Datasheet

Electrical characteristics STM32F405xx, STM32F407xx
128/202 DocID022152 Rev 8
USB OTG FS characteristics
This interface is present in both the USB OTG HS and USB OTG FS controllers.
Table 57. USB OTG FS startup time
Symbol Parameter Max Unit
t
STARTUP
(1)
1. Guaranteed by design.
USB OTG FS transceiver startup time 1 µs
Table 58. USB OTG FS 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
DD
USB OTG FS operating
voltage
-3.0
(2)
2. The STM32F405xx and STM32F407xx USB OTG FS functionality is ensured down to 2.7 V but not the full
USB OTG FS 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 FS 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
DD
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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