ATmega3290A Atmel Corporation, ATmega3290A Datasheet - Page 351
ATmega3290A
Manufacturer Part Number
ATmega3290A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3290A
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
No
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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29.3
8284D–AVR–6/11
Speed Grades
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Maximum frequency is depending on V
V
Figure 29-1. Maximum Frequency vs. V
Figure 29-2. Maximum Frequency vs. V
CC
16 MHz
20 MHz
4 MHz
8 MHz
10 MHz
4 MHz
curve is linear between 1.8V < V
1.8V
ATmega329A/ATmega329PA/ATmega3290A/ATmega3290PA/ATmega6490A/
ATmega6490P
1.8V
2.7V
2.7V
CC
CC.
< 2.7 and between 2.7V < V
CC
CC
As shown in
, ATmega169A/169PA/ATmega649A/ATmega649P
(0 - 20MHz)
Safe Operating Area
Safe Operating Area
Figure
29-1, the Maximum Frequency vs.
4.5V
4.5V
CC
< 4.5.
5.5V
5.5V
351
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