ATMEGA323-8AC Atmel, ATMEGA323-8AC Datasheet - Page 145

• Manufacturer Part Number: ATMEGA323-8AC
• Description: IC AVR MCU 32K 8MHZ COM 44TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA323-8AC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA3238AC

1457G–AVR–09/03
Figure 73. Port B Schematic Diagram (Pin PB6)
Figure 74. Port B Schematic Diagram (Pin PB7)
PB6
PB7
WP:
WD:
RL:
RP:
RD:
SPE:
MSTR
PUD:
WP:
WD:
RL:
RP:
RD:
SPE:
MSTR
PUD:
MOS
PULL-
UP
PULL-UP DISABLE
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI ENABLE
MASTER SELECT
MOS
PULL-
UP
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI ENABLE
MASTER SELECT
PULL-UP DISABLE
PUD
PUD
RL
RP
RL
RP
ATmega323(L)
Q
Q
Q
PORTB6
Q
RESET
RESET
PORTB7
DDB6
RESET
RESET
DDB7
WD
WP
RD
RD
WD
WP
R
C
R
C
R
C
R
C
D
D
D
D
MSTR
SPE
SPI SLAVE
OUT
SPI MASTER
IN
MSTR
SPE
SPI ClLOCK
OUT
SPI CLOCK
IN
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