ATXMEGA256A3B-AU Atmel, ATXMEGA256A3B-AU Datasheet - Page 70

• 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

34.9
Table 34-10. Brownout Detection Characteristics
Note:
34.10 PAD Characteristics
Table 34-11. PAD Characteristics
8116I–AVR–09/10
Symbol
Symbol
R
V
V
V
V
R
I
I
RST
OH
IL
IH
OL
IH
IL
P
Brownout Detection Characteristics
1. BOD is calibrated on BOD level 0 at 85°C.
Parameter
BOD level 0 falling Vcc
BOD level 1 falling Vcc
BOD level 2 falling Vcc
BOD level 3 falling Vcc
BOD level 4 falling Vcc
BOD level 5 falling Vcc
BOD level 6 falling Vcc
BOD level 7 falling Vcc
Hysteresis
Parameter
Input High Voltage
Input Low Voltage
Output Low Voltage GPIO
Output High Voltage GPIO
Input Leakage Current I/O pin
Input Leakage Current I/O pin
I/O pin Pull/Buss keeper Resistor
Reset pin Pull-up Resistor
Input hysteresis
V
V
V
V
I
I
I
I
I
I
OH
OH
OH
OH
OH
OH
CC
CC
CC
CC
= 5 mA, V
= 15 mA, V
= 10 mA, V
= -8 mA, V
= -6 mA, V
= -2 mA, V
= 2.4 - 3.6V
= 1.6 - 2.4V
= 2.4 - 3.6V
= 1.6 - 2.4V
(1)
BOD level 0-5
CC
Condition
CC
CC
CC
CC
CC
= 1.8V
= 3.3V
= 3.0V
= 1.8V
= 3.3V
= 3.0V
Condition
0.7*V
0.8*V
-0.5
-0.5
Min
2.6
2.1
1.4
CC
CC
Min
<0.001
<0.001
Typ
0.4
0.3
0.2
2.9
2.7
1.6
0.5
20
20
1.62
2.17
2.43
2.68
2.96
3.22
3.49
Typ
XMEGA A3B
1.9
1
V
V
0.3*V
0.2*V
CC
CC
Max
0.76
0.64
0.46
Max
1
1
+0.5
+0.5
CC
CC
Units
Units
kΩ
µA
%
V
V
V
70