ATMEGA645A-AU Atmel, ATMEGA645A-AU Datasheet - Page 92

• Manufacturer Part Number: ATMEGA645A-AU
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645A-AU

• 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: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K 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-TQFP
• Processor Series: ATmega
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• 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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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