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Apple Pencil 拆解

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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

来看看都有些什么——一块给蚂蚁用的逻辑板？好像不是，但这仅仅1克的重量绝对是我们见过最小的。经过不懈的努力，我们先来看看到底是什么让这支铅笔变得如此智能的：

意法半导体微电子 STML151UCY6 超低功耗 32位 RISC 基于ARM 的 Cortex-M3 MCU

意法半导体微电子AS5C Y533（同时也在2015年版的Apple TV上发现）

L05286 QS4 VG Z SGP 528

EWX 01129

剑桥硅晶无线电（高通）CSR1012A05 蓝牙 智能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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