ST STM32F446 Series

USB on-the-go full-speed/high-speed (OTG_FS/OTG_HS) RM0390
1224/1328 RM0390 Rev 4
Figure 416. Isochronous OUT transactions
1. The grayed elements are not relevant in the context of this figure.
• Interrupt service routine for isochronous OUT/IN transactions
Code sample: isochronous OUT
Unmask (FRMOR/XFRC)
if (XFRC)
06Y9
+RVW$SSOLFDWLRQ $+%
ZULWHBW[BILIR
FKB
LQLWBUHJFKB
ZULWHBW[BILIR
FKB
F
KB
;
I
H
U
&
R
P
S
O
L
Q
W
H
U
U
X
S
W
3HULRGLF5HTXHVW
4XHXH
$VVXPHWKDWWKLVTXHXH
FDQKROGHQWULHV








LQLWBUHJFKB
ZULWHBW[BILIR
FKB
LQLWBUHJFKB
036
'
$
7
$




(YHQ
PLFUR
IUDPH
2GG
PLFUR
IUDPH
'HYLFH86%



VHW
B
F
KB
H
Q

FKB

LQLWBUH
J
FKB

UHD
G
BU[BVW
V
UHDGBU[B
I
L
IR
UHD
G
BU[BVW
V
VHWBF
K
BH
Q

FKB

LQLWBUHJ

FKB



5[)/YOLQWHUUXSW
5[)/YOLQWHUUXSW
;IHU&RPSOLQWHUUXSW
;IHU&RPSOLQWHUUXSW
287
,1
,1
287
'
$
7
$

0
3
6
'
$
7
$

'
$
7
$

0
3
6
FKB
FK 
FKB


FKB

036

036
0
3
6

