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CHAPTER 2: Introduction
2.3 Features
Listed below are the special features your Serial Interface offers.
• Each port is independently addressable.
• Eleven interrupt options, including AT interrupts, for simple integration
into existing systems.
• IRQs (2 [9], 3, 4, 5, 6, 7, 10, 11, 12, and 15) supported.
• IRQs can be shared or individually set for each port.
• Supports Interrupt Sharing—only one interrupt line required for
multiple ports.
• Supports any character set defined by binary notation.
• 16550 UARTs on the IC113C help ensure against data loss. This chip
features programmable baud rate, data format, interrupt control, and a
16-byte FIFO. The IC175C uses 16950 UARTs, which feature a 128-byte
buffer for even better performance.
• Faster baud rates—up to 115.2 Kbps (IC113C) or 460.8 kbps and above
(IC175C).
• Addressable as COM1: through COM4: or any other address up
to 3FF Hex.
• Support for non-standard baud rates available. These baud rates (such as
31.25K or 76.8K baud) are supported by installing a different oscillator at
location Y1. Call Technical Support for more information.
