사양
| 속성 | 가치 |
| Package | Bulk |
| Series | SAM7S |
| ProductStatus | Active |
| CoreProcessor | ARM7® |
| CoreSize | 16/32-Bit |
| Speed | 55MHz |
| Connectivity | I²C, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| NumberofI/O | 32 |
| ProgramMemorySize | 256KB (256K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 64K x 8 |
| Voltage-Supply(Vcc/Vdd) | 1.65V ~ 1.95V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 64-VFQFN Exposed Pad |
개요
Description
The AT91SAM7S256D-MU is a microcontroller from Microchip Technology, part of the SAM7 family. It features a 32-bit ARM7TDMI processor, designed for embedded applications requiring a balance of performance and power efficiency. Key specifications include 256 KB of Flash memory, 64 KB of SRAM, and a 48 MHz maximum clock speed. It supports a wide range of interfaces such as SPI, I2C, UART, USB, and ADC, making it versatile for various applications.
The microcontroller is housed in a QFN64 package, suitable for space-constrained designs. It operates at 1.65V to 3.6V, featuring power-saving modes to extend battery life in portable devices. The AT91SAM7S256D-MU is ideal for industrial control, consumer electronics, and communication systems due to its robust set of features and peripheral support. It also has extensive development support with tools like Atmel Studio, enabling efficient firmware development and debugging. Its combination of features and capabilities makes it a reliable choice for developers aiming to implement complex functionalities in embedded systems.
The microcontroller is housed in a QFN64 package, suitable for space-constrained designs. It operates at 1.65V to 3.6V, featuring power-saving modes to extend battery life in portable devices. The AT91SAM7S256D-MU is ideal for industrial control, consumer electronics, and communication systems due to its robust set of features and peripheral support. It also has extensive development support with tools like Atmel Studio, enabling efficient firmware development and debugging. Its combination of features and capabilities makes it a reliable choice for developers aiming to implement complex functionalities in embedded systems.
Equivalent
The AT91SAM7S256D-MU is a microcontroller from Microchip Technology. Equivalent products might include:
1. NXP's LPC2138 – ARM7-based microcontroller.
2. STMicroelectronics' STM32F103 series – ARM Cortex-M3 based microcontrollers.
3. Texas Instruments' TMS470 series – ARM7-based microcontrollers.
These alternatives offer similar functionalities, but specifics like peripheral sets and power consumption may vary. Always compare datasheets to ensure compatibility with your project's requirements.
1. NXP's LPC2138 – ARM7-based microcontroller.
2. STMicroelectronics' STM32F103 series – ARM Cortex-M3 based microcontrollers.
3. Texas Instruments' TMS470 series – ARM7-based microcontrollers.
These alternatives offer similar functionalities, but specifics like peripheral sets and power consumption may vary. Always compare datasheets to ensure compatibility with your project's requirements.
Features
The AT91SAM7S256D-MU is a microcontroller from Microchip Technology, based on the ARM7TDMI core. It features 256 KB of Flash memory and 64 KB of SRAM, providing ample space for code and data storage. The microcontroller operates at a maximum speed of 55 MHz, ensuring efficient processing capabilities for various applications.
Key features include:
- Peripherals: It offers a range of peripherals such as USART, SPI, TWI (I2C compatible), and an 8-channel 10-bit ADC.
- Timers: Includes several timers and a real-time clock for precise time-keeping and event management.
- USB Support: Integrated USB 2.0 full-speed device for connectivity.
- I/O Ports: A wide array of configurable I/O pins for flexible hardware interfacing.
- Power Management: Features a power management controller to handle power consumption efficiently, with various low-power modes.
- Security: Incorporates a watchdog timer for system reliability and a brown-out detector.
This microcontroller is well-suited for embedded systems requiring robust performance, connectivity, and peripheral flexibility.
Key features include:
- Peripherals: It offers a range of peripherals such as USART, SPI, TWI (I2C compatible), and an 8-channel 10-bit ADC.
- Timers: Includes several timers and a real-time clock for precise time-keeping and event management.
- USB Support: Integrated USB 2.0 full-speed device for connectivity.
- I/O Ports: A wide array of configurable I/O pins for flexible hardware interfacing.
- Power Management: Features a power management controller to handle power consumption efficiently, with various low-power modes.
- Security: Incorporates a watchdog timer for system reliability and a brown-out detector.
This microcontroller is well-suited for embedded systems requiring robust performance, connectivity, and peripheral flexibility.
Pinout
The AT91SAM7S256D-MU is a microcontroller in the Atmel (now Microchip Technology) AT91SAM7 family. It features a 64-pin LQFP (Low-Profile Quad Flat Package) with the following main functionalities:
- ARM7TDMI Core: Runs at up to 55 MHz.
- Flash Memory: 256 KB of in-system programmable Flash memory.
- SRAM: 64 KB of high-speed SRAM.
- Peripherals: Includes interfaces like USB 2.0 Full Speed, USART, SPI, TWI (I2C), PWM, and ADC.
- I/O Ports: Offers several flexible I/O lines.
- Timers: Includes multiple 16-bit timers and a real-time clock.
- Watchdog Timer: Onboard for system reliability.
- Power Management Controller: Efficiently manages power consumption.
- Interrupt Controller: Supports both vectorized and prioritized interrupts.
This microcontroller is suitable for a wide range of applications that require an efficient embedded solution with multiple integrated functions. The 64-pin configuration provides sufficient connectivity for complex system requirements.
- ARM7TDMI Core: Runs at up to 55 MHz.
- Flash Memory: 256 KB of in-system programmable Flash memory.
- SRAM: 64 KB of high-speed SRAM.
- Peripherals: Includes interfaces like USB 2.0 Full Speed, USART, SPI, TWI (I2C), PWM, and ADC.
- I/O Ports: Offers several flexible I/O lines.
- Timers: Includes multiple 16-bit timers and a real-time clock.
- Watchdog Timer: Onboard for system reliability.
- Power Management Controller: Efficiently manages power consumption.
- Interrupt Controller: Supports both vectorized and prioritized interrupts.
This microcontroller is suitable for a wide range of applications that require an efficient embedded solution with multiple integrated functions. The 64-pin configuration provides sufficient connectivity for complex system requirements.
Manufacturer
The AT91SAM7S256D-MU is manufactured by Microchip Technology Inc. Microchip Technology is a leading semiconductor company that designs, develops, and manufactures microcontrollers, memory, and analog and interface products. The company serves various industries, including automotive, consumer electronics, and industrial applications, providing solutions for embedded control systems.
Application
The AT91SAM7S256D-MU is a microcontroller used in various embedded applications. Its key application areas include industrial automation, where it controls machinery and processes; consumer electronics, providing processing power for devices like remote controls and home appliances; and automotive systems, where it manages functions such as infotainment and diagnostics. Additionally, it's used in communication devices for handling data processing and transfer, and in medical instruments for tasks like data logging and device control. Its compact size, low power consumption, and rich set of peripherals make it suitable for these diverse applications.
Package
The AT91SAM7S256D-MU is a microcontroller from Microchip that features a 64-pin QFN (Quad Flat No-leads) package type.
