STLUX datasheet(101/126 Pages) STMICROELECTRONICS

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STLUX

Electrical characteristics

126

12.3.6

I/O port pin characteristics

Subject to general operating conditions for VDD and TA unless otherwise specified. Unused

input pins should not be left floating.

Table 83. Voltage DC characteristics

Symbol

Description

Min.(1)

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

Typ.

Max.(1)

Unit

VIL

Input low voltage

-0.3

0.3 * VDD

VIH

Input high voltage(2)

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

0.7 * VDD

VDD

VOL1

Output low voltage at 3.3 V(3), (4)

3. A high sink selectable by high speed configuration; the parameter applicable to signals: GPIO0 [5:0]

(product depending).

4. The parameter applicable to signals: GPIO1 [5:0]/PWM [5:0] (product depending).

0.4(5)

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

VOL2

Output low voltage at 5 V(3), (4)

0.5

VOL3

Output low voltage high sink at 3.3 V / 5 V(2),(6), (7)

6. The parameter applicable to the signal: SWIM.

7. The parameter applicable to the signal: DIGIN [0]/CCO_clk.

0.6(5)

VOH1

Output high voltage at 3.3 V(3), (4)

VDD - 0.4(5)

VOH2

Output high voltage at 5 V(3), (4)

VDD - 0.5

VOH3

Output high voltage high sink at 3.3 V / 5 V(2), (6), (7) VDD - 0.6(5)

HVS

Hysteresis input voltage(8)

8. Applicable to any digital inputs.

0.1 * VDD

RPU

Pull-up resistor

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