ATmega3290P Atmel Corporation, ATmega3290P Datasheet - Page 151

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ATmega3290P

Manufacturer Part Number
ATmega3290P
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega3290P

Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
160
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)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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8021G–AVR–03/11
Figure 17-9
Figure 17-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 17-10
Figure 17-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
Figure 17-11
TCNTn
TCNTn
(clk
(clk
OCRnx
OCFnx
TOVn
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
Tn
/8)
/8)
shows the same timing data, but with the prescaler enabled.
shows the setting of OCF2A in all modes except CTC mode.
shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
OCRnx - 1
MAX - 1
OCRnx
MAX
OCRnx Value
ATmega329P/3290P
OCRnx + 1
BOTTOM
clk_I/O
/8)
BOTTOM + 1
OCRnx + 2
clk_I/O
/8)
151

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