ATMEGA325-16AU Atmel, ATMEGA325-16AU Datasheet - Page 26

• Manufacturer Part Number: ATMEGA325-16AU
• Description: IC AVR MCU 32K 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA325-16AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 54
• 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: 64-TQFP, 64-VQFP
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI/UART/USI
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 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
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• Total Internal Ram Size: 2KB
• # I/os (max): 54
• 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: 64
• Package Type: TQFP
• Package: 64TQFP
• Family Name: ATmega
• Maximum Speed: 16 MHz
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - 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

10.6
10.7
10.8
10.9
10.10 Rev. 2570D – 05/05
2570MS–AVR–04/11
Rev. 2570H – 06/06
Rev. 2570G – 04/06
Rev. 2570F – 03/06
Rev. 2570E – 03/06
4.
5.
6.
1.
2.
3.
1.
1.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10
11.
12.
13.
1.
2.
3.
4.
5.
Updated Features in
Added
Updated
Updated
Updated
Added
Updated
Updated
Added Addresses in Register Descriptions.
Updated number of Genearl Purpose I/O pins.
Correction of Bitnames in
Added
Updated
Updated
Updated Introduction in
Updated
Updated
Updated Features in
Updated
Updated
262.
Updated
MLF-package alternative changed to “Quad Flat No-Lead/Micro Lead Frame
Package QFN/MLF”.
Added
Updated
Updated
Added
“Clock speed considerations.” on page
Table 27-2 on page
“Resources” on page
“Pin Change Interrupt Timing” on page
Figure 26-12 on page
“Errata” on page
“Calibrated Internal RC Oscillator” on page
“OSCCAL – Oscillator Calibration Register” on page
“Calibrated Internal RC Oscillator” on page
“Errata” on page
“Power Management and Sleep Modes” on page
“Bit 0 – IVCE: Interrupt Vector Change Enable” on page
18.“SPI – Serial Peripheral Interface” on page
“Bit 6 – ACBG: Analog Comparator Bandgap Select” on page
“Prescaling and Conversion Timing” on page
“Atmel ATmega325/3250/645/6450 Boot Loader Parameters” on page
“DC Characteristics” on page
“Signature Bytes” on page
Table 26-15 on page
“USI – Universal Serial Interface” on page
“Analog to Digital Converter” on page
“I/O-Ports” on page
“Register Summary” on page
350.
350.
300.
9.
284.
282.
268.
ATmega325/3250/645/6450
297.
60.
191.
55.
29.
29.
204.
148.
336.
35.
201.
32.
185.
54.
199.
26