IPhone code trail points to MBX graphics core
July 06, 2007 //
Evidence is building that the PowerVR MBX core from Imagination Technologies Group plc (Kings Langley, England) is providing the graphics processing in the Apple iphone. That would make for about five or six processor cores inside the iPhone all designed by U.K. companies but manufactured by others.
LONDON Evidence had been building in recent days that the PowerVR MBX core from Imagination Technologies (Kings Langley, England) is providing the graphics processing in the Apple iphone. That would make for about five or six processor cores inside the iPhone all designed by U.K. companies but manufactured by others.
Imagination has declined to confirm the design win although detective work by members of the Beyond 3D Forum has revealed references to MBX in Apple iPhone firmware.
The originator of the "PowerVR MBX in iPhone" discussion thread at the forum referred readers to a flash memory firmware dump on an iPhone developers' Wiki site called iPhone Dev Wiki.
The original evidence was some references to a device type identified as 0x78626D. 0x78626D happens to be xbm, which is mbx backwards, the writer asserted. However another contributor to the forum pointed out that the MBX libraries are referred to in crash logs also listed at the same iPhone site.
Soon other forum members were finding references to graphics-related MBX device strings in cache dumps from the iPhone, including text strings such as "AppleMBXDevice(%p): Graphics hang with pending 2D blit." Some members of the forum appeared unfamiliar with Imagination or the PowerVR MBX core, wondering whether it was a stand-alone chip or included in the system chip.
An elephantine memory or a diligent search of the EE Times archives would have reminded forum members that Samsung licensed the PowerVR MBX 3D graphics processor developed by Imagination Technologies Group plc, from ARM Holdings plc (Cambridge, England) back in January 2004. At that time ARM was licensing out Imagination's cores as well as its own, although the two companies subsequently parted ways.
Of course Imagination has likely worked with Samsung to provide a later version of PowerVR MBX, and certainly one tuned for a more recent manufacturing process technology.
And so the evidence starts to become compelling, but what does Imagination say? A spokesman for Imagination said: "We can't say whether we are designed into the Apple iPhone." The spokesman added: "Samsung is an MBX licensee. They are active. They are a current licensee."
CoolCube circuit stacking moves to FinFET process
August 03, 2015
The CEA-Leti research laboratory at Grenoble France, has reported that its CoolCube 3D interconnect technology is suitable ...
Is NextInput next winner in Apple products?
Fraunhofer rolls security platform for cars
The Filter Wizard: When off the shelf won't do, Part 1
Butterflies help boost solar panel power by 50 per cent
Facebook unveils solar-powered Internet-beaming drone
August 03, 2015
Social networking giant Facebook (Cambridge, MA) has unveiled a full-scale version of its solar-powered drone designed to ...
Indian fab project hires former GloFo exec
OmniVision shareholders approve Seagull takeover
Ancient RF teardown: crude but effective
- Dual Phase Buck Controller Drives High Density 1.2V/60A Supply with Submilliohm DCR Sensing
- Test environment for the positioning elements of wearable devices
- Automotive Circuit Protection using Littelfuse Automotive TVS Diodes
- Top 5 Challenges for testing Today's Consumer Electronics
InterviewGlobalfoundries' CEO on why FD-SOI and why now
With its latest news Globalfoundries Inc. has not only confirmed itself as a supporter of the fully-depleted silicon-on-insulator (FD-SOI) approach to IC manufacturing but that it also thinks sufficiently ...
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Novelda is giving away two full XeThru Inspiration kits worth 1499 US Dollars each, for EETimes Europe's readers to experiment first hand with its XeThru technology.Based on the use of radio waves, rather than infrared, ultrasound or light, the company's X2M1000 Inspiration modules can detect presence just from the chest movement while breathing, and measure both the rate and... MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.