ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 36
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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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4.16.3
4.16.4
4.16.5
8291A–AVR–10/11
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 92
• 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
Register B” on page 94
• 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
Register A” on page 94
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
for more details.
for more details.
R
R
R
6
x
6
x
6
x
R
R
R
5
5
5
x
x
x
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 B
R
R
R
2
2
2
x
x
x
for more details.
R
R
R
1
1
1
x
x
x
”CALB – Calibration
”CALA – Calibration
0
R
0
R
0
R
x
x
x
RCOSC32MA
RCOSC32K
RCOSC32M
36
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