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eewiz
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re: Apple processors: Designed differently but here to stay
eewiz   2/20/2013 1:28:45 PM
NO RATINGS
Most new designs will have LTE modem integrated to an app processor. NVidia/Qcom/Marvel/STE/Renesas already have this. Intel/Mediatek/Samsung/BCOM will have in future. I am wondering what Apple will do since they dont have any LTE ip. Either they have to license from Qcomm/Intel and fab together with Ax CPU or buy any remaining 4G chip vendor(sequans?) and integrate with Ax chip, which I guess may not be easy. "Second, it will be interesting to see how the block count evolves going forward, with IP of the anobit or authentec acquisitions possibly showing up in future designs. " This is a real possibility. Guess they might be already on this one. "Finally, the big one: Will there be an Apple designed GPU? " Very unlikely "In fact, with the exception of Intel CPUs, it's one of the first custom laid out digital cores we’ve seen in years!" IINW QCom CPUs are partially custom designed too

eewiz
User Rank
Author
re: Apple processors: Designed differently but here to stay
eewiz   2/20/2013 1:28:45 PM
NO RATINGS
Most new designs will have LTE modem integrated to an app processor. NVidia/Qcom/Marvel/STE/Renesas already have this. Intel/Mediatek/Samsung/BCOM will have in future. I am wondering what Apple will do since they dont have any LTE ip. Either they have to license from Qcomm/Intel and fab together with Ax CPU or buy any remaining 4G chip vendor(sequans?) and integrate with Ax chip, which I guess may not be easy. "Second, it will be interesting to see how the block count evolves going forward, with IP of the anobit or authentec acquisitions possibly showing up in future designs. " This is a real possibility. Guess they might be already on this one. "Finally, the big one: Will there be an Apple designed GPU? " Very unlikely "In fact, with the exception of Intel CPUs, it's one of the first custom laid out digital cores we’ve seen in years!" IINW QCom CPUs are partially custom designed too

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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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