ATmega64A Atmel Corporation, ATmega64A Datasheet - Page 156

• 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

ATmega64A
Figure 17-8. Timer/Counter Timing Diagram, no Prescaling
clk
I/O
clk
Tn
(clk
/1)
I/O
TCNTn
MAX - 1
MAX
BOTTOM
BOTTOM + 1
TOVn
Figure 17-9
shows the same timing data, but with the prescaler enabled.
Figure 17-9. Timer/Counter Timing Diagram, with Prescaler (f
/8)
clk_I/O
clk
I/O
clk
Tn
(clk
/8)
I/O
TCNTn
MAX - 1
MAX
BOTTOM
BOTTOM + 1
TOVn
Figure 17-10
shows the setting of OCF2 in all modes except CTC mode.
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8160C–AVR–07/09