ATMEGA324P-20AU Atmel, ATMEGA324P-20AU Datasheet - Page 81

• Manufacturer Part Number: ATMEGA324P-20AU
• Description: IC MCU AVR 32K FLASH 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA324P-20AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• 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
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: 2-Wire/JTAG/SPI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• A/d Inputs: 8-Channel, 10-Bit
• Cpu Speed: 20 MIPS
• Eeprom Memory: 1K Bytes
• Input Output: 32
• Interface: 2-Wire/JTAG/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TQFP
• Programmable Memory: 32K Bytes
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2.7-5.5 V
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Total Internal Ram Size: 2KB
• # I/os (max): 32
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package: 44TQFP
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8011O–AVR–07/10
Table 11-4 on page 81
overriding signals shown in
Table 11-4.
Table 11-5.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PA7/ADC7/
PCINT7
0
0
0
0
0
0
PCINT7 • PCIE0 +
ADC7D
PCINT7 • PCIE0
PCINT7 INPUT
ADC7 INPUT
PA3/ADC3/
PCINT3
0
0
0
0
0
0
PCINT3 • PCIE0 +
ADC3D
PCINT3 • PCIE0
PCINT3 INPUT
ADC3 INPUT
Overriding Signals for Alternate Functions in PA7:PA4
Overriding Signals for Alternate Functions in PA3:PA0
and
Table 11-5 on page 81
Figure 11-5 on page
PCINT6 • PCIE0
ADC6 INPUT
PA6/ADC6/
PCINT6
0
0
0
0
0
0
PCINT6 • PCIE0 +
ADC6D
PCINT6 INPUT
PA2/ADC2/
PCINT2
0
0
0
0
0
0
PCINT2 • PCIE0 +
ADC2D
PCINT2 • PCIE0
PCINT2 INPUT
ADC2 INPUT
78.
ATmega164P/324P/644P
relates the alternate functions of Port A to the
PA5/ADC5/
PCINT5
0
0
0
0
0
0
PCINT5 • PCIE0 +
ADC5D
PCINT5 • PCIE0
PCINT5 INPUT
ADC5 INPUT
PA1/ADC1/
PCINT1
0
0
0
0
0
0
PCINT1 • PCIE0 +
ADC1D
PCINT1 • PCIE0
PCINT1 INPUT
ADC1 INPUT
PCINT4 • PCIE0
PCINT4 INPUT
PA4/ADC4/
PCINT4
0
0
0
0
0
0
PCINT4 • PCIE0 +
ADC4D
ADC4 INPUT
PA0/ADC0/
PCINT0
0
0
0
0
0
0
PCINT0 • PCIE0 +
ADC0D
PCINT0 • PCIE0
PCINT0 INPUT
ADC0 INPUT
81