ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 84
ATxmega64B3
Manufacturer Part Number
ATxmega64B3
Description
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
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Atmel AVR XMEGA B
failure monitor is meant for external clock sources above 32kHz. It cannot be used for slower
external clocks.
When the failure monitor is enabled, it will not be disabled until the next reset.
The failure monitor is stopped in all sleep modes where the PLL or external clock source are
stopped. During wake up from sleep, it is automatically restarted.
The PLL and external clock source failure monitor settings are protected by the configuration
change protection mechanism, employing a timed write procedure for changing the settings. For
details, refer to
”Configuration Change Protection” on page
12.
84
8291A–AVR–10/11
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