Purpose of this Guide This guide contains technical and product-related information on the SST-DN4-PCU network interface card. The SST-DN4-PCU consists of a single independent DeviceNet network interface (or channel), controlled by an embedded CPU. The CPU executes downloadable application firmware modules, which enable application-level product behavior.
This bit indicates and controls whether or not the channel’s shared memory will respond to host memory accesses. This may be used to multiplex several SST-DN4-PCU cards or channels at the same base address by enabling the memory on one channel at a time.
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