SAM4S2A Time
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ASF Wizard- Delay routines (service): Loop based delay routines. Provides microseconds, milliseconds and second delays. Common API for SAM, UC3 and XMEGA.
- WDT - Watchdog Timer (driver): The Watchdog Timer can be used to prevent system lock-up if the software becomes trapped in a deadlock. It features a 12-bit down counter that allows a watchdog period of up to 16 seconds (slow clock at 32.768 kHz).
warning
SysTick์ ์ํ ์ธํฐ๋ฝํธ๊ฐ ๋๋ฌด ๋ง์ด ๋ฐ์ํ๋ฉด Delay routines์ ํจ์๊ฐ ์ํฅ์ ๋ฐ์ ์๋ํ ๊ฒ๋ณด๋ค ๊ธธ๊ฒ ๋๋ ์ด ๋ฉ๋๋ค. SAM4S2A 120MHz์์ us๋ฅผ ๋ง๋ค๊ธฐ ์ํ ์ค์ ์ ํ๋ฉด ๋๋ ์ด๋ ์ค์ ๊ฐ๋ณด๋ค ์ฝ 1.5 ~ 1.6๋ฐฐ ๊ธธ์ด์ง๋๋ค.