ATXMEGA256D3-AU Atmel, ATXMEGA256D3-AU Datasheet - Page 5

• Manufacturer Part Number: ATXMEGA256D3-AU
• Description: MCU AVR 256KB FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® XMEGAr

Specifications of ATXMEGA256D3-AU

• Core Processor: AVR
• Core Size: 8/16-Bit
• Speed: 32MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 256KB (128K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.6 V ~ 3.6 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Processor Series: XMEGA
• Core: AVR
• Data Bus Width: 8 bit, 16 bit
• Data Ram Size: 16 KB
• Interface Type: SPI, TWI, USART
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 50
• Number Of Timers: 5
• Operating Supply Voltage: 2.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.1
Figure 3-1.
8134I–AVR–12/10
PA[0..7]
PB[0..7]
Block Diagram
XMEGA D3 Block Diagram
PORT A (8)
PORT B (8)
Int. Refs.
Tempref
VCC/10
AREFA
AREFB
IRCOM
ADCA
ACA
PORT C (8)
PC[0..7]
Event System
Controller
Controller
BUS
XTAL1
XTAL2
PR[0..1]
Flash
NVM Controller
PORT D (8)
EVENT ROUTING NETWORK
DATA BUS
CPU
SRAM
PD[0..7]
DATA BUS
Generation
Oscillator
Circuits/
PORT E (8)
Clock
PE[0..7]
Prog/Debug
Controller
Controller
Controller
Oscillator
EEPROM
Interrupt
Control
Sleep
OCD
TOSC1
TOSC2
Real Time
Counter
To Clock
Generator
Watchdog
Watchdog
PDI
Oscillator
Supervision
POR/BOD &
Timer
RESET
Power
USARTF0
TCF0
XMEGA D3
RESET/
PDI_CLK
PDI_DATA
PF[0..7]
VCC
GND
5