STM32F732IE datasheet(147/226 Pages) STMICROELECTRONICS

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DS11854 Rev 6

147/226

STM32F732xx STM32F733xx

Electrical characteristics

198

All I/Os are CMOS and TTL compliant (no software configuration required). Their

characteristics cover more than the strict CMOS-technology or TTL parameters. The

coverage of these requirements for FT I/Os is shown in Figure 43.

Figure 43. FT I/O input characteristics

Output driving current

The GPIOs (general purpose input/outputs) can sink or source up to

±8 mA, and sink or

source up to

±20 mA (with a relaxed VOL/VOH) except PC13, PC14, PC15 and PI8 which

can sink or source up to

±3 mA. When using the PC13 to PC15 and PI8 GPIOs in output

mode, the speed must not exceed 2 MHz with a maximum load of 30 pF.

In the user application, the number of I/O pins which can drive current must be limited to

respect the absolute maximum rating specified in Section 6.2. In particular:

•

The sum of the currents sourced by all the I/Os on VDD, plus the maximum Run

consumption of the MCU sourced on VDD, cannot exceed the absolute maximum rating

ΣIVDD (see Table 14).

•

The sum of the currents sunk by all the I/Os on VSS plus the maximum Run

consumption of the MCU sunk on VSS cannot exceed the absolute maximum rating

ΣIVSS (see Table 14).

MS33746V2

1.92

1.065

1.22

1.7

2.0

2.4

2.7

3.3

3.6

2.0

0.55

0.8

VDD (V)

VIL/VIH (V)

Tested

production

- CMOS

requirement

VIHmin

0.7VDD

Tested in production - CMOS requirement VILmax = 0.3VDD

Based

on Design

simulations,

VILmax=

0.35VDD-0.04

TTL requirement

VIHmin = 2V

TTL requirement

VILmax = 0.8V

0.51

2.52

Area not determined

1.19

1.7

Based

Design

simulations,

VIHmin=

0.45VDD+0.3

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