ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 105

• 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

8386A–AVR–07/11
Figure 36-47. Gain Error vs. Temperature
Figure 36-48. INL vs. External VREF
1.6
1.5
1.4
1.3
1.2
1.1
0.9
0.8
0.7
1
-10
-11
-1
-2
-3
-4
-5
-6
-7
-8
-9
1
1
0
Differential Mode, V
-45
Differential Mode, V
1.2
-35
-25
1.4
CC
CC
-15
= 3.6V, External reference
= 3.6V
1.6
-5
1.8
5
Temperature [ºC]
VREF [V]
15
2
2.5V VREF
1V VREF
1.5V VREF
2V VREF
3V VREF
25
2.2
35
2.4
45
2.6
55
XMEGA A3U
65
2.8
75
3
-40ºC
85
85ºC
25ºC
105