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Apple Pencil (1. Generation) Teardown

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Apple Pencil Teardown: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Apple Pencil Teardown: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

  • What is this—a logic board for ants? Not quite, but weighing in at a whopping 1.0 gram it's definitely the smallest we've ever seen. With the hard work out of the way, we pause to see what makes the Pencil so smart:

  • STMicroelectronics STML151UCY6 Ultra-low-power 32-bit RISC ARM-based Cortex-M3 MCU

  • STMicroelectronics STMLS05 5-channel PMOS load switches

  • STMicroelectronics STM32L052T8 32-Bit ARM Cortex-M0+ Microcontroller w/ 64 Kb flash

  • Maxim Integrated MAX11290 24-bit delta-sigma A/D converter (likely)

  • Cambridge Silicon Radio (Qualcomm) CSR1012A05 Bluetooth smart IC

  • Bosch Sensortec BMA282 accelerometer

  • Maxim Integrated MAX44284 high precision current-sense amplifier

Was ist das - ein Logic Board für Ameisen? Nicht ganz, aber mit seinen 1,0 Gramm ist es definitiv das kleinste, das wir je gesehen haben. Nachdem die harte Arbeit getan ist, schauen wir uns an, was diesen Stift so smart macht:

ST Microelectronics STML151UCY6 Ultra-low-power 32-bit RISC ARM Cortex-M3 MCU

ST Microelectronics AS5C Y533 (der auch im 2015 Apple TV verbaut ist)

L05286 QS4 VG Z SGP 528

EWX 01129

Cambridge Silicon Radio (Qualcomm) CSR1012A05 Bluetooth Smart IC

[* black] What is this—a logic board for ants? Not quite, but weighing in at a whopping 1.0 gram it's definitely the smallest we've ever seen. With the hard work out of the way, we pause to see what makes the Pencil so smart:
- [* red] ST Microelectronics [http://www.st.com/web/en/resource/technical/document/datasheet/DM00048356.pdf|STML151UCY6|new_window=true] Ultra-low-power 32-bit RISC ARM-based [http://www.arm.com/products/processors/cortex-m/cortex-m3.php|Cortex-M3|new_window=true] MCU
- [* orange] ST Microelectronics AS5C Y533 (also found in the 2015 Apple TV)
- [* yellow] L05286 QS4 VG Z SGP 528
- [* green] EWX 01129
- [* light_blue] Cambridge Silicon Radio (Qualcomm) [https://www.csrsupport.com/download/47278/CSR1012%20Data%20Sheet%20CS-238833-DS.pdf|CSR1012A05|new_window=true] Bluetooth Smart IC
+ [* red] STMicroelectronics [http://www.st.com/web/en/resource/technical/document/datasheet/DM00048356.pdf|STML151UCY6|new_window=true] Ultra-low-power 32-bit RISC ARM-based [http://www.arm.com/products/processors/cortex-m/cortex-m3.php|Cortex-M3|new_window=true] MCU
+ [* orange] STMicroelectronics [link|https://www.st.com/en/switches-and-multiplexers/stmls05.html|STMLS05] 5-channel PMOS load switches
+ [* yellow] STMicroelectronics [link|https://www.st.com/en/microcontrollers-microprocessors/stm32l052t8.html|STM32L052T8] 32-Bit ARM Cortex-M0+ Microcontroller w/ 64 Kb flash
+ [* green] Maxim Integrated MAX11290 24-bit delta-sigma A/D converter (likely)
+ [* light_blue] Cambridge Silicon Radio (Qualcomm) [https://www.csrsupport.com/download/47278/CSR1012%20Data%20Sheet%20CS-238833-DS.pdf|CSR1012A05|new_window=true] Bluetooth smart IC
+ [* blue] Bosch Sensortec BMA282 accelerometer
+ [* violet] Maxim Integrated [link|https://www.maximintegrated.com/en/products/analog/amplifiers/MAX44284.html|MAX44284] high precision current-sense amplifier

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