SC28L92A1B,557 Dual UART with FIFOs

The SC28L92A1B,557 from NXP Semiconductors is a highly-integrated dual Universal Asynchronous Receiver/Transmitter (UART) designed to facilitate serial communication in a wide array of applications. This integrated circuit is part of the SC28L92 series, known for its reliability and performance in managing serial data transmission.

The device features two independent UART channels, each with its own set of registers and FIFOs (First-In, First-Out memory queues), allowing for efficient data buffering. With FIFOs, the SC28L92A1B,557 can handle high-speed data rates without overloading the CPU, as the FIFOs can store multiple bytes of data, thereby reducing the number of interrupts during data transfer.

Each UART channel supports the standard serial data format—1 start bit, 5 to 8 data bits, and 1 or 2 stop bits. Additionally, the device offers various parity and error checking mechanisms to ensure data integrity. The baud rate generator is programmable, providing flexibility in communication speeds, which is essential for accommodating different peripherals or network specifications.

The SC28L92A1B,557 operates at a voltage range of 4.5V to 5.5V, making it suitable for interfacing with a wide range of microcontrollers and digital systems that require a 5V power supply. It is also equipped with a sleep mode feature to conserve power, which is particularly beneficial for battery-operated devices.

This dual UART IC comes in a 44-pin PLCC (Plastic Leaded Chip Carrier) package, which provides a compact footprint while allowing for robust and reliable connections to a printed circuit board. The SC28L92A1B,557 is an ideal solution for applications that require multiple UART interfaces, such as industrial control systems, point-of-sale terminals, and complex networking systems where efficient data handling and communication are critical.

With its combination of dual-channel operation, FIFO support, and flexible configuration options, the SC28L92A1B,557 from NXP is a versatile component that enhances serial data communication capabilities in a multitude of electronic systems.