ATXMEGA256A3-MU Atmel, ATXMEGA256A3-MU Datasheet - Page 11

• Manufacturer Part Number: ATXMEGA256A3-MU
• Description: 8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB
• Manufacturer: Atmel

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

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