ATxmega128A3U Atmel Corporation, ATxmega128A3U Datasheet - Page 379
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ATxmega128A3U
Manufacturer Part Number
ATxmega128A3U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega128A3U
Flash (kbytes)
128 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
50
Ext Interrupts
50
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
10
Twi (i2c)
2
Uart
7
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
AES/DES
Sram (kbytes)
8
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
7
Output Compare Channels
22
Input Capture Channels
22
Pwm Channels
22
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega128A3U-AU
Manufacturer:
ATMEL
Quantity:
39
Company:
Part Number:
ATxmega128A3U-MH
Manufacturer:
ATMEL
Quantity:
1
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Atmel AVR XMEGA AU
• Bit 7:4 – OFFSET[3:0]: Positive MUX setting offset
The Channel scan is enabled when COUNT !=0 and this register contains the offset for the next
input source to be converted on ADC channel 0 (CH0). The actual MUX setting for positive input
equals MUXPOS + OFFSET. The value is incremented after each conversion until it reaches the
maximum value given by COUNT. When OFFSET is equal to COUNT, OFFSET will be cleared
on the next conversion.
• Bit 3:0 – COUNT[3:0]: Number of input channels included in scan
This register gives the number of input sources included in the channel scan. The number of
input sources included is COUNT + 1. The input channels included are the range from MUXPOS
to MUXPOS + COUNT.
379
8331A–AVR–07/11
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