Microchip Technology SST89E54RD2-40-C-NJE

The SST89E54RD2-40-C-NJE is a high-performance, 8-bit microcontroller from Microchip Technology, designed to offer a robust and versatile solution for embedded systems. This device is part of the FlashFlex family of microcontrollers, which is known for its flexibility and reliability in a wide range of applications. The microcontroller operates at a frequency of 40 MHz, providing a solid balance between speed and power consumption.

Featuring 8KB of on-chip Flash EEPROM program memory, the SST89E54RD2-40-C-NJE allows for easy and efficient program updates without the need for an external programmer. This in-system programmability makes it an excellent choice for applications where firmware modifications are necessary after deployment, such as industrial automation, consumer electronics, and automotive systems.

The microcontroller is equipped with 256 bytes of RAM, which supports the execution of complex algorithms and buffering of data. Its robust I/O capabilities, including 32 programmable I/O pins, allow for versatile interfacing with peripherals and other devices. The SST89E54RD2-40-C-NJE also features three 16-bit timer/counters, a full-duplex serial UART, and a Watchdog Timer, making it a highly capable microcontroller for time-sensitive and critical tasks.

Additional features of the SST89E54RD2-40-C-NJE include a dual block super-flash EEPROM, which is partitioned into two independent 4KB blocks. This design supports a Boot Block and an Application Block, enabling secure bootloading and ensuring the integrity of the application code. The device also supports SPI serial interface and has an on-chip oscillator with an external clock option, giving designers flexibility in system design.

The SST89E54RD2-40-C-NJE is available in a 40-pin PDIP package, which is suitable for prototyping as well as for production runs. Its industrial temperature range of -40°C to +85°C ensures reliable operation even in harsh environmental conditions. With its combination of features, the SST89E54RD2-40-C-NJE from Microchip Technology is a powerful and adaptable microcontroller that can meet the needs of a wide spectrum of embedded system applications.