N32905R2DN datasheet(7/47 Pages) NUVOTON

7 / 47 page

N3290X DATASHEET

Nuvoton Technology Corp.

Release Date: May. 2013

http://www.nuvoton.com/

Rev. A5.1

international JPEG standard supported.



Planar Format



Support to encode interleaved YCbCr 4:2:2/4:2:0 and gray-level (Y only) format

image



Support to decode interleaved YCbCr 4:4:4/4:2:2/4:2:0/4:1:1 and gray-level (Y only)

format image



Support to decode YCbCr 4:2:2 transpose format



Support arbitrary width and height image encode and decode



Support three programmable quantization-tables



Support standard default Huffman-table and programmable Huffman-table for decode



Support arbitrarily 1X~8X image up-scaling function for encode mode



Support down-scaling function for encode and decode modes



Support specified window decode mode



Support quantization-table adjustment for bit-rate and quality control in encode

mode



Support rotate function in encode mode



Packet Format



Support to encode interleaved YUYV format input image, output bitstream 4:2:2 and

4:2:0 format



Support to decode interleaved YCbCr 4:4:4/4:2:2/4:2:0 format image



Support decoded output image RGB555, RGB565 and RGB888 formats.



The encoded JPEG bit-stream format is fully compatible with JFIF and EXIF standards



Support arbitrary width and height image encode and decode



Support three programmable quantization-tables



Support standard default Huffman-table and programmable Huffman-table for decode



Support arbitrarily 1X~8X image up-scaling function for encode mode



Support down-scaling function 1X~ 16X for Y422 and Y420, 1X~ 8X for Y444 for

decode mode



Support specified window decode mode



Support quantization-table adjustment for bit-rate and quality control in encode

mode



2D Accelerator



BitBLT operation



2x2 transform matrix with effects:



Scale



Translate



Rotate



Shear



Alpha blending and color transformation supported



Source format for operations: supported color format of source bitmap



Fill



Rectangle Fill with single color – ARGB8888



Fill with blending effect supported



Supported color formats



Source



16 bits/pixel – RGB565



32 bits/pixel – ARGB8888



1 bit/pixel, 2 bits/pixel, 4 bits/pixel, 8 bits/pixel with RGB color palette



Destination



16 bits/pixel – RGB565



32 bits/pixel – ARGB8888

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