AT90USB1287-MU
MCU 8-bit AVR RISC 128KB Flash 3.3V/5V 64-Pin QFN EP TrayAT90USB1287-MU
MCU 8-bit AVR RISC 128KB Flash 3.3V/5V 64-Pin QFN EP Tray
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Manufacturer Part # : AT90USB1287-MU
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Package/Case: QFN
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Brand: Microchip Technology
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Product Categories : Microcontrollers
Quality Assurance
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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
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About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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AT90USB1287-MU DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The AT90USB1287-MU stands out as a microcontroller designed specifically for USB applications within the ATmega family. Its impressive 128KB of flash memory provides ample room for program storage, ensuring that even large projects can be accommodated. Running at speeds of up to 16 MHz, this device offers efficient processing capabilities, enabling quick and responsive operation. Additionally, the microcontroller features 8KB of SRAM for temporary data storage and manipulation, as well as 4KB of EEPROM for non-volatile data storage needs. The integration of a USB 2.0 Full-Speed device controller allows for seamless connectivity with USB peripherals, making it a versatile choice for various applications. Supporting communication protocols such as SPI, USART, and TWI, the AT90USB1287-MU is well-equipped for a wide range of tasks, from consumer electronics to industrial automation. Its advanced features and solid structure make it a reliable option for projects demanding USB functionality
Key Features
- High performance, low power 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 16MIPS throughput at 16MHz
- – On-chip 2-cycle multiplier
- Non-volatile program and data memories
- – 64/128Kbytes of in-system self-programmable flash
- Endurance: 100,000 write/erase cycles
- – Optional Boot Code section with independent lock bits
- USB boot loader programmed by default in the factory
- In-system programming by on-chip boot program hardware activated after
- True read-while-write operation
- All supplied parts are pre-programed with a default USB bootloader
- – 2K/4K (64K/128K flash version) bytes EEPROM
- Endurance: 100,000 write/erase cycles
- – 4K/8K (64K/128K flash version) bytes internal SRAM
- – Up to 64Kbytes optional external memory space
- – Programming lock for software security
- JTAG (IEEE std. 1149.1 compliant) interface
- – Boundary-scan capabilities according to the JTAG standard
- – Extensive on-chip debug support
- – Programming of flash, EEPROM, fuses, and lock bits through the JTAG interface
- USB 2.0 full-speed/low-speed device and on-the-go module
- – Complies fully with:
- – Universal serial bus specification REV 2.0
- – On-the-go supplement to the USB 2.0 specification rev 1.0
- – Supports data transfer rates up to 12Mbit/s and 1.5Mbit/s
- USB full-speed/low speed device module with interrupt on transfer completion
- – Endpoint 0 for control transfers: up to 64-bytes
- – Six programmable endpoints with in or out directions and with bulk, interrupt or
- isochronous transfers
- – Configurable endpoints size up to 256bytes in double bank mode
- – Fully independent 832bytes USB DPRAM for endpoint memory allocation
- – Suspend/resume interrupts
- – Power-on reset and USB bus reset
- – 48MHz PLL for full-speed bus operation
- – USB bus disconnection on microcontroller request
- USB OTG reduced host:
- – Supports host negotiation protocol (HNP) and session request protocol (SRP) for
- OTG dual-role devices
- – Provide status and control signals for software implementation of HNP and SRP
- – Provides programmable times required for HNP and SRP
- Peripheral features
- – Two 8-bit timer/counters with separate prescaler and compare mode
- – Two16-bit timer/counter with separate prescaler, compare- and capture mode
- – Real time counter with separate oscillator
- – Four 8-bit PWM channels
- – Six PWM channels with programmable resolution from 2 to 16 bits
- – Output compare modulator
- – 8-channels, 10-bit ADC
- – Programmable serial USART
- – Master/slave SPI serial interface
- – Byte oriented 2-wire serial interface
- – Programmable watchdog timer with separate on-chip oscillator
- – On-chip analog comparator
- – Interrupt and wake-up on pin change
- Special microcontroller features
- – Power-on reset and programmable brown-out detection
- – Internal calibrated oscillator
- – External and internal interrupt sources
- – Six sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
- I/O and packages
- – 48 programmable I/O lines
- – 64-lead TQFP and 64-lead QFN
- Operating voltages
- – 2.7 - 5.5V
- Operating temperature
- – Industrial (-40°C to +85°C)
- Maximum frequency
- – 8MHz at 2.7V - industrial range
- – 16MHz at 4.5V - industrial range
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Program Memory Size (KB) | 128 | RAM (bytes) | 8 |
Data EEPROM (bytes) | 4096 | Pin Count ! | 64 |
Operation Voltage Max.(V) | 5.5 | Operation Voltage Min.(V) | 2.7 |
Timers | 0 x 8-bit - 0 x 16-bit | Max ADC Resolution (bits) | 10 |
ADC Channels | 8 | Zero Cross Detect | No |
Number of Comparators | 1 | SPI | 2 -SPI |
I2C | 1 -I2C | Stand alone PWM | 9 |
Low Power | No | Numerically Controlled Oscillator (NCO) | 0 |
Data Signal Modulator (DSM) | 0 |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is AT90USB1287-MU?
The AT90USB1287-MU is a high-performance, 8-bit microcontroller designed by Atmel (now Microchip). It features a USB interface, making it suitable for USB applications such as HID (Human Interface Device) devices, USB peripherals, and USB data acquisition systems.
How Does AT90USB1287-MU Work?
The AT90USB1287-MU operates as a versatile microcontroller with integrated USB functionality. It can communicate with external devices through USB, enabling data transfer and control capabilities. The microcontroller is programmable and features numerous I/O pins for connecting to various components and peripherals.
How Many Pins does AT90USB1287-MU have and What are the Functions of the Pinout Configuration?
The AT90USB1287-MU is housed in a 64-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:
- VCC, GND: Power supply and ground pins.
- USB_DP, USB_DN: USB data positive and negative pins.
- RESET: Reset pin for restarting the microcontroller.
- RXD0, TXD0: UART communication pins.
- ADC0-ADC7: Analog-to-Digital Converter (ADC) input pins.
- PWM: Pulse Width Modulation output pin.
- INT0, INT1: External interrupt pins.
- XTAL1, XTAL2: Crystal oscillator input and output pins.
What are the Pros and Cons of AT90USB1287-MU?
Pros:
- USB Connectivity: Integrated USB interface for direct connection to USB devices.
- High Performance: Offers a powerful 8-bit microcontroller for various applications.
- Programmable: Can be easily programmed for specific tasks and functions.
- Rich I/O Options: Multiple I/O pins for interfacing with external components.
- Flexible Communication: Supports UART communication and interrupts for data transfer.
Cons:
- Complexity: May require understanding of USB protocols for USB-related applications.
- Cost: High-performance microcontrollers like the AT90USB1287-MU may come at a higher price point.
- Size: Larger package size (64-pin QFN) may not be suitable for compact designs.
Are There Any Equivalents/Alternatives to AT90USB1287-MU for Recommendation?
- The ATmega32U4 from Microchip offers similar USB functionality in an 8-bit microcontroller.
- Alternatives to the AT90USB1287-MU include the STM32F103 series from STMicroelectronics and the LPC1343 from NXP.
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