ATxmega64A4U Atmel Corporation, ATxmega64A4U Datasheet - Page 448
ATxmega64A4U
Manufacturer Part Number
ATxmega64A4U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64A4U
Flash (kbytes)
64 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
2
Uart
5
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
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
5
Output Compare Channels
16
Input Capture Channels
16
Pwm Channels
16
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega64A4U-AU
Manufacturer:
ON
Quantity:
29 000
Company:
Part Number:
ATxmega64A4U-U
Manufacturer:
ATMEL
Quantity:
74
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33.12.3.11
33.13 Register Description
33.14 Register Summary
8331A–AVR–07/11
Write Fuse/ Lock Bit
The BUSY flag in the NVM STATUS register will be set until the operation is finished. The CRC
checksum will be available in the NVM DATA register.
The Write Fuse and Write Lock Bit command is used to write the fuses and the lock bits to a
more secure setting.
The BUSY flag in the NVM STATUS register will be set until the command is finished.
For lock bit write the LOCK BIT write command can also be used.
Refer to
the NVM Controller.
Refer to
register description on the PDI.
Refer to
the NVM Controller.
Refer to
1. Load the NVM CMD register with the Write Fuse/ Lock Bit command.
2. Write the selected fuse or Lock Bits by doing a PDI Write operation.
”Register Description - NVM Controller” on page 24
”Register Summary” on page 426
”Register Description - NVM Controller” on page 24
”Register Description – PDI Control and Status Registers” on page 424
for complete register summary on the PDI.
Atmel AVR XMEGA AU
for complete register description on
for complete register summary on
for complete
448
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