ATmega3290 Atmel Corporation, ATmega3290 Datasheet - Page 298

• Manufacturer Part Number: ATmega3290
• Manufacturer: Atmel Corporation

Specifications of ATmega3290

• Flash (kbytes): 32 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 16 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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ATmega329/3290/649/6490
Table 27-8.
Table 27-9.
Table 27-10. No. of Words in a Page and No. of Pages in the Flash
Table 27-11. No. of Words in a Page and No. of Pages in the EEPROM
EEPROM Size
(32/64K bytes)
XA1
16/32K words
1K/2K bytes
0
0
1
1
Flash Size
Command Byte
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
XA1 and XA0 Coding
Command Byte Bit Coding
XA0
0
1
0
1
Page Size
Page Size
4/8 bytes
64/128
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte
determined by BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
words
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
EEA[1/2:0]
PCWORD
PCWORD
PC[5/6:0]
No. of Pages
No. of Pages
256
256
[13/14:6/7]
[13/14:2/3]
PCPAGE
PCPAGE
EEA
PC
EEAMSB
PCMSB
13/14
13/14
2552K–AVR–04/11