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AT91SAM7A3-AU
+BOMIC MCU 16/32B 256KB FLSH 100LQFP
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Nhà sản xuấtCông nghệ Microchip
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Ông. Phần #AT91SAM7A3-AU
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Bảng dữ liệu AT91SAM7A3-AU DataSheet
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Gói QFP100
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Có sẵn5602
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tray |
| Series | AT91SAM |
| ProductStatus | Obsolete |
| CoreProcessor | ARM7® |
| CoreSize | 16/32-Bit |
| Speed | 60MHz |
| Connectivity | CANbus, I²C, Memory Card, SPI, SSC, UART/USART |
| Peripherals | POR, PWM, WDT |
| NumberofI/O | 62 |
| ProgramMemorySize | 256KB (256K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 32K 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 | 100-LQFP |
Tổng quan
Description
Key features include 256 KB of Flash memory and 32 KB of SRAM, providing ample space for code and data storage. It supports multiple communication interfaces, including USART, SPI, TWI (I2C), and CAN, making it versatile for various connectivity applications. Additionally, it features a 10-bit ADC and various timers, enhancing its usability in control and automation tasks.
The AT91SAM7A3-AU also includes advanced power management capabilities to optimize energy efficiency. The device is packaged in a 100-pin TQFP, making it suitable for compact designs. It's often used in automotive, industrial, and consumer electronics applications where reliable performance and efficient processing are required.
Equivalent
1. NXP's LPC2103 series
2. STMicroelectronics' STM32F1 series (though it's ARM Cortex-M3 based)
3. Texas Instruments' TMS470 series
4. Cypress's PSoC 5LP series
These alternatives may differ in features, so it's crucial to compare specifications closely to ensure they meet your specific requirements.
Features
1. Memory: 256 KB Flash and 32 KB SRAM for efficient data storage and processing.
2. Connectivity: Includes multiple interfaces such as UART, SPI, and I2C for versatile communication options.
3. Timers: Equipped with multiple timers for precise event management.
4. Analog: Features a 10-bit ADC for converting analog signals to digital.
5. PWM: Provides Pulse Width Modulation capabilities for motor control and other applications.
6. GPIO: Several General-Purpose Input/Output pins for interfacing with external devices.
7. Debugging: Supports JTAG for in-circuit debugging and programming.
8. Temperature Range: Designed for automotive environments, it supports a wide operating temperature range.
These features make the AT91SAM7A3-AU suitable for embedded systems in automotive and industrial applications requiring reliable performance and connectivity.
Pinout
The microcontroller's key functions include:
1. CPU Core: ARM7TDMI, 32-bit RISC architecture.
2. Memory: Up to 256 KB of Flash memory and 32 KB of SRAM.
3. Peripherals: Includes a variety of interfaces such as:
- USARTs
- SPI
- I2C
- CAN controllers
- ADC (Analog-to-Digital Converter)
- PWM (Pulse Width Modulation)
4. Timers and Counters: Multiple timer/counter units for precise control and scheduling.
5. GPIO: General Purpose Input/Output pins for versatile interfacing.
6. Power Management: Features to ensure low power consumption.
The AT91SAM7A3-AU is suitable for applications requiring robust communication interfaces, real-time performance, and automotive reliability.