ATXMEGA256A3-MU Atmel, ATXMEGA256A3-MU Datasheet - Page 88

• Manufacturer Part Number: ATXMEGA256A3-MU
• Description: 8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB
• Manufacturer: Atmel

Specifications of ATXMEGA256A3-MU

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: AVR
• Data Bus Width: 8 bit/16 bit
• Maximum Clock Frequency: 32 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 16 KB
• On-chip Adc: Yes
• Package / Case: QFN EP
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 8
• Data Rom Size: 4 KB
• Interface Type: I2C, SPI, USART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 50
• Number Of Timers: 7
• Processor Series: ATXMega
• Program Memory Type: Flash
• Factory Pack Quantity: 260
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.6 V

35.9
35.9.1
8068T–AVR–12/10
Oscillators and Wake-up Time
Internal 32.768 kHz Oscillator
Figure 35-33. BOD Thresholds vs. Temperature
Figure 35-34. Internal 32.768 kHz Oscillator Calibration Step Size
0.80 %
0.65 %
0.50 %
0.35 %
0.20 %
0.05 %
3.06
3.04
3.02
2.98
2.96
2.94
2.92
2.9
3
-40
0
BOD Level = 2.9V
T = -40 to 85
-30
32
-20
°
C, V
-10
CC
64
= 3V
0
96
10
RC32KCAL[7..0]
Temperature [°C]
20
Rising Vcc
Falling Vcc
128
30
160
40
50
192
60
70
224
XMEGA A3
80
256
90
88