ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 95

• Manufacturer Part Number: ATxmega256A3U
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3U

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 50
• Ext Interrupts: 50
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 10
• Twi (i2c): 2
• Uart: 7
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 16
• Eeprom (bytes): 4096
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.6 to 3.6
• Operating Voltage (vcc): 1.6 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 7
• Output Compare Channels: 22
• Input Capture Channels: 22
• Pwm Channels: 22
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

36.7
8386A–AVR–07/11
Bod Characteristics
Figure 36-27. BOD Thresholds vs. Temperature
Figure 36-28. BOD Thresholds vs. Temperature
1.632
1.628
1.626
1.624
1.622
2.665
2.655
2.645
2.635
2.625
1.63
1.62
2.66
2.65
2.64
2.63
2.62
BOD Level = 1.6V
BOD Level = 2.6V
-45
-45
-35
-35
-25
-25
-15
-15
-5
-5
5
5
Temeperature [°C]
Temperature [°C]
15
15
Falling Vcc
Falling Vcc
Rising Vcc
Rising Vcc
25
25
35
35
45
45
55
55
XMEGA A3U
65
65
75
75
85
85
95