ATMEGA323L-4AI Atmel, ATMEGA323L-4AI Datasheet - Page 103
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
- Current page: 103 of 247
- Download datasheet (4Mb)
1457G–AVR–09/03
Figure 54. Block diagram of the Two-wire Serial Interface
The CPU interfaces with the Two-wire Serial Interface via the following five I/O Regis-
ters: the Two-wire Serial Interface Bit Rate Register (TWBR), the Two-wire Serial
Interface Control Register (TWCR), the Two-wire Serial Interface Status Register
(TWSR), the Two-wire Serial Interface Data Register (TWDR), and the Two-wire Serial
Interface Address Register (TWAR, used in Slave mode).
SDA
SCL
OUTPUT
OUTPUT
INPUT
INPUT
TWAR
ADDRESS REGISTER
TWDR
STATUS DECODER
STATE MACHINE
SERIAL CLOCK
COMPARATOR
ARBITRATION
START/STOP
GENERATOR
DATA SHIFT
AND SYNC
REGISTER
STATUS
AND
AND
TWCR
TWSR
ATmega323(L)
REGISTER
REGISTER
CONTROL
CONTROL
STATUS
TIMING
AND
ACK
103
Related parts for ATMEGA323L-4AI
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
IC AVR MCU 32K 8MHZ COM 44TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 8MHZ IND 44TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 8MHZ COM 40DIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 8MHZ IND 40DIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
Atmega323 8-bit Avr Microcontroller With 32k Bytes Of In-system Programmable Flash
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 16MHZ 5V 44-QFN
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 16MHZ 5V 40DIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 16MHZ 5V 44TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 16MHZ IND 40-DIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
IC AVR MCU 32K 16MHZ IND 44-TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 32KB FLASH 16MHZ 44TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 32KB FLASH 16MHZ 44QFN
Manufacturer:
Atmel
Datasheet: