Digi NS9750 - Manual (Page 626)

F e a t u r e s
6 0 2 N S 9 7 5 0 H a r d w a r e R e f e r e n c e
Features
Each channel supports these features:
DMA transfers to and from system memory
Independent programmable bit-rate generator
High speed data transfer: 1.8432 Mbps (asynchronous)
32-byte TX FIFO
32-Byte RX FIFO
Programmable data formats
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5 to 8 data bits
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Odd, even, or no parity
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1, 2 stop bits
Programmable channel modes
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Normal
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Loopback
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Remote loopback
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Control signal support: RTS, CTS, DTR, DSR, DCD, RI
Maskable interrupt conditions
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Receive FIFO ready
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Receive FIFO half full
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Transmit FIFO ready
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Transmit FIFO half empty
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CTS, DSR, DCD, RI state change detection
Multi-drop capable