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www.ti.com | Introduction |
1.4Functional Block Diagram
The USB functional block diagram is shown in Figure 1.
Figure 1. Functional Block Diagram
Internal
bus
CPPI |
| Packet |
DMA | FIFO | encode/ |
engine |
| decode |
Registers, interrupts, endpoint control,
and packet scheduling
USB 2.0 PHY
24MHz crystal
oscillator
USB
Universal Serial Bus (USB) Controller | 15 |