ATXMEGA256A3B-MH Atmel, ATXMEGA256A3B-MH Datasheet - Page 439
ATXMEGA256A3B-MH
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
ATXMEGA256A3B-MU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATXMEGA256A3B-MH
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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8077H–AVR–12/09
16 Hi-Res - High Resolution Extension ................................................... 188
17 RTC - Real Time Counter ..................................................................... 190
18 RTC32 - 32-bit Real Time Counter ...................................................... 197
19 TWI – Two Wire Interface .................................................................... 205
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
16.1
16.2
16.3
16.4
17.1
17.2
17.3
17.4
17.5
18.1
18.2
18.3
18.4
18.5
19.1
19.2
19.3
19.4
19.5
19.6
19.7
19.8
19.9
Features ........................................................................................................176
Overview ........................................................................................................176
Port Override .................................................................................................177
Dead Time Insertion ......................................................................................179
Pattern Generation ........................................................................................180
Fault Protection .............................................................................................181
Register Description ......................................................................................182
Register Summary .........................................................................................187
Features ........................................................................................................188
Overview ........................................................................................................188
Register Description ......................................................................................189
Register Summary .........................................................................................189
Features ........................................................................................................190
Overview ........................................................................................................190
Register Description ......................................................................................191
Register Summary .........................................................................................196
Interrupt Vector Summary .............................................................................196
Features ........................................................................................................197
Overview ........................................................................................................197
Register Description ......................................................................................198
Register Summary .........................................................................................204
Interrupt Vector Summary .............................................................................204
Features ........................................................................................................205
Overview ........................................................................................................205
General TWI Bus Concepts ...........................................................................206
TWI Bus State Logic ......................................................................................212
TWI Master Operation ...................................................................................213
TWI Slave Operation .....................................................................................215
Enabling External Driver Interface .................................................................216
Register Description - TWI ............................................................................217
Register Description - TWI Master ................................................................217
XMEGA A
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