ATmega64A Atmel Corporation, ATmega64A Datasheet - Page 364

• 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

8160C–AVR–07/09
Figure 29-42. Calibrated 1 MHz RC Oscillator Frequency vs. Osccal Value
Figure 29-43. Calibrated 2 MHz RC Oscillator Frequency vs. Temperature
2.05
1.95
1.85
1.9
1.8
1.8
1.6
1.4
1.2
0.8
0.6
0.4
2
1
-40
0
16
-30
32
-20
48
-10
64
80
0
96
10
OSCCAL VALUE
Temperature ( °C )
112 128 144 160 176 192 208 224 240 256
20
30
40
50
60
ATmega64A
70
80
25 °C
5.5 V
5.0 V
4.5 V
4.0 V
3.6 V
3.3 V
3.0 V
2.7 V
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