STWBCTR datasheet(21/36 Pages) STMICROELECTRONICS

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STWBC

Electrical characteristics

5.3.4

I/O port pin characteristics

The I/O port pin parameters are specified under general operating conditions for VDD and TA

unless otherwise specified. Unused input pins should not be left floating.

Table 11. Voltage DC characteristics

Symbol

Description

Min.(1)

Typ.

Max.(1)

Unit

VIL

Input low voltage

-0.3

0.3 * VDD

VIH

Input high voltage(2)

0.7 * VDD

VDD

VOL1

Output low voltage at 3.3 V(3)

0.4(4)

VOL2

Output low voltage at 5 V(3)

0.5

VOL3

Output low voltage high sink at 3.3 V / 5 V(2),(5), (6)

0.6(4)

VOH1

Output high voltage at 3.3 V(3)

VDD - 0.4(4)

VOH2

Output high voltage at 5 V(3)

VDD - 0.5

VOH3

Output high voltage high sink at 3.3 V / 5 V(2), (5), (6)

VDD - 0.6(4)

HVS

Hysteresis input voltage(7)

0.1 * VDD

RPU

Pull-up resistor



1. Data based on characterization result, not tested in production.

2. All signals are not 5 V tolerant (input signals can't be exceeded VDDX (VDDX = VDD, VDDA).

3. Parameter applicable to signals: GPIO_[0:2], DRIVEOUT[0:3], PWM_AUX.

4. Electrical threshold voltage not yet characterized at -40 ºC.

5. Parameter applicable to signal: SWIM.

6. Parameter applicable to signal: DIGIN [0].

7. Applicable to any digital inputs.

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