ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 98

• 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
37.8.1
8074A–AVR–10/11
Oscillators
32.768kHz internal oscillator
Figure 37-11. 32.768kHz internal oscillator frequency vs. Temperature
Figure 37-12. 32.768kHz internal oscillator frequency vs. Calibration
32.75
32.65
32.55
32.45
32.35
32.8
32.7
32.6
32.5
32.4
32.3
50
47
44
41
38
35
32
29
26
23
20
-40
0
16
-30
Vcc = 3.0V
32
-20
48
-10
64
0
80
96
10
112
Temperature [°C]
RC32KCAL[7..0]
20
128
30
144
40
160
176
50
192
60
208
70
224
XMEGA B3
80
240
256
90
3.3V
3.0V
2.7V
1.8V
-40°C
85°C
25°C
98