ATMEGA324A-MU Atmel, ATMEGA324A-MU Datasheet - Page 572
ATMEGA324A-MU
Manufacturer Part Number
ATMEGA324A-MU
Description
IC MCU AVR 32K 20MHZ 44VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA324A-MU
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-VQFN Exposed Pad
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
JTAG, TWI, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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34. Datasheet Revision History
34.1
8272A–AVR–01/10
Rev. 8272A - 01/10
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.
164A/164PA/324A/324PA/644A/644PA/1284/1284P
1.
2.
Initial revision (Based on the ATmega164PA/324PA/644PA/1284P datasheet 8252G-AVR-11/09
and on the ATmega644 datasheet 2593N-AVR-09/09).
Changes done:
– Non-picoPower devices added: ATmega164A/324A/644A/1284
– Updated
– Updated
– Updated
– Updated
– Updated
– Updated
– Added
– Added
– Added
– Added
– Added
– Added
– Added
– Added
– Added
– Added
”DC Characteristics” on page 327
”ATmega164A Typical Characteristics” on page 343
”ATmega324A Typical Characteristics” on page 395
”ATmega644A Typical Characteristics” on page 447
”ATmega1284 Typical Characteristics” on page 499
”Ordering Information” on page 558
”Errata for ATmega164A” on page 571
”Errata for ATmega324A” on page 571
”Errata for ATmega644PA” on page 571
”Errata for ATmega1284” on page 571
Table 2-1 on page 6
Table 9-1 on page 43
”Sleep Modes” on page 43
”Register Description” on page 68
”USART” on page 172
”Signature Bytes” on page 298
and
and
”USART in SPI Mode” on page 199
and
”BOD Disable
for non-picoPower devices.
for non-picoPower devices
”Page Size” on page 298
(1)
” on page 44
572
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