STM32L4A6RG datasheet(229/282 Pages) STMICROELECTRONICS

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DS11584 Rev 8

229/282

STM32L4A6xG

Electrical characteristics

252

Figure 46. SD default mode

USB OTG full speed (FS) characteristics

The STM32L4A6xG USB interface is fully compliant with the USB specification version 2.0

and is USB-IF certified (for Full-speed device operation).

Note:

When VBUS sensing feature is enabled, PA9 should be left at its 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

when the feature is enabled.

Table 102. USB OTG DC electrical characteristics

Symbol

Parameter

Conditions

Min(1)

1. All the voltages are measured from the local ground potential.

Typ

Max(1) Unit

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

Over VCM range

0.2

VCM(3)

Differential input common mode

range

Includes VDI range

0.8

2.5

VSE(3)

Single ended receiver input

threshold

0.8

2.0

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(3)

Pull down resistor on PA11,

PA12 (USB_FS_DP/DM)

VIN = VDD

14.25

24.8

kΩ

RPU(3)

Pull Up Resistor on PA12

(USB_FS_DP)

VIN = VSS, during idle

0.9

1.25

1.575

kΩ

Pull Up Resistor on PA12

(USB_FS_DP)

VIN = VSS during

reception

1.425

2.25

3.09

kΩ

Pull Up Resistor on PA10

(OTG_FS_ID)

14.5

kΩ

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