 set programmable internal gamma buffers
  • Supports Main buffer chopping and Gamma buffer chopping mode
  • Supports column inversion only
  • Supports 2 additional line repair buffers
  • Output Voltage Levels
    • VGHO: 7V ~ 15V
    • VGLO: AVDDN-0.5V ~ -12V
  • Level Shift: 30 channels for each side (L/R)
  • VCOM
  • 0.5V ~ -2.5V, step 10mV
  • Power Saving
    • White, Black, Red, Green, Blue and Mosaic

Touch Features

  • Supports 1596 in-cell touch sensors
  • Active stylus support for Wacom WGP-level1 and Microsoft MPP2.5
  • Reports up to 10 fingers
  • Touch refresh rate up to 120Hz
  • Screen sizes up to 16-inches diagonal
  • Supports passive stylus with palm rejection
  • Water rejection and wet finger tracking
  • Noise suppression technologies
  • Supports on-glass TPMUX2
  • 32-bit CPU HID compliant

Miscellaneous

  • Integrated Arm Cortex-M4 processor
  • Control Interfaces
    • I2C master with 64kb or 128kb EEPROM for loading register initial values, or for expansion function
    • Two I2C slaves: one for internal register control and pass through I2C access and the other for host processor
    • SPI for external flash memory and chip-to-chip communication
  • External Power Supplies
    • DVDD = 1.8V
    • AVDDP = 4.5V ~ 6V
    • AVDDN= – 4.5V ~ – 6V
    • VGH = 7V ~ 15V
    • VGL = AVDDN-0.5V ~ -12V
    • VCOMDC = 0.5V ~ -2.5V
  • ESD
    • Human Body Model: +/- 3000V
    • Machine Model: +/- 200V
  • Package: COG

Applications

  • LTPS (Low-Temperature Polysilicon) and Oxide in-cell touch LCD panels