ATXMEGA256A3B-MH Atmel, ATXMEGA256A3B-MH Datasheet - Page 442

• 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
26 DAC - Digital to Analog Converter ..................................................... 317
27 AC - Analog Comparator ..................................................................... 328
25.9
25.10
25.11
25.12
25.13
25.14
25.15
25.16
25.17
25.18
25.19
25.20
26.1
26.2
26.3
26.4
26.5
26.6
26.7
26.8
26.9
26.10
26.11
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
27.9
27.10
ADC Clock and Conversion Timing ...............................................................296
ADC Input Model ...........................................................................................300
DMA transfer .................................................................................................301
Interrupts and events .....................................................................................301
Calibration .....................................................................................................301
Channel priority .............................................................................................301
Synchronous sampling ..................................................................................301
Register Description - ADC ...........................................................................302
Register Description - ADC Channel .............................................................309
Register Summary - ADC ..............................................................................315
Register Summary - ADC Channel ................................................................315
Interrupt vector Summary ..............................................................................316
Features ........................................................................................................317
Overview ........................................................................................................317
Starting a conversion .....................................................................................318
Output channels ............................................................................................318
DAC Output model ........................................................................................318
DAC clock ......................................................................................................319
Timing constraints .........................................................................................319
Low Power mode ...........................................................................................319
Calibration .....................................................................................................319
Register Description ......................................................................................320
Register Summary .........................................................................................327
Features ........................................................................................................328
Overview ........................................................................................................328
Input Channels ..............................................................................................330
Start of Signal Compare ................................................................................330
Generating Interrupts and Events ..................................................................330
Window Mode ................................................................................................330
Input hysteresis .............................................................................................331
Power consumption vs. propagation delay ....................................................331
Register Description ......................................................................................331
Register Summary .........................................................................................336
XMEGA A
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