( Brand: National Semiconductor ), ( Manufacturer Part Number: NSC800N-4I )
The NSC800N-4i and NSC800N-41, both manufactured by National Semiconductor, are high-performance 8-bit microcontrollers that offer a versatile solution for various embedded applications. These microcontrollers are based on the popular 6502 microprocessor architecture, which is renowned for its simplicity, efficiency, and compatibility with a wide range of peripherals and software.
The NSC800N-4i and NSC800N-41 come in a 40-pin DIP package, making them easy to integrate into a breadboard or a custom PCB. They feature an on-chip oscillator, reset circuit, and clock divider, reducing the need for external components and simplifying the design process.
The microcontrollers incorporate a 16KB of on-chip programmable read-only memory (PROM) and 512 bytes of on-chip data RAM. The PROM can be programmed using a conventional EPROM programmer, allowing for flexible customization of the microcontroller's functionality. The data RAM is available for general-purpose data storage, and it can be used to store variables, constants, or temporary data.
The NSC800N-4i and NSC800N-41 support a wide range of I/O interfaces, including 8-bit general-purpose I/O (GPIO), serial communication (UART), and interrupt sources. The GPIO pins can be configured as input or output, allowing for direct control of external devices. The UART interface enables communication with other microcontrollers or external devices using asynchronous communication protocols, such as RS-232 or RS-485.
The microcontrollers also feature a built-in timer/counter, which can be used to generate time delays, pulse width modulation, or to measure elapsed time. Additionally, they include an on-chip watchdog timer, which can be used to ensure system reliability by periodically resetting the microcontroller if it becomes stuck in an infinite loop.
The NSC800N-4i and NSC800N-41 are well-suited for a variety of embedded applications, including automotive electronics, industrial control, consumer electronics, and test and measurement equipment. Their simplicity, versatility, and low power consumption make them an excellent choice for applications where size, cost, and power consumption are critical factors. In conclusion, the NSC800N-4i and NSC800N-41 are powerful and reliable microcontrollers that offer a cost-effective solution for a wide range of embedded applications.
The National Semiconductor NSC800N-4I and NSC800N-41 are both 800-MHz serial flash memory devices designed for use in embedded systems. Here are some pros and cons of using either of these devices:
NSC800N-4I: Pros:1. High data rate of 800 MHz, which can significantly improve the performance of embedded systems.
2. Wide temperature range of -40 C to 125 C, making it suitable for use in a variety of environments.
3. Vibration-resistant design, which can help reduce the risk of data loss in applications that involve movement or vibration.
4. Built-in ECC (Error Correction Code) for improved data reliability.
Cons:1. Higher price point compared to lower-performance flash memory devices.
2. Limited capacity options, with the highest available density being 4MB.
NSC800N-41: Pros:1. Similar data rate of 800 MHz, providing high-speed performance.
2. Wide temperature range of -40 C to 125 C, ensuring reliability in various environments.
3. Lower power consumption compared to the NSC800N-4I, which can help extend battery life in portable devices.
4. High-density options, up to 32MB, which can provide more storage capacity for larger embedded systems.
Cons:1. Slightly lower voltage tolerance compared to the NSC800N-4I, which may limit its compatibility with certain systems.
2. Potentially higher susceptibility to data corruption in high-vibration environments, due to its lower vibration resistance compared to the NSC800N-4I.
In conclusion, both the NSC800N-4I and NSC800N-41 offer high-speed performance and reliability in a wide temperature range. The NSC800N-4I may be a better choice for applications that require high-density storage and can tolerate its higher power consumption and higher price point. On the other hand, the NSC800N-41 is a more cost-effective option for applications that prioritize lower power consumption and higher capacity options. Ultimately, the choice between the two will depend on the specific requirements and constraints of your embedded system.
Original oem parts.