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roncruiser
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re: Inside the iPad2 and the Apple A5
roncruiser   3/12/2011 9:06:29 PM
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Good information.

goafrit
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re: Inside the iPad2 and the Apple A5
goafrit   3/13/2011 2:57:49 PM
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Nice reporting and excellent job. Apple is riding a great wave.

GREATTerry
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re: Inside the iPad2 and the Apple A5
GREATTerry   3/13/2011 3:34:01 PM
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Good report. I hope to see if there is any hint on what kind of processor the A5 is actually is. Will it be the similar ARM processor?

rick merritt
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re: Inside the iPad2 and the Apple A5
rick merritt   3/13/2011 3:44:04 PM
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Yes, I too am interested to know what ARM and graphics cores it uses and any other new blocks in the A5. Hopefully the analysts will kinow in a few days

notnotme
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re: Inside the iPad2 and the Apple A5
notnotme   3/14/2011 10:42:49 AM
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it is not ARM. Its PA Semi PowerPC which Apple acquired for $250 odd million.

rick merritt
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re: Inside the iPad2 and the Apple A5
rick merritt   3/14/2011 3:25:49 PM
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@notnotme: Apple did buy PA Semi apparently to gain microprocessor design expertise, but analysts have concluded Apple did NOT use its PowerPC based design. Instead they concluded Apple used a a Samsung Hummingbird core based on an ARM Cortex A8 core. See http://www.eetimes.com/electronics-news/4200451/Apple-s-A4-dissected-discussed--and-tantalizing

Don Scansen
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re: Inside the iPad2 and the Apple A5
Don Scansen   3/14/2011 6:54:22 PM
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Rick, Chipworks has posted a floorplan of the A5 showing the main IP blocks. http://www.chipworks.com/en/technical-competitive-analysis/resources/technology-blog/2011/03/apple-a5-vs-a4-floorplan-comparison/

elctrnx_lyf
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re: Inside the iPad2 and the Apple A5
elctrnx_lyf   3/14/2011 7:03:05 PM
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Infineon not in the ipad is really a bad news for intel considering the huge volumes of the apple products. quallcom is doing great by taking center stage in latest iphone and ipad2.

old account Frank Eory
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re: Inside the iPad2 and the Apple A5
old account Frank Eory   3/14/2011 7:48:07 PM
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Thanks for posting this link. If I'm not mistaken, the upgrade from one Cortex A8 to two A9 cores was pretty much expected, as was the Imagination Technologies GPU. As the chipworks blog writer said, "quite a lot of horsepower!"

tech13
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re: Inside the iPad2 and the Apple A5
tech13   3/14/2011 8:04:20 PM
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Skyworks has many nice wins...

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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