ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 348
ATxmega128B1
Manufacturer Part Number
ATxmega128B1
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega128B1
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
53
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
1
Uart
2
Segment Lcd
160
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
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
3
Output Compare Channels
10
Input Capture Channels
10
Pwm Channels
10
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega128B1-AU
Manufacturer:
TI
Quantity:
90
Company:
Part Number:
ATxmega128B1-U
Manufacturer:
FUJITSU
Quantity:
632
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Atmel AVR XMEGA B
• 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. The actual MUX setting for positive input equals
MUXPOS + OFFSET. The value is incremented after each conversion until it reaches the maxi-
mum 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.
348
8291A–AVR–10/11
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