Black Box Computer Hardware IC181C 用户手册

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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 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 (IC111C) or 16850 UARTs (IC181C) help ensure against
data loss.
• Faster baud rates—up to 115.2 Kbps.
• Provides COM1: through COM4: Turnkey Solution.
• Individually selectable address and interrupts (IRQs 2[9]–7 and 10, 11, 12,
and 15).
• Four DB25 male connectors provided using the octopus cable.