ATXMEGA256A3B-AU Atmel, ATXMEGA256A3B-AU Datasheet - Page 71

• 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

34.11 POR Characteristics
Table 34-12. Power-on Reset Characteristics
34.12 Reset Characteristics
Table 34-13. Reset Characteristics
34.13 Oscillator Characteristics
Table 34-14. Internal 32.768 kHz Oscillator Characteristics
Table 34-15. Internal 2 MHz Oscillator Characteristics
Table 34-16. Internal 32 MHz Oscillator Characteristics
Table 34-17. Internal 32 kHz, ULP Oscillator Characteristics
8116I–AVR–09/10
Symbol
Symbol
Symbol
Symbol
Symbol
Symbol
V
V
POT+
POT-
Parameter
POR threshold voltage falling Vcc
POR threshold voltage rising Vcc
Parameter
Minimum reset pulse width
Reset threshold voltage
Parameter
Accuracy
Parameter
Accuracy
DFLL Calibration step size
Parameter
Accuracy
DFLL Calibration stepsize
Parameter
Output frequency 32 kHz ULP OSC
V
V
T = 85°C, V
After production calibration
T = 85°C, V
After production calibration
T = 25°C, V
T = 85°C, V
After production calibration
T = 25°C, V
CC
CC
T = 85°C, V
= 2.7 - 3.6V
= 1.6 - 2.7V
CC
CC
CC
CC
CC
CC
Condition
Condition
Condition
Condition
Condition
= 3V,
= 3V,
= 3V
= 3V,
= 3V
Condition
= 3.0V
Min
Min
Min
-0.5
Min
-1.5
Min
-1.5
Min
0.45*V
0.42*V
1.45
0.15
Typ
Typ
Typ
Typ
Typ
0.2
Typ
90
26
1
XMEGA A3B
CC
CC
Max
Max
Max
Max
Max
Max
0.5
1.5
1.5
Units
Units
Units
Units
Units
Units
kHz
ns
%
%
%
V
V
71