Fujitsu MB91319 Series Hardware Manual page 402

CHAPTER 17 USB FUNCTION
■ Block Diagram
Figure 17.1-1 shows the block diagram of the USB function.
Figure 17.1-1 Block Diagram of the USB Function
USB (D+,D-)
Protocol engine
Internal bus (8 bits)
Internal bus interface
Control and
FIFOs for
status registers
ENDPOINT
CPU/DMA interface
CPU (16-bit)/DMA (16-bit) bus
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