주요 콘텐츠로 건너뛰기

#13단계의 변경 사항

Andrew Optimus Goldheart- 에 의해 수정

편집 승인됨 완료자 Andrew Optimus Goldheart

이전
이후
변경 사항이 없습니다

단계 라인

-[* black] We've made our way to the brains of the Apple Watch—the Apple S1 microcomputer, consisting of:
+[* black] We've made our way to the brains of the Apple Watch—the Apple S1 microcomputer, including:
[* red] Ultra low-power microcontroller
[* orange] [http://en.wikipedia.org/wiki/Quartz_clock#Mechanism|Quartz crystal|new_window=true], operating at 32,768 Hz
[* black] When power is applied to the crystal, it oscillates 32,768 times a second, filling a counter register in the processor. When the register fills, it overflows back to 0, triggering a pulse of the motor—and one second on the second hand.
[* black] This incredible processing power is capable of maintaining time accurate to [http://tf.nist.gov/general/pdf/2276.pdf|within 1 second per day|new_window=true]!