ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 78
![IC MCU AVR 32K FLASH 64VQFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA325A-MU
Manufacturer Part Number
ATMEGA325A-MU
Description
IC MCU AVR 32K FLASH 64VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA325A-MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Table 13-4.
Table 13-5.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
PB7/OC2A/
PCINT15
0
0
0
0
OC2A ENABLE
OC2A
–
PCINT15 • PCIE1
1
PCINT15 INPUT
–
PB3/MISO/
PCINT11
SPE • MSTR
PORTB3 • PUD
SPE • MSTR
0
SPE • MSTR
SPI SLAVE OUTPUT
–
PCINT11 • PCIE1
1
PCINT11 INPUT
SPI MSTR INPUT
–
Overriding Signals for Alternate Functions in PB7:PB4
Overriding Signals for Alternate Functions in PB3:PB0
PB6/OC1B/
PCINT14
0
0
0
0
OC1B ENABLE
OC1B
–
PCINT14 • PCIE1
1
PCINT14 INPUT
–
PCINT10 • PCIE1
PB2/MOSI/
PCINT10
SPE • MSTR
PORTB2 • PUD
SPE • MSTR
0
SPE • MSTR
SPI MSTR OUTPUT
–
1
PCINT10 INPUT
SPI SLAVE INPUT
–
PB5/OC1A/
PCINT13
0
0
0
0
OC1A ENABLE
OC1A
–
PCINT13 • PCIE1
1
PCINT13 INPUT
–
SPE • MSTR
SCK OUTPUT
PB1/SCK/
PCINT9
SPE • MSTR
PORTB1 • PUD
SPE • MSTR
0
–
PCINT9 • PCIE1
1
PCINT9 INPUT
SCK INPUT
–
PB4/OC0A/
PCINT12
0
0
0
0
OC0A ENABLE
OC0A
–
PCINT12 • PCIE1
1
PCINT12 INPUT
–
PB0/SS/
PCINT8
SPE • MSTR
PORTB0 • PUD
SPE • MSTR
0
0
0
–
PCINT8 • PCIE1
1
PCINT8 INPUT
SPI SS
–
8285B–AVR–03/11
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