ST STM32F446 Series

RM0390 Rev 4 1227/1328
RM0390 USB on-the-go full-speed/high-speed (OTG_FS/OTG_HS)
1264
Figure 417. Isochronous IN transactions
1. The grayed elements are not relevant in the context of this figure.
• Selecting the queue depth
Choose the periodic and non-periodic request queue depths carefully to match the
number of periodic/non-periodic endpoints accessed.
The non-periodic request queue depth affects the performance of non-periodic
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