ATXMEGA256A3B-AU Atmel, ATXMEGA256A3B-AU Datasheet - Page 105

• 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

8116I–AVR–09/10
11 Power Management and Sleep Modes ................................................. 20
12 System Control and Reset .................................................................... 22
13 Battery Backup System ......................................................................... 24
14 PMIC - Programmable Multi-level Interrupt Controller ....................... 26
15 I/O Ports .................................................................................................. 28
16 T/C - 16-bit Timer/Counter with PWM ................................................... 32
17 AWEX - Advanced Waveform Extension ............................................. 34
18 Hi-Res - High Resolution Extension ..................................................... 35
10.2Overview ...............................................................................................................17
10.3Clock Options ........................................................................................................18
11.1Features ................................................................................................................20
11.2Overview ...............................................................................................................20
11.3Sleep Modes .........................................................................................................20
12.1Features ................................................................................................................22
12.2Resetting the AVR .................................................................................................22
12.3Reset Sources .......................................................................................................22
12.4WDT - Watchdog Timer .........................................................................................23
13.1Features ................................................................................................................24
13.2Overview ...............................................................................................................24
14.1Features ................................................................................................................26
14.2Overview ...............................................................................................................26
14.3Interrupt vectors ....................................................................................................26
15.1Features ................................................................................................................28
15.2Overview ...............................................................................................................28
15.3I/O configuration ....................................................................................................28
15.4Input sensing .........................................................................................................31
15.5Port Interrupt .........................................................................................................31
15.6Alternate Port Functions ........................................................................................31
16.1Features ................................................................................................................32
16.2Overview ...............................................................................................................32
17.1Features ................................................................................................................34
17.2Overview ...............................................................................................................34
18.1Features ................................................................................................................35
XMEGA A3B
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