ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 5
ATxmega256A3U
Manufacturer Part Number
ATxmega256A3U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega256A3U
Flash (kbytes)
256 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)
16
Eeprom (bytes)
4096
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:
ATxmega256A3U-AU
Manufacturer:
TI
Quantity:
12 000
Part Number:
ATxmega256A3U-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega256A3U-MH
Manufacturer:
PANASONIC
Quantity:
1 450
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2.1
Figure 2-1.
8331A–AVR–07/11
Block Diagram
Digital function
Analog function
Bus masters / Programming / Debug
Atmel AVR XMEGA AU block diagram.
PORT A (8)
PORT B (8)
Int. Refs.
Tempref
AREFA
AREFB
DACA
ADCA
ADCB
DACB
ACA
ACB
Oscillator / Crystal / Clock
General Purpose I/O
Battery Backup
Supervision
Controller
Event System
CRC
AES
DES
Power
V
Controller
Controller
BAT
PORT C (8)
EVENT ROUTING NETWORK
DMA
Matrix
32.768 kHz
Real Time
BUS
Counter
XOSC
F
a l
NVM Controller
s
DATA BUS
h
DATA BUS
CPU
SRAM
EVENT ROUTING NETWORK
PORT D (8)
Prog/Debug
Controller
Controller
Controller
Oscillator
E
Interrupt
Control
E
Sleep
OCD
Generation
P
Oscillator
Circuits/
R
Clock
PORT E (8)
O
Atmel AVR XMEGA AU
M
Real Time
Counter
JTAG
PDI
EBI
Supervision
POR/BOD &
PORT F (8)
Watchdog
Watchdog
RESET
Oscillator
Power
Timer
PORT P (8)
PORT N (8)
PORT M (8)
PORT K (8)
PORT H (8)
PORT G (8)
PORT L (8)
PORT J (8)
5
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