ATMEGA323L-4AI Atmel, ATMEGA323L-4AI Datasheet - Page 149

• 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

1457G–AVR–09/03
Figure 76. Port C Schematic Diagram (Pins PC2 - PC5). The JTAG interface on these
pins is not shown in the figure.
Figure 77. Port C Schematic Diagram (Pins PC6)
PCn
WP:
WD:
RL:
RP:
RD:
AS2:
PUD: PULL-UP DISABLE
PC6
WRITE PORTC
WRITE DDRC
READ PORTC LATCH
READ PORTC PIN
READ DDRC
ASYNCH SELECT T/C2
MOS
PULL-
UP
WP:
WD:
RL:
RP:
RD:
PUD: PULL-UP DISABLE
n:
MOS
PULL-
UP
WRITE PORTC
WRITE DDRC
READ PORTC LATCH
READ PORTC PIN
READ DDRC
2..5
0
1
PUD
PUD
RL
RP
RL
RP
ATmega323(L)
Q
Q
PORTCn
RESET
RESET
DDCn
WD
WP
Q
Q
RD
R
C
R
C
PORTC6
RESET
RESET
DDC6
WD
WP
RD
R
C
R
C
D
D
D
D
AS2
T/C2 OSC
AMP INPUT
149