science

Xilleon

Xilleon is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Xilleon rather than just read about it. In short: Xilleon is a brand for a family of SoCs combining a low-power CPU with ASICs for accelerated video decompression and further functions for major worldwide broadcast networks (including PAL, NTSC, SECAM and ATSC) targeting digital television (i.e. products like set-top boxes, Integrated digital television, digital television adapters, smart TVs, etc.). Technical features Most Xilleon-branded SoCs have a 300 MHz MIPS…

Key takeaways

Xilleon belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Xilleon to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Xilleon from memory before moving on to harder problems.

Reference excerpt

Xilleon is a brand for a family of SoCs combining a low-power CPU with ASICs for accelerated video decompression and further functions for major worldwide broadcast networks (including PAL, NTSC, SECAM and ATSC) targeting digital television (i.e. products like set-top boxes, Integrated digital television, digital television adapters, smart TVs, etc.).

Technical features

Most Xilleon-branded SoCs have a

300 MHz MIPS 4Kc (MMU, no FPU) ASIC simultaneously decompressing two standard-definition television and two high-definition television MPEG-2-compressed streams two display controller 2D and 3D graphics engine conditional access transport demultiplexers 32/64 bit DDR/SDR interface PCI, USB, IR, I2C, I2S, Flash and PATA interfaces It was revealed that the next generation of AVIVO, named as Unified Video Decoder (UVD) was based on Xilleon video processor to provide hardware decoding of H.264, and VC-1 video codec standards. Both AMD TrueAudio and AMD's Unified Video Decoder (UVD) are based on the Cadence Tensilica Xtensa processor, which was originally licensed by ATI Technologies Inc. in 2004.

List of Xilleon-branded SoCs

History Owner's of the brand Xilleon were ATI Technologies, later Advanced Micro Devices, now Broadcom. While AMD announced the completion of acquisition of ATI Technologies on the third quarter of 2006, the Xilleon products would be sold under the AMD brand as AMD Xilleon. On August 25, 2008, the Xilleon line was sold to the semiconductor company Broadcom. A new line of Xilleon video processors for flat panel LCD TVs, named as Xilleon panel processors with four models 410, 411, 420 and 421, were announced on CES 2008. Supporting 1080p video resolution and featuring Technology advanced motion estimation, motion compensation and frame rate conversion technology based on enhanced phase-plane correlation technology, which converts 24 or 60 Hz input video signals to 100 or 120 Hz refresh rates used in most of the LCD TVs by creating additional frames to form a smoother motion. AMD had signed an agreement with DivX, Inc. to allow several of the future Xilleon video processors to implement hardware DivX video decoding with DivX certification in January 2008. However, as a result of company restructuring, AMD has divested the digital TV chipset business starting from the second quarter of 2008.

Illustrations

Xilleon: Xilleon chip internal layout — Xilleon chip internal layout

Worked examples

Example 1 — a first encounter with Xilleon

Start with the simplest possible case. Write down what Xilleon claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Xilleon before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Xilleon ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Xilleon

In research: Xilleon appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Xilleon in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Xilleon is common in secondary-school and first-year university syllabi. It links to neighbouring topics Broadcom, Digital signal processors, MIPS implementations, so understanding it makes those chapters shorter.
In everyday life: Look for Xilleon outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Xilleon” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Xilleon in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Xilleon means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Xilleon out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Xilleon in simple terms?

Why does Xilleon matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Xilleon?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Xilleon.