ATXMEGA256A3B-MH Atmel, ATXMEGA256A3B-MH Datasheet - Page 46

• Manufacturer Part Number: ATXMEGA256A3B-MH
• Description: MCU AVR 256KB FLASH A3B 64-QFN
• Manufacturer: Atmel
• Series: AVR® XMEGAr

Specifications of ATXMEGA256A3B-MH

• 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-MLF®, 64-QFN
• Processor Series: ATXMEGA256x
• Core: AVR8
• Data Bus Width: 8 bit, 16 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 49
• Number Of Timers: 7
• Operating Supply Voltage: 1.6 V to 3.6 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
• On-chip Adc: 12 bit, 8 Channel
• On-chip Dac: 12 bit, 2 Channel
• For Use With: ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATXMEGA256A3B-MU; ATXMEGA256A3B-MU

4.21
4.22
8077H–AVR–12/09
Address
Address
+0x0C
+0x0D
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
+0x08
+0x09
+0x0A
+0x0B
+0x0E
+0x0F
+0x10
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
Register Summary - NVM Controller
Register Summary - Fuses and Lockbits
Name
Name
FUSEBYTE0
FUSEBYTE1
FUSEBYTE2
FUSEBYTE4
FUSEBYTE5
LOCKBITS
LOCKBITS
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
INTCTRL
STATUS
ADDR0
ADDR1
ADDR2
CTRLA
CTRLB
DATA0
DATA1
DATA2
CMD
NVMBUSY
Bit 7
Bit 7
BLBB[1:0]
BLBB[1:0]
BOOTRST
FBUSY
Bit 6
Bit 6
WDWPER3:0]
Bit 5
Bit 5
BODACT[1:0]
BLBA[1:0]
BLBA[1:0]
RSTDISBL
Bit 4
Bit 4
NVM Address Byte 0
NVM Address Byte 1
NVM Address Byte 2
NVM Data Byte 0
NVM Data Byte 1
NVM Data Byte 2
JTAGUID
EEMAPEN
EESAVE
CMD[6:0]
Bit 3
Bit 3
STARTUPTIME[1:0]
SPMLVL[1:0]
BLBAT[1:0]
BLBAT[1:0]
Bit 2
FPRM
Bit 2
WDPER[3:0]
BODLEVEL[2:0]
WDLOCK
EELOAD
Bit 1
EPRM
Bit 1
BODPD[1:0]
EELVL[1:0]
LB[1:0]
LB[1:0]
SPMLOCK
JTAGEN
CMDEX
XMEGA A
FLOAD
Bit 0
Bit 0
Page
Page
25
25
25
26
26
26
26
27
27
28
28
29
30
30
30
31
32
34
46