ATMEGA8515-16AU datasheet(93/254 Pages) ATMEL

Part #	ATMEGA8515-16AU

Description	8-bit AVR Microcontroller with 8K Bytes In-System Programmable Flash

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Manufacturer	ATMEL [ATMEL Corporation]

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ATmega8515(L)

2512G–AVR–03/05

• Bit 1 – TOV0: Timer/Counter0 Overflow Flag

The bit TOV0 is set (one) when an overflow occurs in Timer/Counter0. TOV0 is cleared

by hardware when executing the corresponding interrupt handling vector. Alternatively,

TOV0 is cleared by writing a logic one to the flag. When the SREG I-bit, TOIE0

(Timer/Counter0 Overflow Interrupt Enable), and TOV0 are set (one), the

Timer/Counter0 Overflow interrupt is executed. In phase correct PWM mode, this bit is

set when Timer/Counter0 changes counting direction at $00.

• Bit 0 – OCF0: Output Compare Flag 0

The OCF0 bit is set (one) when a Compare Match occurs between the Timer/Counter0

and the data in OCR0 – Output Compare Register0. OCF0 is cleared by hardware when

executing the corresponding interrupt handling vector. Alternatively, OCF0 is cleared by

writing a logic one to the flag. When the I-bit in SREG, OCIE0 (Timer/Counter0 Com-

pare Match Interrupt Enable), and OCF0 are set (one), the Timer/Counter0 Compare

Match Interrupt is executed.

TOV1

OCF1A

OCF1B

–

ICF1

–TOV0

OCF0

TIFR

Read/Write

R/W

Initial Value

0000

000

0

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