ATxmega64A4U Atmel Corporation, ATxmega64A4U Datasheet - Page 104
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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8.3.1
8.3.2
8.3.3
8331A–AVR–07/11
Idle Mode
Power-down Mode
Power-save Mode
Table 8-1 on page 104
tors, and wake-up sources.
Table 8-1.
The wake-up time for the device is dependent on the sleep mode and the main clock source.
The startup time for the system clock source must be added to the wake-up time for sleep
modes where the system clock source is not kept running. For details on the startup time for the
different oscillator options, refer to
The content of the register file, SRAM and registers are kept during sleep. If a reset occurs dur-
ing sleep, the device will reset, start up, and execute from the reset vector.
In idle mode the CPU and nonvolatile memory are stopped (note that any ongoing programming
will be completed), but all peripherals, including the interrupt controller, event system and DMA
controller are kept running. Any enabled interrupt will wake the device.
In power-down mode, all clocks, including the real-time counter clock source, are stopped. This
allows operation only of asynchronous modules that do not require a running clock. The only
interrupts that can wake up the MCU are the two-wire interface address match interrupt, asyn-
chronous port interrupts, and the USB resume interrupt.
Power-save mode is identical to power down, with one exception. If the real-time counter (RTC)
is enabled, it will keep running during sleep, and the device can also wake up from either an
RTC overflow or compare match interrupt.
Sleep Modes
Idle
Power down
Power save
Standby
Extended standby
Active clock domains and wake-up sources in the different sleep modes.
shows the different sleep modes and the active clock domains, oscilla-
Active Clock Domain
”System Clock and Clock Options” on page
X
X
X
X
Oscillators
Atmel AVR XMEGA AU
X
X
X
X
X
X
X
X
X
X
X
Wake-up Sources
X
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81.
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104
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