Datasheet

Electrical characteristics STM32F412xE/G
134/193 DocID028087 Rev 4
USB OTG full speed (FS) characteristics
This interface is present in USB OTG FS controller.
t
w(CKH)
QSPI clock high
and low
-
(T
(CK)
/ 2)-1 - T
(CK)
/ 2
ns
t
w(CKL)
T
(CK)
/ 2) - (T
(CK)
/ 2)+1
t
s(IN)
Data input setup
time
-0--
t
h(IN)
Data input hold
time
-4--
t
v(OUT)
Data output valid
time
2.7 V<V
DD
<3.6 V - 8 10.5
1.71 V<V
DD
<3.6 V - 8 13
t
h(OUT)
Data output hold
time
-7.5--
1. Guaranteed by characterization results, not tested in production.
Table 68. USB OTG FS startup time
Symbol Parameter Max Unit
t
STARTUP
(1)
1. Guaranteed by design, not tested in production.
USB OTG FS transceiver startup time 1 µs
Table 69. 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)
-3.6V
V
DI
(3)
Differential input sensitivity I(USB_FS_DP/DM) 0.2 - -
V
V
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)
--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
(USB_FS_DM/DP)
V
IN
= V
DD
17 21 24
kΩ
PA9 (OTG_FS_VBUS) 0.65 1.1 2.0
R
PU
PA11, PA12
(USB_FS_DM/DP)
V
IN
= V
SS
1.5 1.8 2.1
PA9 (OTG_FS_VBUS) V
IN
= V
SS
0.25 0.37 0.55
Table 67. QSPI dynamic characteristics in DDR mode
(1)
(continued)
Symbol Parameter Conditions Min Typ Max Unit
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