ATmega3250A Atmel Corporation, ATmega3250A Datasheet - Page 354

• Manufacturer Part Number: ATmega3250A
• Manufacturer: Atmel Corporation

Specifications of ATmega3250A

• 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: 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

8285D–AVR–06/11
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 29-42. ATmega165A: BOD Thresholds vs. Temperature (BOD Level is 1.8V)
Figure 29-43. ATmega165A: Bandgap Voltage vs. V
1.831
1.826
1.821
1.816
1.811
1.806
1.801
1.796
1.791
1.786
1.105
1.095
1.085
1.075
1.065
1.09
1.08
1.07
1.1
-45
1.5
-35
2
-25
-15
2.5
-5
Rising Vcc
3
5
Temperature (°C)
15
Vcc (V)
3.5
25
Falling Vcc
CC
35
4
45
4.5
55
65
5
75
85
5.5
-45 °C
85 °C
25 °C
354