ATxmega256A3 Atmel Corporation, ATxmega256A3 Datasheet - Page 11
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ATxmega256A3
Manufacturer Part Number
ATxmega256A3
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega256A3
Flash (kbytes)
256 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 Speed
No
Usb Interface
No
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)
16
Eeprom (bytes)
4096
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATxmega256A3-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATxmega256A3-AUR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
ATxmega256A3B-MH
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega256A3BU-AU
Manufacturer:
ST
Quantity:
12 000
Company:
Part Number:
ATxmega256A3BU-MH
Manufacturer:
AAT
Quantity:
400
Company:
Part Number:
ATxmega256A3U-AU
Manufacturer:
TI
Quantity:
12 000
Part Number:
ATxmega256A3U-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega256A3U-MH
Manufacturer:
PANASONIC
Quantity:
1 450
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