ATxmega64A3 Atmel Corporation, ATxmega64A3 Datasheet - Page 88

• Manufacturer Part Number: ATxmega64A3
• Manufacturer: Atmel Corporation

Specifications of ATxmega64A3

• 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: 50
• Ext Interrupts: 50
• Usb Speed: No
• Usb Interface: No
• 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): 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: 7
• Output Compare Channels: 22
• Input Capture Channels: 22
• Pwm Channels: 22
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

35.9
35.9.1
8068T–AVR–12/10
Oscillators and Wake-up Time
Internal 32.768 kHz Oscillator
Figure 35-33. BOD Thresholds vs. Temperature
Figure 35-34. Internal 32.768 kHz Oscillator Calibration Step Size
0.80 %
0.65 %
0.50 %
0.35 %
0.20 %
0.05 %
3.06
3.04
3.02
2.98
2.96
2.94
2.92
2.9
3
-40
0
BOD Level = 2.9V
T = -40 to 85
-30
32
-20
°
C, V
-10
CC
64
= 3V
0
96
10
RC32KCAL[7..0]
Temperature [°C]
20
Rising Vcc
Falling Vcc
128
30
160
40
50
192
60
70
224
XMEGA A3
80
256
90
88