ATXMEGA256A3B-AU Atmel, ATXMEGA256A3B-AU Datasheet - Page 65

• Manufacturer Part Number: ATXMEGA256A3B-AU
• Description: MCU AVR 256KB FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® XMEGAr

Specifications of ATXMEGA256A3B-AU

• Core Processor: AVR
• Core Size: 8/16-Bit
• Speed: 32MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 49
• 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; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Controller Family/series: ATXMEGA
• No. Of I/o's: 49
• Eeprom Memory Size: 4KB
• Ram Memory Size: 16KB
• Cpu Speed: 32MHz
• Rohs Compliant: Yes
• 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: 49
• Number Of Timers: 7
• Operating Supply Voltage: 2.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 34-1.
Note:
8116I–AVR–09/10
Symbol
Module current consumption
I
CC
1. All Power Reduction Registers set. Typical numbers measured at T = 25°C if nothing else is specified.
2. All parameters measured as the difference in current consumption between module enabled and disabled. All data at
V
Parameter
RC32M
RC32M w/DFLL
RC2M
RC2M w/DFLL
RC32K
PLL
Watchdog normal mode
BOD Continuous mode
BOD Sampled mode
Internal 1.00 V ref
Temperature reference
RTC with int. 32 kHz RC
as source
RTC with ULP as source
ADC
DAC Normal Mode
DAC Low-Power Mode
DAC S/H Normal Mode
DAC Low-Power Mode
S/H
AC High-speed
AC Low-power
USART
DMA
Timer/Counter
AES
Flash/EEPROM
Programming
CC
Current Consumption
= 3.0V, Clk
SYS
= 1 MHz External clock with no prescaling, T = 25°C.
(2)
Condition
Internal 32.768 kHz oscillator as DFLL source
Internal 32.768 kHz oscillator as DFLL source
Multiplication factor = 10x
No prescaling
No prescaling
250 kS/s - Int. 1V Ref
1000 kS/s, Single channel, Int. 1V Ref
1000 KS/s, Single channel, Int. 1V Ref
Int.1.1V Ref, Refresh 16CLK
Int.1.1V Ref, Refresh 16CLK
Rx and Tx enabled, 9600 BAUD
Prescaler DIV1
Vcc = 2V
Vcc = 3V
Min
XMEGA A3B
0.95
Typ
594
460
101
134
202
128
195
103
128
223
2.9
1.8
2.9
1.1
5.4
27
80
74
27
20
25
33
1
1
1
Max
Units
mA
mA
µA
µA
65