Description

YGV631-BZ is an electronic component model that belongs to the IC Chips product category. It is a pattern graphic controller with an on-chip VRAM and provides high-resolution animated GUIs on WVGA display panels. The YGV631-BZ is capable of handling video signals from various sources such as DVD players, car navigation systems, and rear view cameras. It also supports superimposing characters, lines, and graphic icons or menu screens (sprites) onto these videos. With YGV631-BZ, display systems for in-vehicle AV equipment and audio equipment with a display can be built with low-cost components. It simplifies program development with its sprite controls in a 12-byte attribute, including position, scaling factor, transparency, color gradation, and more. It also integrates an image decompression engine, which dynamically decompresses sprite data stored in external memory, achieving significant memory capacity savings.

Specifications and features

The YGV631-BZ offers the following specifications and features:

• Display Function:
  • Video Output: Supports various monitors and display equipment including TFT liquid crystal displays (digital RGB connection) with options for Digital RGB666, Digital RGB666+FRC, and Digital RGB888. Supports multiple resolutions such as NTSC, PAL, QVGA, WQVGA, VGA, WVGA, and SVGA. Provides support for interlace and progressive scans, display timings in 1 dot and 1-line resolution, equalizing pulse insertion for composite sync signals, dot clock polarity selection, sync signal polarity selection, gamma correction function, and on-chip LCD timing controller.
• Layer Function:
  • Sprite: Displays up to 341 sprites per screen and up to 128 sprites per scan line. Allows specified horizontal and vertical coordinates and supports various sizes from 8 dot × 8 dot to 1024 dot × 1024 dot. Offers horizontal and vertical scaling options, supports palette colors from 2, 16, 64, or 256 from a range of 16M colors, and provides scaling function and anti-aliasing of the outline profile. Comes with on-chip palettes with 1024 colors for enhanced picture attribute controls.
  • Text: Displays up to 1948 characters per screen and up to 128 characters per scan line. Supports independent font selections for each character string, proportional and half-width fonts, scaling function, and anti-aliasing font. Allows font size customization ranging from 1 dot × 1 dot to 64 dot × 64 dot.
  • Line: Draws lines directly from specified start/end point coordinates. Supports up to 510 lines per screen, 32768-color (RGB555) specification or palette index (10 bits) specification. Offers line width options from 1 dot to 16 dots and anti-aliasing drawing function.
• Video Signal Inputs:
  • Analog Video Input: Compatible with composite video, S video, component video, and RGB signal inputs. Equipped with three 10-bit ADCs, supports NTSC and PAL signal formats, and on-chip video decoder. Supports interlace and progressive scans (RGB) and compatible with composite sync signal inputs (RGB).
  • Digital Video Input: Compatible with RGB666, 16-bit YCrCb, and 8-bit YCrCb (ITU-R BT.656). Supports interlace and progressive scans and composite sync signal inputs. Provides video image processing features including scaling, mirror flipping (through vertical axis), and external sync mode or free-running mode.
• Video Decoder:
  • On-chip High-quality Y/C Separation Circuit (2D adaptive comb filter)
  • Digital AGC Circuit
  • Image Color Controls: Contrast, Brightness, Color hue, and Chroma saturation
  • Color Killer Function
• Other Features:
  • CPU Interface: Supports serial or 8-bit parallel connection. Allows indirect accesses to internal registers and tables through a single access port. Provides a flexible asynchronous bus interface, and macro command function.
  • Pattern Memory Interface: Supports bus width of 32 bits or 16 bits. Offers memory capacity of up to 512 Mbits (64 MB) and compatibility with various memory types such as Mask-ROM, NOR-type flash-memory, SRAM, or compatible timing memories. Supports Page Mode accesses and access timings in multiples of the system clock cycle.
  • Device Specifications: Comes in a lead-free 208-pin LQFP package (YGV638-VZ). Supports supply voltages of 3.3V and 1.8V. CPU interface power supply of 3.3V. Operating temperature range from -40℃ to +85℃.

Application Scenarios

The YGV631-BZ electronic component model can be widely used in applications such as in-vehicle AV equipment, audio equipment with a display, and other display systems that require high-resolution animated GUIs. It is suitable for use in car navigation systems, DVD players, rear view cameras, and more. With its low-cost components and simplified program controls, it offers convenience and efficiency in building display systems for various scenarios.

Comparison

• High-resolution animated GUIs
• Supports various video sources
• Ability to superimpose characters, lines, and graphic icons or menu screens
• Sprite controls simplify program development
• Integrated image decompression engine for memory capacity savings
• Supports multiple display resolutions and timings
• Enhanced picture attribute controls
• Wide range of video signal inputs

No specific disadvantages have been identified for the YGV631-BZ electronic component model.