ATmega3250 Atmel Corporation, ATmega3250 Datasheet - Page 332

• Manufacturer Part Number: ATmega3250
• Manufacturer: Atmel Corporation

Specifications of ATmega3250

• 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: 25
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• 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

2570N–AVR–05/11
Figure 29-51. AREF External Reference Current vs. V
Figure 29-52. 32kHZ TOSC Current vs. V
160
140
120
100
80
60
40
20
25
20
15
10
0
5
0
1.5
1.5
2
2
2.5
2.5
3
3
CC
V
V
CC
CC
3.5
3.5
ATmega325/3250/645/6450
(V)
(V)
(Watchdog Timer Disabled)
4
4
CC
4.5
4.5
5
5
5.5
5.5
-40 °C
85 °C
25 °C
85 °C
25 °C
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