STM32F446VC datasheet(138/202 Pages) STMICROELECTRONICS

138 / 202 page

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

VDDUSB

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 VDD voltage range.

-3.6

VDI(3)

3. Guaranteed by design.

Differential input

sensitivity

I(USB_FS_DP/DM,

USB_HS_DP/DM)

0.2

VCM(3)

Differential common mode

range

Includes VDI range

0.8

2.5

VSE(3)

Single ended receiver

threshold

-1.3

2.0

Output

levels

VOL

Static output level low

RL of 1.5 kΩ to 3.6 V(4)

4. RL is the load connected on the USB OTG full speed drivers.

0.3

VOH

Static output level high

RL of 15 kΩ to VSS(4)

2.8

3.6

RPD

PA11, PA12, PB14, PB15

(USB_FS_DP/DM,

USB_HS_DP/DM)

VIN = VDDUSB

PA9, PB13

(OTG_FS_VBUS,

OTG_HS_VBUS)

0.65

1.1

2.0

RPU

PA12, PB15

(USB_FS_DP,

USB_HS_DP)

VIN = VSS

1.5

1.8

2.1

PA9, PB13

(OTG_FS_VBUS,

OTG_HS_VBUS)

VIN = VSS

0.25

0.37

0.55

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