UHT-JPEG-D
Scalable Ultra-High Throughput 8/10/12-bit JPEG Decoder
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Using multiple internal processing engines, the
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IP Deliverables
Clear text VHDL RTL source for ASIC designs, or pre-synthesized and verified Netlist for FPGA and SoC devices
Release Notes, Design Specification and Integration Manual documents
Bit Accurate Model (BAM) and test vector generation binaries, including sample scripts
Self checking testbench environment, including sample BAM generated test cases
Simulation and sample Synthesis (for ASICs) or Place & Route (for FPGAs) scripts
Notes :
¹ | Please refer to the Specifications tab for limitations that may apply when using a third-party JPEG encoder. |
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Features
High-Performance, Compliant and Standalone Operation
Ultra high throughput in low-end silicon using scalable and transparent parallel processing
ITU T.81 compliance¹
4:4:4, 4:2:2, 4:2:0 and 4:0:0 (grayscale) image or video data decoding
8-, 10- and 12-bit per component sample depth
Single JPEG byte stream input and single - multiple pixels - raster scan interleaved output
Motion JPEG payload decoding
CPU-less, complete and standalone operation
Advanced Implementation
Up to 32 samples per clock cycle decoding
Algorithmic decoding latency of approximately 32 scan lines for 4:2:0 and 16 scan lines for all other sampling formats
Configurable full on-chip or mixed on/off-chip memories implementation
Flexible optional off-chip memory interface
Independent of external memory type
Tolerant to latencies
Allows for shared memory access
Can optionally operate on independent clock domain
Avalon-ST and AXI4-Stream compliant streaming data I/O
Trouble-Free Technology Map and Implementation
Fully portable, self-contained RTL source code
Strictly positive edge triggered design
D-type only Flip-Flops
Safe CDC transfers when using more than one clock domain
No special timing constraints required
No false or multi-cycle paths within the same clock domain
No CDC transfers that need to be constrained
(all CDC paths can be excluded)
Limitations Applying When Using a Third-Party JPEG Encoder¹
Single decoding engine operation may be needed
Single scan interleaved JPEG format only
The image dimensions declared in the SOF marker must be an integer multiple of 8
No DNL marker
Notes :
¹ | Decoding of corrupted bitstreams, with or without restart segments, is not supported. |
Literature
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