ATxmega64A4U Atmel Corporation, ATxmega64A4U Datasheet - Page 396
ATxmega64A4U
Manufacturer Part Number
ATxmega64A4U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64A4U
Flash (kbytes)
64 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
2
Uart
5
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
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
5
Output Compare Channels
16
Input Capture Channels
16
Pwm Channels
16
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega64A4U-AU
Manufacturer:
ON
Quantity:
29 000
Company:
Part Number:
ATxmega64A4U-U
Manufacturer:
ATMEL
Quantity:
74
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30.9
30.9.1
8331A–AVR–07/11
Register Description
ACnCTRL – Analog Comparator n Control Register
• Bit 7:6 – INTMODE[1:0]: Interrupt Modes
These bits configure the interrupt mode for the Analog Comparator according to
Table 30-1.
• Bit 5:4 – INTLVL[1:0]: Interrupt Level
These bits enable the Analog Comparator Interrupt and select the interrupt level as described in
”Interrupts and Programmable Multilevel Interrupt Controller” on page
will trigger according to the INTMODE setting.
• Bit 3 – HSMODE: High-Speed Mode Select
By default the Analog Comparator is in Low-power mode and this bit is zero. Setting this bit
selects high-speed mode for shorter propagation delay. For details on actual performance refer
to device data sheet.
• Bit 2:1 – HYSMODE[1:0]: Hysteresis Mode Select
These bits select hysteresis according to
to device data sheet.
Table 30-2.
• Bit 0 - ENABLE: Enable
Setting this bit enables the Analog Comparator.
Bit
+0x00 / +0x01
Read/Write
Initial Value
HYSMODE[1:0]
INTMODE[1:0]
00
01
10
11
00
01
10
11
R/W
Hysteresis Settings
7
0
Interrupt Settings
INTMODE[1:0]
BOTHEDGES
–
FALLING
RISING
NO
SMALL
LARGE
–
Group Configuration
Group Configuration
R/W
6
0
R/W
5
0
INTLVL[1:0]
Table
R/W
4
0
Comparator interrupt on output toggle
Comparator interrupt or event on falling output edge
Comparator interrupt or event on rising output edge
Description
Large hysteresis
Description
Reserved
No hysteresis
Small hysteresis
Reserved
30-2. For details on actual hysteresis levels refer
HSMODE
Atmel AVR XMEGA AU
R/W
3
0
R/W
2
0
HYSMODE[2:0]
132. The enabled interrupt
R/W
1
0
ENABLE
R/W
Table
0
0
30-1.
ACnCTRL
396
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