ATxmega64A4U Atmel Corporation, ATxmega64A4U Datasheet - Page 37
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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4.17.3
4.17.4
4.17.5
8331A–AVR–07/11
RCOSC32K – Internal 32.768kHz Oscillator Calibration Register
RCOSC32M – Internal 32MHz Oscillator Calibration Register
RCOSC32MA – Internal 32MHz RC Oscillator Calibration Register
• Bit 7:0 – RCOSC32K[7:0]: Internal 32.768kHz Oscillator Calibration Value
This byte contains the oscillator calibration value for the internal 32.768kHz oscillator. Calibra-
tion of the oscillator is performed during production test of the device. During reset this value is
automatically loaded into the calibration register for the 32.768kHz oscillator. Refer to
”RC32KCAL – 32kHz Oscillator Calibration Register” on page 97
• Bit 7:0 – RCOSC32M[7:0]: Internal 32MHz Oscillator Calibration Value
This byte contains the oscillator calibration value for the internal 32MHz oscillator. Calibration of
the oscillator is performed during production test of the device. During reset this value is auto-
matically loaded into calibration register B for the 32MHz DFLL. Refer to
Calibration Register B” on page 100
• Bit 7:0 – RCOSC32MA[7:0]: Internal 32MHz Oscillator Calibration Value
This byte contains the oscillator calibration value for the internal 32MHz oscillator. Calibration of
the oscillator is performed during production test of the device. During reset this value is auto-
matically loaded into calibration register A for the 32MHz DFLL. Refer to
Calibration Register A” on page 99
Bit
+0x02
Read/Write
Initial Value
Bit
+0x03
Read/Write
Initial Value
Bit
+0x04
Read/Write
Initial Value
R
R
R
7
x
7
x
7
x
R
R
R
6
x
6
x
6
x
R
R
R
5
5
5
x
x
x
for more details.
for more details.
4
R
4
R
4
R
x
x
x
RCOSC32MA[7:0]
RCOSC32M[7:0]
RCOSC32K[7:0]
R
R
R
3
x
3
x
3
x
Atmel AVR XMEGA AU
R
R
R
2
2
2
x
x
x
for more details.
R
R
R
1
1
1
x
x
x
0
R
0
R
0
R
x
x
x
”CALB – DFLL
”CALA – DFLL
RCOSC32MA
RCOSC32K
RCOSC32M
37
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