HomedatasheetATMEGA2561V-8AU

ATMEGA2561V-8AU Datasheet

Embedded - Microcontrollers
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Description

The ATmega640/1280/1281/2560/ ATMEGA2561V-8AU provides the following features: 64K/128K/256K bytes of In-System Programmable Flash with Read-While-Write capabilities, 4Kbytes EEPROM, 8 Kbytes SRAM, 54/86 general purpose I/O lines, 32 general purpose working registers, Real Time Counter (RTC), six flexible Timer/Counters with compare modes and PWM, 4 USARTs, a byte oriented 2-wire Serial Interface, a 16-channel, 10-bit ADC with optional differential input stage with programmable gain, programmable Watchdog Timer with Internal Oscillator, an SPI serial port, IEEE® std. 1149.1 compliant JTAG test interface, also used for accessing the Onchip Debug system and programming and six software selectable power saving modes. The Idle mode stops the CPU while allowing the SRAM, Timer/Counters, SPI port, and interrupt system to continue functioning. The Power-down mode saves the register contents but freezes the Oscillator, disabling all other chip functions until the next interrupt or Hardware Reset. In Powersave mode, the asynchronous timer continues to run, allowing the user to maintain a timer base while the rest of the device is sleeping. The ADC Noise Reduction mode stops the CPU and all I/O modules except Asynchronous Timer and ADC, to minimize switching noise during ADC conversions. In Standby mode, the Crystal/Resonator Oscillator is running while the rest of the device is sleeping. This allows very fast start-up combined with low power consumption. In Extended Standby mode, both the main Oscillator and the Asynchronous Timer continue to run.Atmel offers the QTouch ®library for embedding capacitive touch buttons, sliders and wheelsfunctionality into AVR microcontrollers. The patented charge-transfer signal acquisition offersrobust sensing and includes fully debounced reporting of touch keys and includes Adjacent KeySuppression ®(AKS™) technology for unambiguous detection of key events. The easy-to-use QTouch Suite toolchain allows you to explore, develop and debug your own touch applications.The device is manufactured using Atmel’s high-density nonvolatile memory technology. The Onchip ISP Flash allows the program memory to be reprogrammed in-system through an SPI serial interface, by a conventional nonvolatile memory programmer, or by an On-chip Boot program running on the AVR core. The boot program can use any interface to download the application program in the application Flash memory. Software in the Boot Flash section will continue to run while the Application Flash section is updated, providing true Read-While-Write operation. By combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the Atmel ATmega640/1280/1281/2560/ATMEGA2561V-8AU is a powerful microcontroller that provides a highly flexible and cost effective solution to many embedded control applications. ATMEGA2561V-8AU Features • High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller• Advanced RISC Architecture – 135 Powerful Instructions – Most Single Clock Cycle Execution – 32 × 8 General Purpose Working Registers – Fully Static Operation – Up to 16 MIPS Throughput at 16MHz – On-Chip 2-cycle Multiplier• High Endurance Non-volatile Memory Segments – 64K/128K/256KBytes of In-System Self-Programmable Flash – 4Kbytes EEPROM – 8Kbytes Internal SRAM – Write/Erase Cycles:10,000 Flash/100,000 EEPROM – Data retention: 20 years at 85°C/ 100 years at 25°C – Optional Boot Code Section with Independent Lock Bits• In-System Programming by On-chip Boot Program• True Read-While-Write Operation – Programming Lock for Software Security• Endurance: Up to 64Kbytes Optional External Memory Space• Atmel® QTouch® library support – Capacitive tou
Features

Parameters

[{"Name":"Core Size ","Value":"8-Bit "},{"Name":"Speed","Value":"8MHz "},{"Name":"Connectivity ","Value":"EBI/EMI, I2C, SPI, UART/USART "},{"Name":"Peripherals ","Value":"Brown-out Detect/Reset, POR, PWM, WDT "},{"Name":"Number of I /O ","Value":"54"},{"Name":"Program Memory Size ","Value":"256KB (128K x 16) "},{"Name":"Program Memory Type ","Value":"FLASH "},{"Name":"EEPROM Size ","Value":"4K x 8 "},{"Name":"RAM Size ","Value":"8K x 8 "},{"Name":"Voltage - Supply (Vcc/Vdd) ","Value":"1.8 V ~ 5.5 V "}]

Manufacturer information

SEIKO INSTRUMENTS

Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.


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