ATXMEGA256A3-MU Atmel, ATXMEGA256A3-MU Datasheet - Page 11
ATXMEGA256A3-MU
Manufacturer Part Number
ATXMEGA256A3-MU
Description
8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB
Manufacturer
Atmel
Datasheet
1.ATXMEGA64A3-MU.pdf
(134 pages)
Specifications of ATXMEGA256A3-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
256 KB
Data Ram Size
16 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
4 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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7.4
Figure 7-2.
8068T–AVR–12/10
Byte Address
Data Memory
5FFF
17FF
1000
2000
FFF
Data Memory Map (Hexadecimal address)
0
ATxmega192A3
Internal SRAM
I/O Registers
RESERVED
EEPROM
(16 KB)
(4 KB)
(2 KB)
The Data Memory consist of the I/O Memory, EEPROM and SRAM memories, all within one lin-
ear address space, see
devices in the family is identical and with empty, reserved memory space for smaller devices.
Byte Address
Figure 7-2 on page
3FFF
17FF
1000
2000
FFF
0
ATxmega128A3
Internal SRAM
I/O Registers
RESERVED
EEPROM
(4 KB)
(2 KB)
(8 KB)
11. To simplify development, the memory map for all
Byte Address
Byte Address
1FFF
5FFF
1000
2000
2FFF
17FF
FFF
1000
2000
FFF
0
0
XMEGA A3
ATxmega256A3
Internal SRAM
ATxmega64A3
Internal SRAM
I/O Registers
I/O Registers
EEPROM
RESERVED
EEPROM
(16 KB)
(4 KB)
(4 KB)
(4 KB)
(2 KB)
(4 KB)
11
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