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WD16C450-PL Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
WD16C450-PLWDC114Yes

WD16C450-PL** is a UART (Universal Asynchronous Receiver/Transmitter) chip manufactured by **Western Digital Corporation (WDC)**.

The WD16C450-PL is a UART (Universal Asynchronous Receiver/Transmitter) chip manufactured by Western Digital Corporation (WDC).

Specifications:

  • Type: Asynchronous Serial Communication Controller
  • Data Rate: Up to 1.5 Mbps
  • FIFO Buffers: 16-byte transmit and receive FIFOs
  • Interface: Parallel (8-bit)
  • Voltage Supply: 5V
  • Package: PLCC (Plastic Leaded Chip Carrier)
  • Operating Temperature: Commercial (0°C to +70°C)

Descriptions:

The WD16C450-PL is a second-generation UART designed for high-speed serial communication. It is compatible with the industry-standard 16450 and 16550 UARTs but includes enhanced features such as larger FIFO buffers to reduce CPU overhead.

Features:

  • 16-byte FIFOs for both transmit and receive operations
  • Programmable baud rate generator
  • Modem control signals (RTS, CTS, DTR, DSR, RI, DCD)
  • Interrupt-driven operation with prioritized interrupts
  • Loopback mode for diagnostics
  • Software-selectable data formats (5, 6, 7, or 8 bits; 1 or 2 stop bits)
  • Parity generation and detection (odd, even, none, mark, space)
  • Compatible with 16450 and 16550 UARTs

This chip was commonly used in early PCs, serial communication cards, and embedded systems requiring reliable serial data transfer.

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