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PDF ATXMEGA64A4 Data sheet ( Hoja de datos )
| Número de pieza | ATXMEGA64A4 | |
| Descripción | (ATXMEGAxxxA4) 8/16-bit XMEGA A1 Microcontroller | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• High-performance, Low-power AVR 8/16-bit AVR XMEGA Microcontroller
• Non-volatile Program and Data Memories
– 16K - 128K Bytes of In-System Self-Programmable Flash
– 4K Boot Code Section with Independent Lock Bits
– 1K - 2K Bytes EEPROM
– 2K - 8K Bytes Internal SRAM
• Peripheral Features
– Four-channel DMA Controller with support for external requests
– Eight-channel Event System
– Five 16-bit Timer/Counters
Three Timer/Counters with 4 Output Compare or Input Capture channels
www.DataSheet4U.cTowmo Timer/Counters with 2 Output Compare or Input Capture channels
High-Resolution Extensions on all Timer/Counters
Advanced Waveform Extension on one Timer/Counter
– Five USARTs
IrDA Extension on one USART
– Two Two-Wire Interfaces with dual address match (I2C and SMBus compatible)
– Two SPIs (Serial Peripheral Interfaces) peripherals
– AES and DES Crypto Engine
– 16-bit Real Time Counter with Separate Oscillator
– One Twelve-channel, 12-bit, 2 Msps Analog to Digital Converter
– One Two-channel, 12-bit, 1 Msps Digital to Analog Converter
– Two Analog Comparators with Window compare function
– External Interrupts on all General Purpose I/O pins
– Programmable Watchdog Timer with Separate On-chip Ultra Low Power Oscillator
• Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal and External Clock Options with PLL
– Programmable Multi-level Interrupt Controller
– Sleep Modes: Idle, Power-down, Standby, Power-save, Extended Standby
– Advanced Programming, Test and Debugging Interfaces
PDI (Program and Debug Interface) for programming, test and debugging
• I/O and Packages
– 34 Programmable I/O Lines
– 44-lead TQFP
– 44-pad MLF
• Operating Voltage
– 1.6 – 3.6V
• Speed performance
– 0 – 12 MHz @ 1.6 – 2.7V
– 0 – 32 MHz @ 2.7 – 3.6V
8/16-bit
XMEGA A4
Microcontroller
ATxmega128A4
ATxmega64A4
ATxmega32A4
ATxmega16A4
Preliminary
Typical Applications
• Industrial control
• Factory automation
• Building control
• Climate control
• ZigBee
• Motor control
• Board control
• Networking
• White Goods
• Optical
• Hand-held battery applications
• Power tools
• HVAC
• Metering
• Medical Applications
8069D–AVR–08/08
1 page  
XMEGA A4
4. Resources
A comprehensive set of development tools, application notes and datasheets are available for
download on http://www.atmel.com/avr.
4.1 Recommended reading
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5. Disclaimer
• XMEGA A Manual
• XMEGA A Application Notes
This device data sheet only contains part specific information and a short description of each
peripheral and module. The XMEGA A Manual describes the modules and peripherals in depth.
The XMEGA A application notes contain example code and show applied use of the modules
and peripherals.
The XMEGA A Manual and Application Notes are available from http://www.atmel.com/avr.
For devices that are not available yet, typical values contained in this datasheet are based on
simulations and characterization of other AVR XMEGA microcontrollers manufactured on the
same process technology. Min. and Max values will be available after the device is
characterized.
8069D–AVR–08/08
5
5 Page 
XMEGA A4
7.4.2 SRAM Data Memory
7.4.3
The XMEGA A4 devices has internal SRAM memory for data storage.
EEPROM Data Memory
The XMEGA A4 devices has internal EEPROM memory for non-volatile data storage. It is
addressable either in a separate data space or it can be memory mapped into the normal data
memory space. The EEPROM memory supports both byte and page access.
7.5 Calibration Row
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The Calibration Row is a separate memory section for factory programmed data. It contains cal-
ibration data for functions such as oscillators, device ID, and a factory programmed serial
number that is unique for each device. The device ID for the available XMEGA A1 devices is
shown in Table 7-1 on page 11. Some of the calibration values will be automatically loaded to
the corresponding module or peripheral unit during reset. The Calibration Row can not be written
or erased. It can be read from application software and external programming.
Table 7-1. Device ID bytes for XMEGA A4 devices.
Device
ATxmega16A4
ATxmega32A4
ATxmega64A4
ATxmega128A4
Byte 2
41
41
46
46
Device ID bytes
Byte 1
94
85
96
97
Byte 0
1E
1E
1E
1E
7.6 User Signature Row
The User Signature Row is a separate memory section that is fully accessible (read and write)
from application software and external programming. The User Signature Row is one flash page
in size, and is meant for static user parameter storage, such as calibration data, custom serial
numbers, random number seeds etc. This section is not erased by Chip Erase, and requires a
dedicated erase command. This ensures parameter storage during multiple program/erase ses-
sion and On-Chip Debug sessions.
8069D–AVR–08/08
11
11 Page | ||
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| PDF Descargar | [ Datasheet ATXMEGA64A4.PDF ] | |
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