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Apple S1

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Apple S1
The S1 integrated computer, 2.5 cm wide[1]
General information
Launched13 November 2014
Discontinued7 September 2016
Designed byApple Inc.
Common manufacturer
Product codeAPL0778[3]
Performance
Max.CPUclock rate520 MHz[4]
Cache
L1cache32 KB data[4]
L2 cache256 KB[4]
Architecture and classification
ApplicationApple Watch
Technology node28 nm[4][2]
Instruction setARMv7-A[4]
Physical specifications
Cores
GPUPowerVR SGX543[5]
Products, models, variants
Variant
History
SuccessorApple S2
Apple S1P
General information
LaunchedSeptember, 2016
DiscontinuedSeptember, 2018
Designed byApple Inc.
Performance
Max.CPUclock rate520 MHz[6]
Architecture and classification
ApplicationApple Watch Series 1
MicroarchitectureARMv7-Acompatible[6]
Instruction setARM[6]
Physical specifications
Cores
GPUPowerVR Series 6 'Rogue'[6]
History
PredecessorApple S1

TheApple S1is the integrated computer in theApple Watch,and it is described as a "System in Package"(SiP) byApple Inc.[7]

Samsungis said to be the main supplier of key components, such as theRAMandNAND flashstorage, and the assembly itself,[8]but early teardowns reveal RAM and flash memory fromToshibaandMicron Technology.[3]

System-in-Package design[edit]

It uses a customizedapplication processorthat together withmemory,storageand support processors for wireless connectivity, sensors andI/Oconstitute a complete computer in a single package. This package is filled withresinfor durability.[9]

Components[edit]

From reverse engineering, the processor handling theWi-FiandBluetoothis aBroadcomBCM43342[10]and the six-axisgyroscopeis fromSTMicroelectronics.[2]

S1P[edit]

The SiP inApple Watch Series 1is calledS1Pand looks superficially identical to the S1, but in reality is anS2minus the on-chipGPSfunctionality. It contains the same dual-core CPU with the same newGPUcapabilities as the S2 making it about 50% faster than the S1.[12][13]

Announcement[edit]

The S1 was announced on 9 September 2014 as part of the "Wish we could say more" event.

The S1P was announced on 7 September 2016 as part of the "See you on the 7th" event.

Launch date[edit]

The S1 made its first appearance within the Apple Watch, which arrived in April 2015.[7][14]The S1 was discontinued with the launch ofApple Watch Series 1,containing the S1P.

The S1P was released with the Apple Watch Series 1 on 16 September 2016.[13]

Images[edit]

  • An illustration of the encapsulated S1 package.[9][15]
    An illustration of the encapsulated S1 package.[9][15]
  • The S1P package shows little of the differences that's encapsulated inside.
    The S1P package shows little of the differences that's encapsulated inside.
  • This illustration shows the positions of the chips and other components inside the S1 package.[15]
    This illustration shows the positions of the chips and other components inside the S1 package.[15]
  • This is how large the S1 is compared to the Apple Watch case.[15]
    This is how large the S1 is compared to the Apple Watch case.[15]
  • A size comparison of the S1 to the Apple A6 in the iPhone 5.[15]
    A size comparison of the S1 to theApple A6in theiPhone 5.[15]

See also[edit]

References[edit]

  1. ^"s1_decapped_abi.jpg".30 April 2015.Archivedfrom the original on 5 May 2016.Retrieved1 May2016.
  2. ^abc"Inside the Apple Watch: Technical Teardown".Archived fromthe originalon 18 May 2015.Retrieved30 April2015.
  3. ^ab"Apple Watch Insides / PCB Details Revealed for the First Time".ABI Research.Archivedfrom the original on 6 June 2017.Retrieved30 April2015.
  4. ^abcdefHo, Joshua; Chester, Brandon (20 July 2015)."The Apple Watch Review: Apple S1 Analysis".AnandTech.Archivedfrom the original on 22 July 2015.Retrieved27 July2015.
  5. ^ab"Apple Watch runs 'most' of iOS 8.2, may use A5-equivalent processor".AppleInsider.Archivedfrom the original on 26 April 2015.Retrieved25 April2015.
  6. ^abcde"The Apple Watch Series 2 Review: Building Towards Maturity".Archivedfrom the original on 22 October 2017.Retrieved11 February2018.
  7. ^ab"Apple Unveils Apple Watch".Apple Inc.Archivedfrom the original on 19 April 2017.Retrieved8 October2014.
  8. ^"Samsung Supposedly Wins Orders to Produce Apple Watch Components".Archivedfrom the original on 30 April 2015.Retrieved9 January2015.
  9. ^ab"Apple - Apple Watch - Technology".Apple.Archivedfrom the original on 9 September 2014.Retrieved8 October2014.
  10. ^"Broadcom Wins WiFi in Apple Watch?".Chipworks. Archived fromthe originalon 6 October 2014.Retrieved8 October2014.
  11. ^"Hopper happily opens Apple Watch binaries ('armv7k') to disassemble, says they're 'armv7m'. -- Steve Troughton-Smith".Archivedfrom the original on 3 March 2016.Retrieved25 June2015.
  12. ^"We Just Took Apart the Apple Watch Series 1—Here's What We Found Out".Archivedfrom the original on 24 January 2018.Retrieved13 October2016.
  13. ^ab"Apple Introduces Apple Watch Series 2, The Ultimate Device For A Healthy Life".Archivedfrom the original on 14 April 2017.Retrieved8 September2017.
  14. ^"Tim Cook: Apple Watch on Schedule to Ship in April".Archivedfrom the original on 4 April 2015.Retrieved30 January2015.
  15. ^abcd"Introducing the Apple Watch - Movie".Apple.Archivedfrom the original on 7 October 2014.Retrieved8 October2014.
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