ATXMEGA256A3B-AU Atmel, ATXMEGA256A3B-AU Datasheet - Page 101

• 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

37. Datasheet Revision History
37.1
37.2
37.3
8116I–AVR–09/10
8116I - 09/10
8116H - 08/10
8116G - 05/10
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10
11.
12.
13.
1.
2.
3.
4.
5.
6.
7.
8.
9.
11.
Updated
Updated Footnote 2 of
Updated
Updated
Updated
Updated
Updated
Added AVCC in
Updated Start up time in
Updated
Updated
Updated
Fixed typo in
Editorial updates.
Updated the device pin-out
Deleted page with duplicated information on Production Signature Row in
Row” on page
Changed value for Crystal Oscillator from 32 kHz to 32.768 kHz in
Updated
Updated
Updated
Updated
Replaced
Updated
Updated
”Errata” on page
”Features” on page
”Timer/Counter and AWEX functions” on page
”Alternate Pin Functions” on page
Table 30-3 on page
”DC Characteristics” on page 64
”DAC Characteristics” on page
”VBAT and Battery Backup Characteristics” on page
Figure 35-6 on page
”DAC - 12-bit Digital to Analog Converter” on page
”Timer/Counter and AWEX functions” on page
”Alternate Pin Functions” on page
”Operating voltage and frequency” on page 66
Table 34-3 on page
”PAD Characteristics” on page
Table 34-3 on page
“Errata”
12.
”ADC Characteristics” on page
section.
Figure 2-1 on page
”ADC Characteristics” on page
95.
Figure 2-1 on page
28. Event Channel 0 output on port pin 7.
52. Pin 15 is VCC.
67, Endurance and Data Retention.
76. Replaced the figure by a correct one.
67.
69. Removed DC output impedence.
70. Input hysteresis is in V and not in mV.
by adding Icc for Flash/EEPROM Programming.
3.
52.
52.
3. PDI_CLK and PDI_DATA renamed only PDI.
68.
50.
50.
by replacing SYS to CPU.
68.
44. DAC uses internal 1.0 voltage.
73.
”Clock Options” on page
XMEGA A3B
”Production Signature
18.
101