ATXMEGA64A3-MU Atmel, ATXMEGA64A3-MU Datasheet - Page 30
ATXMEGA64A3-MU
Manufacturer Part Number
ATXMEGA64A3-MU
Description
8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 64KB + 4KB
Manufacturer
Atmel
Datasheet
1.ATXMEGA64A3-MU.pdf
(134 pages)
Specifications of ATXMEGA64A3-MU
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
AVR
Data Bus Width
8 bit/16 bit
Maximum Clock Frequency
32 MHz
Program Memory Size
64 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Package / Case
QFN EP
Mounting Style
SMD/SMT
A/d Bit Size
12 bit
A/d Channels Available
8
Data Rom Size
2 KB
Interface Type
I2C, SPI, USART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
50
Number Of Timers
7
Processor Series
ATXMega
Program Memory Type
Flash
Factory Pack Quantity
260
Supply Voltage - Max
3.6 V
Supply Voltage - Min
1.6 V
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15.4
15.5
15.6
8068T–AVR–12/10
Input sensing
Port Interrupt
Alternate Port Functions
•
•
•
•
Input sensing is synchronous or asynchronous depending on the enabled clock for the ports,
and the configuration is shown in
Figure 15-7. Input sensing system overview
When a pin is configured with inverted I/O, the pin value is inverted before the input sensing.
Each port has two interrupts with separate priority and interrupt vector. All pins on the port can
be individually selected as source for each of the interrupts. The interrupts are then triggered
according to the input sense configuration for each pin configured as source for the interrupt.
In addition to the input/output functions on all port pins, most pins have alternate functions. This
means that other modules or peripherals connected to the port can use the port pins for their
functions, such as communication or pulse-width modulation.
page 49
which alternate functions that are available on a pin.
Sense both edges
Sense rising edges
Sense falling edges
Sense low level
INVERTED I/O
Pn
shows which modules on peripherals that enable alternate functions on a pin, and
Synchronizer
D Q
R
INn
D Q
Figure 15-7 on page
R
Asynchronous sensing
Synchronous sensing
DETECT
DETECT
EDGE
EDGE
30.
”Pinout and Pin Functions” on
XMEGA A3
Interrupt
Control
IREQ
Event
30
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