ATMEGA64-16AI datasheet(59/393 Pages) ATMEL

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ATMEGA64-16AI Datasheet(PDF) 59 Page - ATMEL Corporation

No. de pieza	ATMEGA64-16AI

Descripción Electrónicos	8-bit Microcontroller with 64K Bytes In-System Programmable Flash

PDF	393 Pages

Scroll/Zoom	100%

Fabricante Electrónico	ATMEL [ATMEL Corporation]

Página de inicio	http://www.atmel.com

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59 / 393 page

ATmega64(L)

2490L–AVR–10/06

The following code examples show one assembly and one C function for turning off the

WDT. The examples assume that interrupts are controlled (e.g., by disabling interrupts

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

Assembly Code Example

WDT_off:

; reset WDT

wdr

r16, WDTCR

ldi

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

; Write logical one to WDCE and WDE

ori

r16, (1<<WDCE)|(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*/

_WDRC();

/* Write logical one to WDCE and WDE */

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

/* Turn off WDT */

WDTCR = 0x00;

}

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