ATmega16 datasheet(44/357 Pages) ATMEL

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ATmega16 데이터시트(PDF) 44 Page - ATMEL Corporation

부품명	ATmega16

상세설명	8-bit Microcontroller with 16K Bytes In-Syustem Programmable Flash

PDF	357 Pages

Scroll/Zoom	100%

제조업체	ATMEL [ATMEL Corporation]

홈페이지	http://www.atmel.com

Logo

44 / 357 page

2466S–AVR–05/09

ATmega16(L)

The following code example shows one assembly and one C function for turning off the WDT.

The example assumes that interrupts are controlled (for example by disabling interrupts globally)

so that no interrupts will occur during execution of these functions.

Assembly Code Example

WDT_off:

; Reset WDT

WDR

; Write logical one to WDTOE and WDE

r16, WDTCR

ori

r16, (1<<WDTOE)|(1<<WDE)

out

WDTCR, r16

; Turn off WDT

ldi

r16, (0<<WDE)

out

WDTCR, r16

ret

C Code Example

void

WDT_off(void)

{

/* Reset WDT*/

_WDR();

/* Write logical one to WDTOE and WDE */

WDTCR |= (1<<WDTOE) | (1<<WDE);

/* Turn off WDT */

WDTCR = 0x00;

}

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