MM32F103CET datasheet(60/89 Pages) MINDMOTION

60 / 89 page

DS_MM32F103xx_o_Ver1.13

Electrical characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

CIO

I/O pin capacitance

1. Schmitt Trigger switching hysteresis voltage level.Data based on design simulation

only. Not tested in production.

2. The leakage could be higher than the maximum value, if negative current is injected

on adjacent pins.

3. Pull-up and pull-down resistors are designed with a true resistance in series with a

switchable PMOS/NMOS. This PMOS/NMOS contribution to the series resistance is

minimal (10% order).

All I/Os are CMOS (no software configuration required). Their characteristics cover more

than the strict CMOS-technology.

• For VIH：

– If VDD is between [2.50V

∼ 3.08V]; use CMOS features.

– If VDD is between [3.08V

∼ 3.60V]; include CMOS.

• For VIL：

– Use CMOS features.

Output driving current

The GPIOs (general purpose input/outputs) can sink or source up to ±20mA.

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

respect the absolute maximum rating specified in 5.2：

• The sum of the currents obtained from VDD for all I/O ports, plus the maximum operating

current that the MCU obtains on VDD, cannot exceed the absolute maximum rating IVDD.

• The sum of the currents drawn by all I/O ports and flowing out of VSS, plus the maximum

operating current of the MCU flowing out on VSS, cannot exceed the absolute maximum

rating IVSS.

Output voltage levels

Unless otherwise stated, the parameters listed in the table below are measured using the

ambient temperature and VDD supply voltage in accordance with the condition Table 7. All

I/O ports are CMOS compatible.

Table 31. Output voltage characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

VOL

(

Output low level voltage for an

I/O pin,when 8 pins absorb

current

CMOS Port,IIO = +8mA

2.7V

< VDD < 3.6V

0.4

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