ATXMEGA256A3B-MH Atmel, ATXMEGA256A3B-MH Datasheet - Page 255

MCU AVR 256KB FLASH A3B 64-QFN

ATXMEGA256A3B-MH

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

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATXMEGA256A3B-MH
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
21.16 Register Summary
21.16.1
21.16.2
21.17 Interrupt Vector Summary
Table 21-10. USART Interrupt vectors and their word offset address
8077H–AVR–12/09
Address
Address
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
Offset
0x00
0x02
0x04
Register Description - USART
Register Description - USART in Master SPI Mode
Name
Name
BAUDCTRLA
BAUDCTRLB
BAUDCTRLA
BAUDCTRLB
Reserved
STATUS
Reserved
CTRLA
CTRLB
CTRLC
STATUS
DATA
CTRLC
CTRLA
CTRLB
DATA
Bit 7
RXCIF
RXCIF
Bit 7
RXC_vect
DRE_vect
TXC_vect
-
-
-
Source
CMODE[1:0]
-
-
-
CMODE[1:0]
Bit 6
TXCIF
Bit 6
TXCIF
-
-
-
-
-
-
BSCALE[3:0]
BSCALE[3:0]
Interrupt Description
USART Receive Complete Interrupt vector
USART Data Register Empty Interrupt vector
USART Transmit Complete Interrupt vector
DREIF
Bit 5
-
-
DREIF
Bit 5
RXCINTLVL[1:0]
-
-
-
PMODE[1:0]
RXCINTLVL[1:0]
Bit 4
FERR
RXEN
-
Bit 4
RXEN
-
-
-
DATA[7:0]
BSEL[7:0]
DATA[7:0]
BSEL[7:0]
SBMODE
BUFOVF
Bit 3
TXEN
-
Bit 3
TXEN
TXCINTLVL[1:0]
-
-
-
TXCINTLVL[1:0]
CLK2X
Bit 2
PERR
-
UDORD
Bit 2
-
-
-
BSEL[11:8]
BSEL[11:8]
CHSIZE[2:0]
MPCM
Bit 1
Bit 1
UCPH
-
-
-
-
-
DREINTLVL[1:0]
DREINTLVL[1:0]
XMEGA A
Bit 0
Bit 0
RXB8
TXB8
-
-
-
-
-
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