ATMEGA325-16AUR Atmel, ATMEGA325-16AUR Datasheet - Page 356
ATMEGA325-16AUR
Manufacturer Part Number
ATMEGA325-16AUR
Description
MCU AVR 32K FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA325-16AUR.pdf
(362 pages)
Specifications of ATMEGA325-16AUR
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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2570M–AVR–04/11
9
10 System Control and Reset .................................................................... 41
11 Interrupts ................................................................................................ 49
12 External Interrupts ................................................................................. 55
13 I/O-Ports .................................................................................................. 60
Power Management and Sleep Modes ................................................. 35
8.7
8.8
8.9
8.10
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
11.1
11.2
11.3
12.1
12.2
13.1
Clock Output Buffer .........................................................................................31
Timer/Counter Oscillator ..................................................................................31
System Clock Prescaler ..................................................................................32
Register Description ........................................................................................32
Sleep Modes ....................................................................................................35
Idle Mode .........................................................................................................35
ADC Noise Reduction Mode ............................................................................36
Power-down Mode ...........................................................................................36
Power-save Mode ............................................................................................36
Standby Mode .................................................................................................37
Power Reduction Register ...............................................................................37
Minimizing Power Consumption ......................................................................37
Register Description ........................................................................................39
Resetting the AVR ...........................................................................................41
Reset Sources .................................................................................................41
Power-on Reset ...............................................................................................42
External Reset .................................................................................................43
Brown-out Detection ........................................................................................43
Watchdog Reset ..............................................................................................44
Internal Voltage Reference ..............................................................................44
Watchdog Timer ..............................................................................................45
Timed Sequences for Changing the Configuration of the Watchdog Timer ....46
Register Description ........................................................................................47
Interrupt Vectors in Atmel ATmega325/3250/645/6450 ..................................49
Moving Interrupts Between Application and Boot Space .................................53
Register Description ........................................................................................53
Pin Change Interrupt Timing ............................................................................55
Register Description ........................................................................................56
Overview ..........................................................................................................60
ATmega325/3250/645/6450
ii
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