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| Standard Type |
Serial Communication Module; Serial Highway Driver |
| Technology |
PCI |
| PCI Data Bus |
32Bit |
| Notes |
3 MB/s throughput, 32k x 32 RAM, includes multi-buffer functionality |
| Abstract |
The 2115 uses host memory to implement
multi-buffer functionality. The multi-buffer activity includes DMA data chaining and setting of buffer segment flags which, in turn, may generate
PCI interrupts. This function allows the host computer to read a memory buffer previously filled by the 2115 while another segment of the
buffer is filled. A 2048-word FIFO is provided on the 2115 for storing asynchronous demand messages received from the highway. These messages are
generated by Serial Crate Controllers (SCC) in response to a LAM (Look-At-Me) in a chassis. In addition...
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