ATMEGA323L-4AI Atmel, ATMEGA323L-4AI Datasheet - Page 201

• 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

Serial Programming
Characteristics
1457G–AVR–09/03
Figure 100. Serial Programming Timing
Table 70. Serial Programming Characteristics
T
A
Symbol
1/t
1/t
t
t
= -40 C to 85 C, V
t
t
t
t
OVSH
SHOX
t
CLCL
CLCL
SHSL
SLSH
SLIV
CLCL
CLCL
Parameter
Oscillator Frequency (V
Oscillator Period (V
Oscillator Frequency (V
Oscillator Period (V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
MOSI
MISO
SCK
CC
t
OVSH
= 2.7V - 5.5V (Unless otherwise noted)
CC
CC
= 2.7 - 5.5 V)
= 4.0 - 5.5 V)
CC
CC
= 2.7 - 5.5 V)
= 4.0 - 5.5 V)
t
SHSL
t
SHOX
2 t
2 t
2 t
t
Min
250
125
CLCL
10
CLCL
CLCL
0
0
CLCL
ATmega323(L)
Typ
16
t
SLSH
t
SLIV
Max
32
4
8
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
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