ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 92
![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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92
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
PINE – Port E Input Pins Address
PORTF – Port F Data Register
DDRF – Port F Data Direction Register
PINF – Port F Input Pins Address
PORTG – Port G Data Register
DDRG – Port G Data Direction Register
PING – Port G Input Pins Address
PORTH – Port H Data Register
Bit
0x0C (0x2C)
Read/Write
Initial Value
Bit
0x11 (0x31)
Read/Write
Initial Value
Bit
0x10 (0x30)
Read/Write
Initial Value
Bit
0x0F (0x2F)
Read/Write
Initial Value
Bit
0x14 (0x34)
Read/Write
Initial Value
Bit
0x13 (0x33)
Read/Write
Initial Value
Bit
0x12 (0x32)
Read/Write
Initial Value
Bit
(0xDA)
Read/Write
Initial Value
PORTF7
PORTH7
PINE7
PINF7
DDF7
R/W
R/W
R/W
R/W
N/A
N/A
R/W
R
R
R
7
7
0
7
0
7
7
–
0
7
–
0
7
–
0
(1)
7
0
PORTF6
PINE6
PINF6
PORTH6
DDF6
R/W
R/W
R/W
R/W
N/A
N/A
R/W
R
6
–
0
R
R
6
6
0
6
0
6
6
–
0
6
–
0
6
0
PORTG4
PORTF5
PING5
PINE5
PINF5
DDG5
PORTH5
DDF5
R/W
R/W
R/W
R/W
N/A
N/A
R/W
R
5
0
R
R
5
5
0
5
0
5
5
0
5
0
5
0
PORTG4
PORTF4
PING4
PINE4
PINF4
DDG4
PORTH4
DDF4
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R/W
4
0
4
0
4
4
0
4
0
4
4
4
0
PORTG3
PORTF3
PING3
PINE3
PINF3
DDG3
DDF3
PORTH3
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R/W
3
3
0
3
0
3
3
0
3
0
3
3
0
PORTG2
PORTF2
PINE2
PING2
PINF2
DDG2
DDF2
PORTH2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R/W
2
2
0
2
0
2
2
0
2
0
2
2
0
PORTF1
PORTG1
PINE1
DDG1
PING1
PINF1
DDF1
PORTH1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
1
1
0
1
0
1
1
0
1
0
1
R/W
1
0
PORTF0
PORTG0
PINE0
DDG0
PING0
PINF0
DDF0
PORTH0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
0
0
0
0
0
0
0
0
0
0
0
R/W
8285B–AVR–03/11
0
0
PORTG
PORTF
DDRG
DDRF
PING
PORTH
PINE
PINF
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