System Peripherals and Debug Access Port
Each Ethernet MAC, USB OTG, NAND flash controller, and SD/MMC controller module has an integrated DMA controller. For modules without an integrated DMA controller, an additional DMA controller module provides up to eight channels of high-bandwidth data transfers. Peripherals that communicate off-chip are multiplexed with other peripherals at the HPS pin level. This allows you to choose which peripherals interface with other devices on your PCB.
The debug access port provides interfaces to industry standard JTAG debug probes and supports ARM CoreSight debug and core traces to facilitate software development.
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