ATxmega64A3 Atmel Corporation, ATxmega64A3 Datasheet - Page 65

• Manufacturer Part Number: ATxmega64A3
• Manufacturer: Atmel Corporation

Specifications of ATxmega64A3

• Flash (kbytes): 64 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): 4
• Eeprom (bytes): 2048
• 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

34.3
8068T–AVR–12/10
Operating Voltage and Frequency
Table 34-2.
The maximum CPU clock frequency of the XMEGA A3 devices is depending on V
in
Figure 34-1. Maximum Frequency vs. Vcc
Figure 34-1 on page 65
Symbol
Clk
CPU
MHz
Operating voltage and frequency
32
12
Parameter
CPU clock frequency
1.6
the Frequency vs. V
1.8
V
V
V
V
CC
CC
CC
CC
Safe Operating Area
Condition
= 1.6V
= 1.8V
= 2.7V
= 3.6V
CC
2.7
curve is linear between 1.8V < V
Min
0
0
0
0
3.6
Typ
XMEGA A3
Max
12
12
32
32
V
CC
CC
. As shown
< 2.7V.
Units
MHz
65