ATxmega16A4 Atmel Corporation, ATxmega16A4 Datasheet - Page 96
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ATxmega16A4
Manufacturer Part Number
ATxmega16A4
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega16A4
Flash (kbytes)
16 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Speed
No
Usb Interface
No
Spi
7
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)
3.3
Eeprom (bytes)
1024
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:
ATxmega16A4U-AU
Manufacturer:
SAMSUNG
Quantity:
514
Part Number:
ATxmega16A4U-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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8.3.1
8.3.2
8.3.3
8077H–AVR–12/09
Idle Mode
Power-down Mode
Power-save Mode
Table 8-1 on page 96
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 start-up time for the system clock source must be added to the wake-up time for sleep
modes where the clock source is stopped. For details on the start-up time for the different oscil-
lators options refer to
The content of the Register File, SRAM and registers are kept during sleep. If a reset occurs
during sleep, the device will reset, start up and execute from the Reset Vector.
In Idle mode the CPU and Non-Volatile Memory are stopped, (note that any active programming
will be completed) but all peripherals including the Interrupt Controller, Event System and DMA
Controller are kept running. Any interrupt request interrupts will wake the device.
In Power-down mode all system clock sources, including the Real Time Counter clock source
are stopped. This allows operation of asynchronous modules only. The only interrupts that can
wake up the MCU are the Two Wire Interface address match interrupts, and asynchronous port
interrupts.
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 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.
”System Clock and Clock options” on page
shows the different sleep modes and the active clock domains, oscillators
Active clock domain
X
X
X
X
X
X
X
Oscillators
X
X
X
76.
X
X
X
X
X
Wake-up sources
XMEGA A
X
X
X
X
X
X
X
X
X
96
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