ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 99

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ATxmega256A3U

Manufacturer Part Number
ATxmega256A3U
Description
Manufacturer
Atmel Corporation
Datasheets

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

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8386A–AVR–07/11
Figure 36-35. 32MHz Internal Oscillator Frequency vs. Temperature
Figure 36-36. 32MHz Internal Oscillator CALA Calibration Step Size
0.36 %
0.34 %
0.32 %
0.30 %
0.28 %
0.26 %
0.24 %
0.22 %
0.20 %
0.18 %
0.16 %
0.14 %
0.12 %
32.05
31.95
31.85
31.75
31.65
32.1
31.9
31.8
31.7
31.6
32
-45
DFLL enabled, from 32.768kHz internal oscillator
V
0
CC
= 3.0V
-35
10
-25
20
-15
30
-5
40
50
5
Temperature [°C]
15
60
CALA
25
70
35
80
45
90
100
55
XMEGA A3U
110 120
65
75
130
85
3.0 V
3.3 V
2.7 V
2.2 V
1.8 V
-40°C
85°C
25°C
99

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