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Figure 43-2. Example USB 2.0 On-The-Go configurations
43.1.4
USBFS Features
• USB 1.1 and 2.0 compatible FS device and FS/LS host controller with On-The-Go
protocol logic
• 16 bidirectional endpoints
• DMA or FIFO data stream interfaces
• Low-power consumption
• IRC48M with clock-recovery is supported to eliminate the 48 MHz crystal. It is used
for USB device-only implementation.
43.2
Functional description
USBOTG communicates with the processor core through status registers, control
registers, and data structures in memory.
Functional description
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
1072 NXP Semiconductors
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