atmega323l ATMEL Corporation, atmega323l Datasheet - Page 45

• Manufacturer Part Number: atmega323l
• Description: Atmega323 8-bit Avr Microcontroller With 32k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

8-bit Timers/Counters
Timer/Counter0 and
Timer/Counter2
1457G–AVR–09/03
Figure 32 shows the block diagram for Timer/Counter0. Figure 33 shows the block dia-
gram for Timer/Counter2.
Figure 32. Timer/Counter0 Block Diagram
7
7
7
TIMER/COUNTER0
8-BIT COMPARATOR
OUTPUT COMPARE
REGISTER0 (OCR0)
REGISTER (TIMSK)
TIMER INT. MASK
(TCNT0)
T/C0 COMPARE
0
0
0
MATCH IRQ
T/C CLEAR
T/C CLK SOURCE
UP/DOWN
REGISTER (TIFR)
TIMER INT. FLAG
T/C0 OVER-
FLOW IRQ
REGISTER (TCCR0)
T/C0 CONTROL
CONTROL
LOGIC
ATmega323(L)
SPECIAL FUNCTIONS
IO REGISTER (SFIOR)
CK
T0
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