ATXMEGA256A3-MU Atmel, ATXMEGA256A3-MU Datasheet - Page 5

• 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

3.1
Figure 3-1.
8068T–AVR–12/10
PB[0..7]/
PA[0..7]
JTAG
Block Diagram
XMEGA A3 Block Diagram
PORT A (8)
PORT B (8)
Tempref
Int. Ref.
AREFA
VCC/10
AREFB
IRCOM
ADCA
ADCB
DACB
ACA
ACB
PORT C (8)
PC[0..7]
Event System
DES
AES
Controller
Controller
Controller
DMA
BUS
XTAL1
XTAL2
PR[0..1]
Flash
NVM Controller
PORT D (8)
DATA BUS
EVENT ROUTING NETWORK
PD[0..7]
CPU
SRAM
DATA BUS
Generation
Oscillator
Circuits/
Clock
Prog/Debug
PORT E (8)
Oscillator
Controller
Controller
Controller
EEPROM
Interrupt
Control
PE[0..7]
Sleep
OCD
Real Time
TOSC1
TOSC2
Counter
To Clock
Generator
JTAG
Watchdog
Watchdog
PDI
Oscillator
Supervision
POR/BOD &
Timer
RESET
Power
USARTF0
TCF0
PORT B
XMEGA A3
PF[0..7]
RESET/
PDI_CLK
VCC
GND
PDI_DATA
5