ATxmega128A3U Atmel Corporation, ATxmega128A3U Datasheet - Page 376
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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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28.17.3
8331A–AVR–07/11
INTCTRL – Channel Interrupt Control registers
Table 28-15 on page 376 andTable 28-16 on page 376
Table 28-15. ADC MUXNEG Configuration, INPUTMODE[1:0] = 10, Differential without gain
Table 28-16. ADC MUXNEG Configuration, INPUTMODE[1:0] = 11, Differential with gain
• Bits 7:4 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always
write these bits to zero when this register is written.
• Bit 3:2 – INTMODE: ADC Interrupt Mode
These bits select the interrupt mode for the channel according to
Bit
+0x02
Read/Write
Initial Value
MUXNEG[2:0]
MUXNEG[2:0]
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
R
7
–
0
R
6
–
0
PIN0
PIN1
PIN2
PIN3
-
GND
-
INTGND
PIN4
PIN5
PIN6
PIN7
INTGND
-
-
GND
Group Configuration
Group Configuration
R
5
–
0
R
4
–
0
Atmel AVR XMEGA AU
R/W
3
0
INTMODE[1:0}
shows the possible input sections.
R/W
2
0
Table
Internal ground
Internal ground
Analog input
Analog input
PAD ground
PAD ground
ADC0 pin
ADC1 pin
ADC2 pin
ADC3 pin
Reserved
Reserved
ADC4 pin
ADC5 pin
ADC6 pin
ADC7 pin
Reserved
Reserved
R/W
28-17.
1
0
INTLVL[1:0]
R/W
0
0
INTCTRL
376
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