ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 100

• Manufacturer Part Number: ATxmega64B3
• Manufacturer: Atmel Corporation

Specifications of ATxmega64B3

• Flash (kbytes): 64 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: 36
• Ext Interrupts: 36
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Segment Lcd: 100
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 2
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 4
• Eeprom (bytes): 2048
• 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: 2
• Output Compare Channels: 6
• Input Capture Channels: 6
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

37.8.3
8074A–AVR–10/11
32MHZ internal oscillator
Figure 37-15. 2MHz internal oscillator frequency vs. Temperature
Figure 37-16. Internal 32MHz oscillator frequency vs. Temperature
1.995
1.985
1.975
36.5
35.5
34.5
33.5
32.5
31.5
1.99
1.98
1.97
36
35
34
33
32
2
-40
-45
-30
-35
DFLL enabled, from 32.768kHz internal oscillator
DFLL disabled
-20
-25
-10
-15
0
-5
10
5
Temperature [°C]
Temperature [°C]
20
15
30
25
40
35
50
45
60
55
70
65
XMEGA B3
80
75
90
85
3.3V
3.0V
2.7V
1.8V
3.3V
3.0V
2.7V
1.8V
100