ATXMEGA256D3-AU Atmel, ATXMEGA256D3-AU Datasheet - Page 3

• 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

2. Pinout/ Block Diagram
Figure 2-1.
Notes:
8134I–AVR–12/10
1. For full details on pinout and alternate pin functions refer to
2. The large center pad underneath the QFN/MLF package should be soldered to ground on the board to ensure good
INDEX CORNER
mechanical stability.
Block diagram and pinout
GND
VCC
PC0
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA3
PA4
PA5
PA6
PA7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
ADC A
AC A0
AC A1
Port C
Watchdog
OSC/CLK
Port R
Control
Control
Control
Power
Reset
EVENT ROUTING NETWORK
”Pinout and Pin Functions” on page
Port D
TEMP
BOD
Interrupt Controller
DATA BU S
Event System ctrl
DATA BUS
CPU
Port E
VREF
RTC
E
FLASH
2
RAM
PROM
POR
OCD
Port F
46.
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
XMEGA D3
PF2
PF1
PF0
VCC
GND
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
VCC
GND
PD7
3