ATxmega64A4U Atmel Corporation, ATxmega64A4U Datasheet - Page 42
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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4.17.22
4.17.23
4.17.24
8331A–AVR–07/11
ADCBCAL0 – ADCB Calibration Register 0
ADCBCAL1 – ADCB Calibration Register 1
TEMPSENSE0 – Temperature Sensor Calibration Register 0
• Bit 7:0 – ADCACAL1[7:0]: ADCA Calibration Byte 1
This byte contains byte 1 of the ADCA calibration data, and must be loaded into the ADCA
CALH register.
ADCBCAL0 and ADCBCAL1 contains the calibration value for the analogtodigital converter
B(ADCB). Calibration is done during production test of the device. The calibration bytes are not
loaded automatically into the ADC calibration registers, so this must be done from software.
• Bit 7:0 – ADCBCAL0[7:0]: ADCB Calibration Byte 0
This byte contains byte 0 of the ADCB calibration data, and must be loaded into the ADCB CALL
register.
• Bit 7:0 – ADCBCAL0[7:0]: ADCB Calibration Byte 1
This byte contains byte 1 of the ADCB calibration data, and must be loaded into the ADCB
CALH register.
TEMPSENSE0 and TEMPSENSE1 contain the 12-bit ADCA value from a temperature measure-
ment done with the internal temperature sensor. The measurement is done in production test at
85°C and can be used for single- or multi-point temperature sensor calibration.
• Bit 7:0 – TEMPSENSE0[7:0]: Temperature Sensor Calibration Byte 0
This byte contains the byte 0 of the temperature measurement.
Bit
+0x24
Read/Write
Initial Value
Bit
+0x25
Read/Write
Initial Value
Bit
+0x2E
Read/Write
Initial Value
7
R
x
R
R
7
x
7
x
R
6
x
R
R
6
x
6
x
R
5
x
R
R
5
5
x
x
R
4
x
4
R
4
R
x
x
TEMPSENSE0[7:0]
ADCBCAL0[7:0]
ADCBCAL1[7:0]
R
3
x
R
R
3
x
3
x
Atmel AVR XMEGA AU
R
2
x
R
R
2
2
x
x
R
1
x
R
R
1
1
x
x
R
0
x
0
R
0
R
x
x
TEMPSENSE0
ADCBCAL0
ADCBCAL1
42
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