ATMEGA323L-4AI Atmel, ATMEGA323L-4AI Datasheet - Page 45
ATMEGA323L-4AI
Manufacturer Part Number
ATMEGA323L-4AI
Description
IC AVR MCU 32K LV 4MZ IND 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323L-4AI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
ATMEGA323L4AI
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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
45
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