ST STM32F446 Series User Manual

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
06Y9
+RVW$SSOLFDWLRQ $+%
ZULWH
B
W[
B
ILIR

FKB

LQLWBUH
J
FKB

ZULWHBW[B
I
L
I
R

FKB

FKB
3HULRGLF5HTXHVW
4XHXH
$VVXPHWKDWWKLVTXHXH
FDQKROGHQWULHV


036






LQLWBUHJ

FKB

ZULWHBW[B
I
L
I
R

FKB

LQLWBUHJ

FKB



(YHQ
PLFUR
IUDPH
2GG
PLFUR
IUDPH
'HYLFH86%



VHWBFKBHQ
FKB
LQLWBUHJFKB
UHDGBU[BVWV
UHDGBU[BILIR
UHDGBU[BVWV
VHWBFKBHQ
FKB
LQLWBUHJFKB


5[)/YOLQWHUUXSW
5[)/YOLQWHUUXSW
;IHU&RPSOLQWHUUXSW
;IHU&RPSOLQWHUUXSW
287
,1
,1
287
FKB
FKB
FK 

FKB
FK 

0
3
6

0
3
6

0
3
6

;IHU&RPSOLQWHUUXSW
'$7$
036
'$7$
036
'$7$
'$7$

ST STM32F446 Series Specifications

General

Brand	ST
Model	STM32F446 Series
Category	Microcontrollers
Language	English