ATxmega256A3B Atmel Corporation, ATxmega256A3B Datasheet - Page 441
ATxmega256A3B
Manufacturer Part Number
ATxmega256A3B
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega256A3B
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
47
Ext Interrupts
49
Usb Speed
No
Usb Interface
No
Spi
8
Twi (i2c)
2
Uart
6
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
Part Number:
ATxmega256A3B-MH
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega256A3BU-AU
Manufacturer:
ST
Quantity:
12 000
Company:
Part Number:
ATxmega256A3BU-MH
Manufacturer:
AAT
Quantity:
400
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8077H–AVR–12/09
23 Crypto Engines .................................................................................... 260
24 EBI - External Bus Interface ................................................................ 268
25 ADC - Analog to Digital Converter ..................................................... 289
22.2
22.3
22.4
23.1
23.2
23.3
23.4
23.5
23.6
23.7
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
24.9
24.10
24.11
24.12
24.13
24.14
25.1
25.2
25.3
25.4
25.5
25.6
25.7
25.8
Overview ........................................................................................................256
Registers Description ....................................................................................258
Register Summary .........................................................................................259
Features ........................................................................................................260
Overview ........................................................................................................260
DES Instruction ..............................................................................................260
AES Crypto Module .......................................................................................261
Register Description - AES ............................................................................264
Register Summary - AES ..............................................................................267
AES Interrupt vector ......................................................................................267
Features ........................................................................................................268
Overview ........................................................................................................268
Chip Select ....................................................................................................268
I/O Pin Configuration .....................................................................................269
EBI Clock .......................................................................................................270
SRAM Configuration ......................................................................................270
SRAM LPC Configuration ..............................................................................272
SDRAM Configuration ...................................................................................273
Combined SRAM & SDRAM Configuration ...................................................275
EBI Timing .....................................................................................................277
Register Description - EBI .............................................................................279
Register Description - EBI Chip Select ..........................................................284
Register Summary - EBI ................................................................................288
Register Summary - EBI Chip Select ............................................................288
Features ........................................................................................................289
Overview ........................................................................................................289
Input sources .................................................................................................290
ADC Channels ...............................................................................................293
Voltage reference selection ...........................................................................294
Conversion Result .........................................................................................294
Compare function ..........................................................................................296
Starting a conversion .....................................................................................296
XMEGA A
viii
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