ATXMEGA256A3B-MH Atmel, ATXMEGA256A3B-MH Datasheet - Page 432

• 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

34.7
8077H–AVR–12/09
8077B – 06/08
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Updated
Updated bit names and register names in
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Updated bit names and register names in
43.
Updated address register in
Updated features in
Updated bit name in
Updated register format in
Updated register format, bit register and register names in
on page
Updated the table layout in
Updated register description in
Updated register description, register names and bit register in
on page
”Hi-Res - High Resolution Extension” on page
Updated register description, register names and bit register in
Section 19. ”TWI – Two Wire Interface” on page
189, in
234, in
to Digital Converter” on page
Updated register description, register names and bit register in
Converter” on page
1149.1 JTAG Boundary Scan interface” on page
on page
Removed “Possibility to drive output to ground” from
Added “Internal/External reference” in
Updated “Bit utilization” in
Removed parentheses from the section’s title
Register Low byte” on page
Added information text before the table in
Corrected the VSCALE formula in
Merged Section 23.3.2 and Section 23.3.3 in one
Changed “singed” to signed in
Changed AWEXELOCK bit from position 4 to position 2 in
Waveform Extension Lock Register” on page
”Register Summary - MCU Control” on page
Added the last paragraph on
Inserted the correct
Updated the
Updated the
Updated the
Section 22. ”IRCOM - IR Communication Module” on page 255
Section 20. ”SPI – Serial Peripheral Interface” on page
76.
149, in
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“Overview”
Figure 14-2 on page
Figure 13-10 on page
Figure 25-18 on page 300
Section 15. ”AWeX – Advanced Waveform Extension” on page 175
316, in
Section 6.1 ”Features” on page
Figure 14-1 on page
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Section 6.8.2 ”CHnCTRL – Event Channel n Control Register” on page
“AVR CPU”
Section 26.9.6 ”STATUS – DAC Status Register” on page
Section 23.5 ”Register Description - AES” on page
Table 8-1 on page
Section 27. ”AC - Analog Comparator” on page
325.
Section 4.21 ”Register Summary - NVM Controller” on page
Section 3.8 ”Stack and Stack Pointer” on page
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Section 25.1 ”Features” on page
Section 8.6 ”Register Description – Power Reduction” on page
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Section 27.9.4 ”CTRLB – Control Register B” on page
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“DMAC - Direct Memory Access Controller”
Section 26.1 ”Features” on page
by removing the color.
150.
Section 26.10 ”Register Summary” on page
Section 5.14 ”Register Description – DMA Channel” on page
Section 4.20 ”Register Description – MCU Control” on page
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45, and updated the entire section and
Section 26.9.10 ”CH1DATAL – DAC Channel 1 Data
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187.
204, in
337, and in
Section 27.3.2 ”Internal Inputs” on page
65.
Section 26.1 ”Features” on page
Section 17. ”RTC - Real Time Counter” on page
Section 7. ”System Clock and Clock options”
Section 4.20.8 ”AWEXLOCK – Advanced
Section 29. ”Program and Debug Interface”
228, in
Section 14. ”TC - 16-bit Timer/Counter”
Section 13. ”I/O Ports” on page
Section 26. ”DAC - Digital to Analog
288.
Section 21. ”USART” on page
and in
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328, in
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Section 25. ”ADC - Analog
263.
and
XMEGA A
Section 28. ”IEEE
“Memories”
and in
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Section 4.25
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Section 16.
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98.
129, in
layout.
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