ATMEGA323L-4AI Atmel, ATMEGA323L-4AI Datasheet - Page 26

• Manufacturer Part Number: ATMEGA323L-4AI
• Description: IC AVR MCU 32K LV 4MZ IND 44TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

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

26
ATmega323(L)
Figure 24. Reset Logic
Table 5. Reset Characteristics
Notes:
BODLEVEL
Symbol
V
V
V
POT
RST
BOT
BODEN
RESET
V
CC
1. Values are guidelines only. Actual values are TBD.
2. The Power-on Reset will not work unless the supply voltage has been below V
(falling)
Parameter
Power-on Reset
Threshold Voltage (rising)
Power-on Reset
Threshold Voltage
(falling)
RESET Pin Threshold
Voltage
Brown-out Reset
Threshold Voltage
100-500k
JTAG Reset
Register
FILTER
SPIKE
(2)
CKSEL[3:0]
Reset Circuit
Reset Circuit
Reset Circuit
(1)
On-chip RC
Brown-out
Power-on
Generator
Watchdog
Oscillator
Timer
Clock
(BODLEVEL = 1)
(BODLEVEL = 0)
Condition
CK
MCU Control and Status
Register (MCUCSR)
DATA BUS
Delay Counters
0.1V
Min
1.0
0.4
2.4
3.5
CC
Typ
1.4
0.6
2.7
4.0
–
TIMEOUT
0.9V
1457G–AVR–09/03
Max
1.8
0.8
3.2
4.5
CC
Units
POT
V
V
V
V