ATxmega128A3U Atmel Corporation, ATxmega128A3U Datasheet - Page 400
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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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30.9.7
30.9.8
8331A–AVR–07/11
CURRCTRL – Current Source Control Register
CURRCALIB – Current Source Calibration Register
The WIF is automatically cleared when the analog comparator window interrupt vector is exe-
cuted. The flag can also be cleared by writing a one to its bit location.
• Bit 1 – AC1IF: Analog Comparator 1 Interrupt Flag
This is the interrupt flag for Analog Comparator 1. AC1IF is set according to the INTMODE set-
ting in the corresponding
The AC1IF is automatically cleared when the analog comparator 1 interrupt vector is executed.
The flag can also be cleared by writing a one to its bit location.
• Bit 0 – AC0IF: Analog Comparator 0 Interrupt Flag
This is the interrupt flag for Analog Comparator 0. AC0IF is set according to the INTMODE set-
ting in the corresponding
The AC0IF is automatically cleared when the analog comparator interrupt vector is executed.
The flag can also be cleared by writing a one to its bit location.
• Bit 7 – CURRENT: Current Source Enable
Setting this bit to one will enable the constant current source.
• Bit 6 – CURRMODE: Current Mode
Setting this bit to one will combine the two Analog Comparator current sources in order to double
the output current for each Analog Comparator.
• Bit 5:2 – 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 1 – AC1CURR: AC1 Current Source Output Enable
Setting this bit to one will enable the constant current source output on the pin selected by MUX-
NEG in AC1MUXTRL.
• Bit 0 – AC0CURR: AC0 Current Source Output Enable
Setting this bit to one will enable the constant current source output on the pin selected by MUX-
NEG in AC0MUXTRL.
Bit
+0x09
Read/Write
Initial Value
Bit
+0x08
Read/Write
Initial Value
CURRENT
R/W
R
7
–
0
7
0
CURRMODE
R
6
–
0
R/W
6
0
”ACnCTRL – Analog Comparator n Control Register” on page
”ACnCTRL – Analog Comparator n Control Register” on page
R
5
–
0
5
–
R
0
4
–
R
0
4
–
R
0
R/W
3
0
Atmel AVR XMEGA AU
R
3
–
0
R/W
2
0
R
2
–
0
CALIB[3:0]
AC1CURR
R/W
R/W
1
0
1
0
AC0CURR
R/W
R/W
0
0
0
0
CURRCALIB
CURRCTRL
396.
396.
400
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