ATxmega256A3 Atmel Corporation, ATxmega256A3 Datasheet - Page 432

• Manufacturer Part Number: ATxmega256A3
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3

• 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 Speed: No
• Usb Interface: No
• 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

34.7
8077H–AVR–12/09
8077B – 06/08
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Updated bit names and register names in
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Updated address register in
Updated features in
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Updated register format in
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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
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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.
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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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Section 26.9.10 ”CH1DATAL – DAC Channel 1 Data
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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
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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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129, in
layout.
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