STM32F756VG datasheet(104/228 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F756xx

104/228

DocID027589 Rev 4

5.3.6

Over-drive switching characteristics

When the over-drive mode switches from enabled to disabled or disabled to enabled, the

system clock is stalled during the internal voltage set-up.

The over-drive switching characteristics are given in Table 23. They are sbject to general

operating conditions for TA.

5.3.7

Supply current characteristics

The current consumption is a function of several parameters and factors such as the

operating voltage, ambient temperature, I/O pin loading, device software configuration,

operating frequencies, I/O pin switching rate, program location in memory and executed

binary code.

The current consumption is measured as described in Figure 23: Current consumption

measurement scheme.

All the run-mode current consumption measurements given in this section are performed

with a reduced code that gives a consumption equivalent to CoreMark code.

1. Guaranteed by design.

2. The reset temporization is measured from the power-on (POR reset or wakeup from VBAT) to the instant

when first instruction is read by the user application code.

Table 23. Over-drive switching characteristics(1)

1. Guaranteed by design.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Tod_swen

Over_drive switch

enable time

HSI

µs

HSE max for 4 MHz

and min for 26 MHz

100

External HSE

50 MHz

Tod_swdis

Over_drive switch

disable time

HSI

HSE max for 4 MHz

and min for 26 MHz.

External HSE

50 MHz

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