STM32F730V8 datasheet(114/202 Pages) STMICROELECTRONICS

114 / 202 page

Electrical characteristics

STM32F730x8

114/202

DS12536 Rev 2

USB OTG HS and USB OTG HS PHY current consumption

The MCU is placed under the following conditions:

•

STM32 MCU is enumerated as a HID device.

•

fHCLK = 216 MHz (Scale 1 + over-drive ON), fHCLK = 168 MHz (Scale 2),

fHCLK = 144 MHz (Scale 3)

The given value is calculated by measuring the difference of current consumption in

case:

–

USB is configured but no transfer is done.

–

USB is configured and there is a transmission on going.

•

Ambient operating temperature is 25 °C, VDD = VDDUSB = 3.3 V.

6.3.8

Wakeup time from low-power modes

The wakeup times given in Table 37 are measured starting from the wakeup event trigger up

to the first instruction executed by the CPU:

•

For Stop or Sleep modes: the wakeup event is WFE.

•

WKUP (PA0) pin is used to wakeup from Standby, Stop and Sleep modes.

All timings are derived from tests performed under ambient temperature and VDD=3.3 V.

Table 36. USB OTG HS and USB OTG PHY HS current consumption

IDD (Typ)

Unit

Scale 1

Scale 2

Scale 3

USB OTG HS and USB OTG HS PHY

current consumption

50.16

44.92

38.98

Table 37. Low-power mode wakeup timings

Symbol

Parameter

Conditions

Typ(1)

Max(1)

Unit

tWUSLEEP(2)

Wakeup from Sleep

CPU

clock

cycles

tWUSTOP(2)

Wakeup from Stop mode

with MR/LP regulator in

normal mode

Main regulator is ON

14.9

µs

Main regulator is ON and Flash

memory in Deep power down mode

104.1

107.6

Low power regulator is ON

21.4

24.2

Low power regulator is ON and Flash

memory in Deep power down mode

111.5

116.5

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