STM32F107VB datasheet(70/103 Pages) STMICROELECTRONICS

70 / 103 page

Electrical characteristics

STM32F105xx, STM32F107xx

70/104

Doc ID 15274 Rev 6

USB OTG FS characteristics

The USB OTG interface is USB-IF certified (Full-Speed).

Figure 30.

USB OTG FS timings: definition of data signal rise and fall time

Table 45.

USB OTG FS startup time

Symbol

Parameter

Max

Unit

tSTARTUP

(1)

Guaranteed by design, not tested in production.

USB OTG FS transceiver startup time

µs

Table 46.

USB OTG FS DC electrical characteristics

Symbol

Parameter

Conditions

Min.(1)

All the voltages are measured from the local ground potential.

Typ. Max.(1) Unit

Input

levels

VDD

USB OTG FS operating

voltage

3.0(2)

The STM32F105xx and STM32F107xx 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 VDD voltage range.

3.6

VDI

(3)

Guaranteed by design, not tested in production.

Differential input sensitivity

I(USBDP, USBDM)

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)

RL is the load connected on the USB OTG FS drivers

0.3

VOH

Static output level high

RL of 15 kΩ to VSS

(4)

2.8

3.6

RPD

Pull-down resistance on

PA11, PA12

VIN = VDD

Pull-down resistance on

PA9

0.65

1.1

2.0

RPU

Pull-up resistance on PA12

VIN = VSS

1.5

1.8

2.1

Pull-up resistance on PA9

VIN = VSS

0.25

0.37

0.55

ai14137

Differen tial

data lines

VSS

VCRS

Crossover

points

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