ATxmega64A1 Atmel Corporation, ATxmega64A1 Datasheet - Page 49

• Manufacturer Part Number: ATxmega64A1
• Manufacturer: Atmel Corporation

Specifications of ATxmega64A1

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 78
• Ext Interrupts: 78
• Usb Speed: No
• Usb Interface: No
• Spi: 12
• Twi (i2c): 4
• Uart: 8
• 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: 4
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 4
• Eeprom (bytes): 2048
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• 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: 8
• Output Compare Channels: 24
• Input Capture Channels: 24
• Pwm Channels: 24
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

29. Pinout and Pin Functions
29.1
29.1.1
29.1.2
29.1.3
29.1.4
8067M–AVR–09/10
Alternate Pin Function Description
Operation/Power Supply
Port Interrupt functions
Analog functions
EBI functions
The pinout of XMEGA A1 is shown in
I/O functionality, each pin may have several functions. This will depend on which peripheral is
enabled and connected to the actual pin. Only one of the alternate pin functions can be used at
time.
The tables below shows the notation for all pin functions available and describes its function.
VCC
AVCC
GND
SYNC
ASYNC
ACn
AC0OUT
ADCn
DACn
AREF
An
Dn
CSn
ALEn
RE
WE
BAn
CAS
CKE
CLK
DQM
Digital supply voltage
Ground
Port pin with full synchronous and limited asynchronous interrupt function
Analog to Digital Converter input pin n
Analog Reference input pin
Address line n
Bank Address
Analog supply voltage
Port pin with full synchronous and full asynchronous interrupt function
Analog Comparator input pin n
Analog Comparator 0 Output
Digital to Analog Converter output pin n
Data line n
Chip Select n
Address Latch Enable pin n
Read Enable
External Data Memory Write
Column Access Strobe
SDRAM Clock Enable
SDRAM Clock
Data Mask Signal/Output Enable
“Pinout/Block Diagram” on page
(SRAM)
(SRAM)
(SRAM /SDRAM)
(SDRAM)
(SDRAM)
(SDRAM)
(SDRAM)
(SDRAM)
3. In addition to general
XMEGA A1
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