Streaming memory controller
A storage controller and memory technology, applied in instruments, digital transmission systems, data exchange networks, etc., can solve the problems of unsatisfied network service guarantee and high power consumption of external DRAM
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[0035] Fig. 3 shows a block diagram of an on-chip system according to the first embodiment. Consumer C and producer P are connected to PCI-Express network PCIE. The communication between producers and consumers P, C is performed via the network PCIE, the streaming memory controller SMC to the (external) memory MEM. The (external) memory can be implemented as DRAM or SDRAM. Since the communication between producer P and consumer C is stream-based communication, a FIFO buffer is provided in the external memory MEM for this communication.
[0036] The streaming memory controller SMC according to FIG. 3 has two interfaces: one is facing the PCIExpress fabric, and the second is facing the DRAM memory MEM. The PCI Express interface of the streaming memory controller SMC must perform traffic shaping on the data recovered from the SDRAM memory MEM, so as to comply with the traffic rules of the PCI Express network PCIE. On another interface of the streaming memory controller SMC, ac...
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