ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 52

• Manufacturer Part Number: ATxmega256A3U
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3U

• 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 Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• 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

31.1.5
31.1.6
31.1.7
8386A–AVR–07/11
Communication functions
Oscillators, Clock and Event
Debug/System functions
SCL
SDA
SCLIN
SCLOUT
SDAIN
SDAOUT
XCKn
RXDn
TXDn
SS
MOSI
MISO
SCK
D-
D+
TOSCn
XTALn
CLKOUT
EVOUT
RTCOUT
RESET
PDI_CLK
PDI_DATA
TCK
TDI
TDO
TMS
Serial Data for TWI
Serial Clock In for TWI when external driver interface is enabled
Serial Clock Out for TWI when external driver interface is enabled
Serial Data In for TWI when external driver interface is enabled
Transmitter Data for USART n
Timer Oscillator pin n
Input/Output for Oscillator pin n
RTC Clock Source Output
Program and Debug Interface Data pin
Serial Clock for TWI
Serial Data Out for TWI when external driver interface is enabled
Transfer Clock for USART n
Receiver Data for USART n
Slave Select for SPI
Master Out Slave In for SPI
Master In Slave Out for SPI
Serial Clock for SPI
Data- for USB
Data+ for USB
Peripheral Clock Output
Event Channel 0 Output
Reset pin
Program and Debug Interface Clock pin
JTAG Test Clock
JTAG Test Data In
JTAG Test Data Out
JTAG Test Mode Select
XMEGA A3U
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