ATmega64 Atmel Corporation, ATmega64 Datasheet - Page 103

• Manufacturer Part Number: ATmega64
• Manufacturer: Atmel Corporation

Specifications of ATmega64

• 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

2490Q–AVR–06/10
Figure 42. Timer/Counter Timing Diagram, with Prescaler (f
Figure 43
Figure 43. Timer/Counter Timing Diagram, Setting of OCF0, with Prescaler (f
Figure 44
Figure 44. Timer/Counter Timing Diagram, Clear Timer on Compare Match Mode, with Pres-
caler (f
TCNTn
TCNTn
TCNTn
(clk
(clk
(clk
OCRn
(CTC)
OCRn
OCFn
OCFn
TOVn
clk
clk
clk
clk
clk
clk
clk_I/O
I/O
I/O
I/O
I/O
I/O
Tn
I/O
Tn
Tn
/8)
/8)
/8)
shows the setting of OCF0 in all modes except CTC mode.
shows the setting of OCF0 and the clearing of TCNT0 in CTC mode.
/8)
MAX - 1
OCRn - 1
TOP - 1
MAX
OCRn
TOP
OCRn Value
TOP
clk_I/O
OCRn + 1
BOTTOM
BOTTOM
/8)
ATmega64(L)
clk_I/O
BOTTOM + 1
OCRn + 2
BOTTOM + 1
/8)
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