ATxmega64B1 Atmel Corporation, ATxmega64B1 Datasheet - Page 135
ATxmega64B1
Manufacturer Part Number
ATxmega64B1
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64B1
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
53
Ext Interrupts
53
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
1
Uart
2
Segment Lcd
160
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
Temp. Sensor
Yes
Crypto Engine
AES/DES
Sram (kbytes)
8
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
3
Output Compare Channels
10
Input Capture Channels
10
Pwm Channels
10
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega64B1-AUR
Manufacturer:
ATMEL
Quantity:
210
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12.7
12.8
8291A–AVR–10/11
Port Event
Alternate Port Functions
Table 12-3.
Port pins can generate an event when there is a change on the pin. The sense configurations
decide the conditions for each pin to generate events. Event generation requires the presence of
a peripheral clock, and asynchronous event generation is not possible. For edge sensing, the
changed pin value must be sampled once by the peripheral clock for an event to be generated.
For level sensing, a low-level pin value will not generate events, and a high-level pin value will
continuously generate events. For events to be generated on a low level, the pin configuration
must be set to inverted I/O.
Most port pins have alternate pin functions in addition to being a general purpose I/O pin. When
an alternate function is enabled, it might override the normal port pin function or pin value. This
happens when other peripherals that require pins are enabled or configured to use pins. If and
how a peripheral will override and use pins is described in the section for that peripheral.
The port override signals and related logic (grey) are shown in
signals are not accessible from software, but are internal signals between the overriding periph-
eral and the port pin.
Sense Settings
Rising edge
Falling edge
Both edges
Low level
Limited asynchronous sense support.
Supported
Yes
Yes
No
No
Interrupt Description
-
-
Pin value must be kept unchanged during wake up
Pin level must be kept unchanged during wake up
Atmel AVR XMEGA B
Figure 12-10 on page
136. These
135
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