The MCS9904CV-AA is a single-chip, multi-port PCI Express to multi-port Serial communication controller manufactured by Moschip Semiconductor. It provides a high-performance solution for adding multiple serial ports to a computer system via the PCI Express bus.
Applications:
- Industrial Automation: Used to connect various serial devices such as PLCs, sensors, and actuators to a central control system.
- Point-of-Sale (POS) Systems: Enables connection of serial peripherals like barcode scanners, receipt printers, and cash drawers.
- Data Acquisition Systems: Facilitates communication with serial instruments and data loggers.
- Serial Networking: Allows for creating serial networks for various applications.
- Embedded Systems: Provides a serial communication interface for embedded systems and single-board computers.
Features:
- PCI Express Interface: Compliant with PCI Express Base Specification, supporting high-speed data transfer.
- Multi-Port Serial Controller: Supports multiple serial ports (typically 4 or 8 ports, depending on the configuration).
- UART Compatibility: Compatible with standard UART (Universal Asynchronous Receiver/Transmitter) protocols.
- Data Transfer Rates: Supports various data transfer rates, up to several Mbps (megabits per second).
- FIFO Buffers: Equipped with FIFO (First-In, First-Out) buffers to improve data throughput and reduce CPU overhead.
Benefits:
- High Performance: Offers fast and reliable serial communication over the PCI Express bus.
- Scalability: Allows for easy addition of multiple serial ports to a system.
- Compatibility: Works with a wide range of serial devices and operating systems.
- Reduced CPU Load: FIFO buffers help to minimize CPU intervention in serial data transfer.
- Cost-Effective: Provides a cost-efficient solution for adding serial connectivity.
Additional Details:
The MCS9904CV-AA typically supports RS-232, RS-422, and RS-485 serial communication standards, depending on the specific implementation and configuration. It may also include features such as:
- Automatic Hardware and Software Flow Control
- Remote Wake-up and Power Management
- Interrupt Steering
For precise specifications and configuration options, refer to the official Moschip Semiconductor datasheet for the MCS9904CV-AA.
