Datasheet

Electrical characteristics STM32F446xC/E
138/202 DocID027107 Rev 6
Note:
When VBUS sensing feature is enabled, PA9 and PB13 should be left at their default state
(floating input), not as alternate function. A typical 200
µA current consumption of the
sensing block (current to voltage conversion to determine the different sessions) can be
observed on PA9 and PB13 when the feature is enabled.
Figure 43. USB OTG full speed timings: definition of data signal rise and fall time
Table 69. USB OTG full speed DC electrical characteristics
Symbol Parameter Conditions Min.
(1)
1. All the voltages are measured from the local ground potential.
Typ. Max.
(1)
Unit
Input
levels
V
DDUSB
USB OTG full speed
transceiver operating
voltage
-3.0
(2)
2. The USB OTG full speed transceiver functionality is ensured down to 2.7 V but not the full USB full speed
electrical characteristics which are degraded in the 2.7-to-3.0 V V
DD
voltage range.
-3.6V
V
DI
(3)
3. Guaranteed by design.
Differential input
sensitivity
I(USB_FS_DP/DM,
USB_HS_DP/DM)
0.2 - -
VV
CM
(3)
Differential common mode
range
Includes V
DI
range 0.8 - 2.5
V
SE
(3)
Single ended receiver
threshold
-1.3-2.0
Output
levels
V
OL
Static output level low R
L
of 1.5 kΩ to 3.6 V
(4)
4.
R
L
is the load connected on the USB OTG full speed drivers.
--0.3
V
V
OH
Static output level high R
L
of 15 kΩ to V
SS
(4)
2.8 - 3.6
R
PD
PA11, PA12, PB14, PB15
(USB_FS_DP/DM,
USB_HS_DP/DM)
V
IN
= V
DDUSB
17 21 24
kΩ
PA9, PB13
(OTG_FS_VBUS,
OTG_HS_VBUS)
0.65 1.1 2.0
R
PU
PA12, PB15
(USB_FS_DP,
USB_HS_DP)
V
IN
= V
SS
1.5 1.8 2.1
PA9, PB13
(OTG_FS_VBUS,
OTG_HS_VBUS)
V
IN
= V
SS
0.25 0.37 0.55
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