ATXMEGA256A3B-MH Atmel, ATXMEGA256A3B-MH Datasheet - Page 441

• Manufacturer Part Number: ATXMEGA256A3B-MH
• Description: MCU AVR 256KB FLASH A3B 64-QFN
• Manufacturer: Atmel
• Series: AVR® XMEGAr

Specifications of ATXMEGA256A3B-MH

• Core Processor: AVR
• Core Size: 8/16-Bit
• Speed: 32MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Size: 256KB (128K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.6 V ~ 3.6 V
• Data Converters: A/D 16x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Processor Series: ATXMEGA256x
• Core: AVR8
• Data Bus Width: 8 bit, 16 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 49
• Number Of Timers: 7
• Operating Supply Voltage: 1.6 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 8 Channel
• On-chip Dac: 12 bit, 2 Channel
• For Use With: ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATXMEGA256A3B-MU; ATXMEGA256A3B-MU

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
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