ATMEGA323L-4AI Atmel, ATMEGA323L-4AI Datasheet - Page 143
![IC AVR MCU 32K LV 4MZ IND 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
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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1457G–AVR–09/03
Figure 69. Port B Schematic Diagram (Pin PB2)
Figure 70. Port B Schematic Diagram (Pin PB3)
WP:
WD:
RL:
RP:
RD:
PUD: PULL-UP DISABLE
WP:
WD:
RL:
RP:
RD:
PUD: PULL-UP DISABLE
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
PB2
PB3
MOS
PULL-
UP
INT2 ENABLE
PWRDN
PWRDN
ISC2
PUD
'1'
PUD
D
C
R
RL
RP
Q
TO COMPARATOR
ATmega323(L)
TO COMPARATOR
Q
Q
PORTB2
RESET
RESET
DDB2
WD
WP
RD
R
C
R
C
PORTB3
DDB3
COM00
COM01
D
D
COMP. MATCH 0
HW CLEAR
INT2
SW CLEAR
AIN0
PWM0
FOC0
AIN1
143
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