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 BT815/6 Series ICs – Embedded Video Engine (EVE)
EVE technology is a revolutionary concept that utilizes an object oriented methodology for creating hi-quality human machine interfaces (HMIs). With support for display, audio, and touch, this new technology allows engineers to quickly and efficiently design HMIs and deliver robust solutions, hi-resolution displays with lower bill of material costs.
 Overview
Building on the success of the first two generations of FT8xx touch display controller ICs with Embedded Video Engine (EVE) technology, the series has now been extended to include a further two graphics controller devices which offer a plethora of improvements and extended capabilities, the BT815/6 series.

Support for the Adaptive Scalable Texture Compression (ASTC) algorithm means that image quality can be significantly enhanced without needing greater bandwidth to be allocated as the compression algorithm allows for smaller compressed files, thus providing the ability to enable major savings in memory space required when it comes to larger fonts and data-heavy images.

Further memory management and system resource improvements are available in the form of a dedicated QSPI host port for attaching an external flash memory, to supplement the EVE controller’s on-chip memory. The dedicated port is used exclusively for accessing external memory thus extending the on-chip capacity to store additional image and audio objects such as bitmaps and fonts required in many feature rich displays. As an additional port this frees up the main system QSPI port used to control the BT816 devices from memory copy tasks and as such reduces the workload on the system MCU.


 
 
 Key Hardware Features
  • BT815/6 functionality includes graphic control, audio control, and touch control interface.
  • Support multiple widgets for simplified design implementation
  • Support Adaptive Scalable Texture Compression (ASTC) format to save considerable memory space for larger fonts and graphics images
  • Support external QSPI NOR flash to fetch graphic elements(image, font, widget etc)
  • Support 4-wire resistive touch screen (BT816)
  • Support capacitive touch screen with up to 5 touches detection (BT815)
  • Hardware engine can recognize touch tags and track touch movement. Provides notification for up to 255 touch tags.
  • Programmable interrupt controller provides interrupts to host MCU
  • Built-in 12MHz crystal oscillator with PLL providing programmable system clock up to 72MHz
  • Video RGB parallel output; configurable to support PCLK up to 60MHz and R/G/B output of 1 to 8 bits
  • Programmable timing to adjust HSYNC and VSYNC timing, enabling interface to numerous displays
  • Support for LCD display with resolution up to SVGA (800×600) and formats with data enable (DE) mode or VSYNC/HSYNC mode
  • Support landscape and portrait orientations
  • Display enable control output to LCD panel
  • Integrated 1MByte graphics RAM, no frame buffer RAM required
  • Support playback of motion-JPEG encoded AVI videos
  • Built-in sound synthesizer
  • Audio wave playback for mono 8-bit linear PCM, 4-bit ADPCM and µ-Law coding format at sampling frequencies from 8 kHz to 48 kHz. Built-in digital filter reduces the system design complexity of external filtering
  • PWM output for display backlight dimming control
  • Supports I/O voltage from 1.8V to 3.3V
  • Built-in Power-on-reset circuit
  • -40°C to 85°C extended operating temperature range
  • Available in a compact Pb-free, VQFN-package, RoHS compliant
   
 Application Areas
  • Point of Sale Machines
  • Multi-function Printers
  • Instrumentation
  • Home Security Systems
  • Graphic Touch Pad e.g. Remote, Dial Pad
  • Tele/Video Conferencing Systems
  • Phones and Switchboards
  • Medical Appliances
  • Blood Pressure Displays
  • Heart Monitors
  • Glucose Level Displays
  • Breathalyzers
  • Gas Chromatographs
  • Power Meter
  • Home Appliance Devices
  • Set-top boxes
  • Thermostats
  • Sprinkler System Displays
  • Medical Applianced
  • GPS/Satnax
  • Vending Machine Control Panels
  • Elevator Controls
 Product Information



BT815 IC with ASTC and external NOR flash, 64 Pin VQFN, capacitive touch
BT816 IC with ASTC and external NOR flash, 64 Pin VQFN, resistive touch wi

 

 
  

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