YGV638 Datasheet, PDF (4/26 Pages) YAMAHA CORPORATION – a pattern graphic controller with an on-chip VRAM and the ample drawing performance enables high-resolution animated GUIs on WVGA display panels.

■ Features
YGV638
■ Video Decoder
● On-chip High-quality Y/C Separation Circuit (2D adaptive comb filter)
● Digital AGC Circuit
● Image Color Controls
· Contrast
· Brightness
· Color hue
· Chroma saturation
● Color Killer Function
■ Other Features
● CPU Interface
· Serial or 8-bit parallel connection
· Indirect accesses to internal registers and tables through single access port
· Flexible asynchronous bus interface
· Macro command function
● Pattern Memory Interface
· Bus width of 32 bits, or 16 bits
· Up to 512 Mbits (64 MB) memory
· Supports Mask-ROM, NOR-type flash-memory, SRAM, or compatible timing memories
· Supports Page Mode accesses
· Access timings in multiples of the system clock cycle
● Device Specifications
· Lead-free 208-pin LQFP package (YGV638-VZ)
· Supply voltages: 3.3V and 1.8V
· CPU interface power supply 3.3V
· Operating temperature range from -40℃ to +85℃
4GV638A21
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