ATmega64A Atmel Corporation, ATmega64A Datasheet - Page 90

• Manufacturer Part Number: ATmega64A
• Manufacturer: Atmel Corporation

Specifications of ATmega64A

• Flash (kbytes): 64 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 4
• Eeprom (bytes): 2048
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

13.4.10
13.4.11
13.4.12
13.4.13
13.4.14
13.4.15
13.4.16
13.4.17
8160C–AVR–07/09
PORTD – Port D Data Register
DDRD – Port D Data Direction Register
PIND – Port D Input Pins Address
PORTE – Port E Data Register
DDRE – Port E Data Direction Register
PINE – Port E Input Pins Address
PORTF – Port F Data Register
DDRF – Port F Data Direction Register
the DDRC and PINC registers are available in ATmega103 compatibility mode, and should not
be used for 100% backward compatibility.
Bit
0x12 (0x32)
Read/Write
Initial Value
Bit
0x11 (0x31)
Read/Write
Initial Value
Bit
0x10 (0x30)
Read/Write
Initial Value
Bit
0x03 (0x23)
Read/Write
Initial Value
Bit
0x02 (0x22)
Read/Write
Initial Value
Bit
0x01 (0x21)
Read/Write
Initial Value
Bit
(0x62)
Read/Write
Initial Value
Bit
(0x61)
Read/Write
Initial Value
PORTD7
PORTE7
PORTF7
PIND7
PINE7
DDD7
DDE7
DDF7
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
7
0
7
0
7
7
0
7
0
7
7
0
7
0
PORTD6
PORTE6
PORTF6
PIND6
PINE6
DDD6
DDE6
DDF6
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
0
0
0
0
6
0
6
6
6
6
6
0
6
6
PORTD5
PORTE5
PORTF5
PIND5
PINE5
DDD5
DDE5
DDF5
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
5
0
5
0
5
5
0
5
0
5
5
0
5
0
PORTD4
PORTE4
PORTF4
PIND4
PINE4
DDD4
DDF4
DDE4
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
0
4
0
4
0
4
4
0
4
0
4
4
0
4
PORTD3
PORTE3
PORTF3
PIND3
PINE3
DDD3
DDE3
DDF3
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
3
0
3
0
3
0
3
3
0
3
0
3
3
0
PORTD2
PORTE2
PORTF2
PIND2
PINE2
DDD2
DDE2
DDF2
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
2
0
2
0
2
2
0
2
2
0
2
0
2
0
PORTD1
PORTE1
PORTF1
PIND1
PINE1
DDD1
DDF1
DDE1
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
1
0
1
0
1
0
1
1
0
1
1
0
1
0
ATmega64A
PORTD0
PORTE0
PORTF0
PIND0
PINE0
DDD0
DDF0
DDE0
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PORTD
PORTE
PORTF
DDRF
DDRD
DDRE
PIND
PINF
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