ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 68

• 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

35.5
Table 35-4.
8386A–AVR–07/11
Symbol
R
V
V
V
V
V
V
R
I
I
RST
t
OH
OH
IN
IL
OL
OL
IH
r
IL
P
I/O Pin Characteristics
Parameter
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
Low Level Output Voltage
Output Low Voltage GPIO
Output High Voltage GPIO
Input Leakage Current I/O pin
Input Leakage Current I/O pin
I/O pin Pull/Buss keeper Resistor
Reset pin Pull-up Resistor
Input hysteresis
Pad rise time
I/O Pin Characteristics
The I/O pins complies with the JEDEC LVTTL and LVCSMOS specification and the high- and
low level input and output voltage limits reflect or exceed this specification.
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
No load
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 3.0 - 3.6V
= 2.3 - 2.7V
= 1.6 - 2.7V
= 3.0 - 3.6V
= 2.3 - 2.7V
= 1.6 - 2.7V
= 3.0 - 3.6V
= 2.3 - 2.7V
= 3.0 - 3.6V
= 2.3 - 2.7V
= 3.3V
= 3.0V
= 1.8V
= 3.3V
= 3.0V
= 1.8V
Condition
slew rate limitation
I
I
I
I
I
I
I
I
I
I
I
OL
OL
I
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
= 15mA
= 10mA
= -2mA
= -1mA
= -2mA
= -8mA
= -6mA
= -2mA
= 2mA
= 1mA
= 2mA
= 5mA
0.7*V
Min
-0.3
-0.3
-0.3
1.7
2.4
2.0
1.7
2.6
2.1
1.4
2
CC
<0.001
<0.001
3.19
2.43
2.37
0.05
0.03
0.05
0.41
0.28
0.18
2.86
2.63
1.63
Typ
0.2
27
25
4
7
XMEGA A3U
V
V
V
0.2*V
CC
CC
CC
Max
0.76
0.64
0.46
0.8
0.7
0.4
0.4
0.7
0.1
0.1
+0.3
+0.3
+0.3
CC
Units
kΩ
µA
nS
V
V
68