ATxmega64A3U Atmel Corporation, ATxmega64A3U Datasheet - Page 154

• Manufacturer Part Number: ATxmega64A3U
• Manufacturer: Atmel Corporation

Specifications of ATxmega64A3U

• 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 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): 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

8331A–AVR–07/11
Table 13-4.
• Bit 2:0 – ISC[2:0]: Input/Sense Configuration
These bits set the input and sense configuration on pin n according to
configuration decides how the pin can trigger port interrupts and events. If the input buffer is not
disabled, the input cannot be read in the IN register.
Table 13-5.
Note:
OPC[2:0]
ISC[2:0]
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
1. A low-level pin value will not generate events, and a high-level pin value will continuously gen-
2. Only PORTA - PORTF support the input buffer disable option. If the pin is used for analog func-
erate events.
tionality, such as AC or ADC, it is recommended to configure the pin to INPUT_DISABLE.
Output/pull configuration.
Input/sense configuration.
Group Configuration
TOTEM
BUSKEEPER
PULLDOWN
PULLUP
WIREDOR
WIREDAND
WIREDORPULL
WIREDANDPULL
Group Configuration
BOTHEDGES
RISING
FALLING
LEVEL
INTPUT_DISABLE
Output Configuration
Totem-pole
Totem-pole
Totem-pole
Totem-pole
Wired-OR
Wired-AND
Wired-OR
Wired-AND
Sense both edges
Sense rising edge
Sense falling edge
Sense low level
Reserved
Reserved
Reserved
Digital input buffer disabled
Atmel AVR XMEGA AU
(1)
Description
Description
(2)
Pull Configuration
(N/A)
Bus-keeper
Pull-down (on input)
Pull-up (on input)
(N/A)
(N/A)
Pull-down
Pull-up
Table
13-5. The sense
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