顯示結果從 11 到 20 共計 53 條
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10-05-2013 #11
我想
跟M7沒啥關係啦
M7充其量只是一顆簡單省電的CPU而已
為了待機或背景執行所做的處理器 因為A7太耗電了
Apple才會想這種偏方來省電延長使用時間
不是陀螺儀,指南針,重力感應器...等此篇文章於 10-05-2013 17:09 被 SONIC_CHANG 編輯。
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10-05-2013 #12
不在乎~没什么大问题~当初4的天线有问题我也是买
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10-05-2013 #13
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10-05-2013 #14
我一年開一次的程式
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10-05-2013 #15
M7真的是一顆CPU
http://en.wikipedia.org/wiki/Apple_M7
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10-05-2013 #16
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10-06-2013 #17
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10-06-2013 #18
原本我也想說這有可能是個案
但今天實際試過以後有點小小心碎了...
4的水平儀還比較準QQ
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10-06-2013 #19
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10-06-2013 #20
A7 晶片 64 位元架構 A7 chip with 64-bit architecture
M7 動作感應協同處理器 M7 motion coprocessor
M7晶片位置
http://www.chipworks.com/components/...9/new-mems.jpg
http://www.chipworks.com/components/...board-back.jpg
iOS 7 也將隨著 iPhone 5s 的 A7 處理器具備原生 64-bit 架構;新的 M7 協同處理器也跟著登場
.....專職用來處理行動裝置的動態資訊。持續地偵測來自陀螺儀、加速感應與指南針等感測器所傳來的資訊。....
http://chinese.engadget.com/2013/09/10/ios-7-64-bit/
Apple M7
From Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Apple_M7
The Apple M7 (codename Oscar) is a motion co-processor used by Apple Inc. in iPhone 5s. Its function is to collect sensor data from integrated accelerometers, gyroscopes and compasses and offload the collecting and processing of sensor data from the main central processing unit (CPU). It was introduced in September 2013, and is used in the iPhone 5S.
Chipworks found that the M7 most likely is a NXP LPC1800 based microcontroller called LPC18A1. It uses an ARM Cortex-M3 core with a customised packaging and naming scheme indicating that it is a for Apple customized part.
The Apple M7 co-processor collects, processes and stores sensor data even if the device is asleep, and applications can retrieve data when the device is powered up again. This will reduce power draw of the device and save battery life.[5]
The M7 is accessible to applications through the Core Motion API in iOS 7, so it will, for example, allow fitness apps that track physical activity and access data from the M7 without constantly engaging the main A7 CPU. It will enable applications to be aware of what type of movement the user is experiencing, such as driving, walking, running or sleeping.Another application could be the ability to do indoor tracking and mapping.
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