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RM0319 数据表(PDF) 118 Page - STMicroelectronics |
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RM0319 数据表(HTML) 118 Page - STMicroelectronics |
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118 / 368 page ![]() USB 2.0 Device ports (UDC) RM0319 118/368 Doc ID 022640 Rev 3 11.3 Functional description Figure 33 shows the block diagram of the UDC-AHB subsystem. Figure 33. UDC-AHB subsystem block diagram within the USB 2.0 device Figure 34. UDC_Device block diagram USB 1.1 Transceiver External RAM (IN Endpoints) READ Port WRITE Port EP FIFO CNTRL 1 EP FIFO CNTRL 2 EP FIFO CNTRL N External RAM (OUT Endpoints) READ Port WRITE Port Control & Status Registers SOF Tracker Receive FIFO Controller(s) Interrupt Manage r UTU UDC USB 2.0 UTMI AHB Slave-only Interface DMA CSR Slave Access Interrupt System Memory AHB Master (ARM) USB_PLUG_DETECT UDC_AHB USB_DEVICE IRQ24 to VIC |
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