ATMEGA324PA-AU Atmel, ATMEGA324PA-AU Datasheet - Page 27

• Manufacturer Part Number: ATMEGA324PA-AU
• Description: MCU AVR 32K FLASH 20MHZ 40-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA324PA-AU

• 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): 1.8 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, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATQT600
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• 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): 2.5/3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 1.8V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: TQFP
• Package: 44TQFP
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11. Datasheet Revision History
11.1
11.2
11.3
11.4
8152GS–AVR–11/09
Rev. 8152G- 11/09
Rev. 8152F- 10/09
Rev. 8152E- 08/09
Rev. 8152D- 08/09
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1.
2.
1.
2.
1.
2.
3.
4
5.
6.
7.
1.
2.
Added
Updated Assembly code example in
Added
Updated ordering information for 324PA
Removed
Updated
Updated
Updated
Updated
Updated
Updated ATmega164PA/324PA
Updated
Updated
ATmega1284P device and
Table on page 35,
”EEARH and EEARL – The EEPROM Address Register” on page
”Addressing the Flash During Self-Programming” on page 282,
”Serial Programming Pin Mapping” on page
”Register Summary” on page 415,
”Instruction Set Summary” on page 419,
”Ordering Information” for ATmega644PA device on page 424.
”ATmega644PA Typical Characteristics” on page 390
”RAMPZ – Extended Z-pointer Register for ELPM/SPM” on page 15.
ATmega164PA/324PA/644PA/1284P
Capacitance for Low-frequency Oscillator.
”Ordering Information” on page
Updated the datasheet.
”Watchdog Timer” on page
.
by removing RAMPZ register.
by removing ELPM mnemonics.
309.
422, MCU replaced by MCH.
56.
by removing RAMPZ.
24.
27