STM8TL52X4 datasheet(44/84 Pages) STMICROELECTRONICS

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Electrical parameters

STM8TL52x4 STM8TL53x4

44/84

DocID022344 Rev 7

9.1.5

Pin input voltage

The input voltage measurement on a pin of the device is described in Figure 9.

Figure 9. Pin input voltage

9.2

Absolute maximum ratings

Stresses above those listed as “absolute maximum ratings” may cause permanent damage

to the device. This is a stress rating only and functional operation of the device under these

conditions is not implied. Exposure to maximum rating conditions for extended periods may

affect device reliability.

VIN

STM8TL5xx4 PIN

Table 13. Voltage characteristics

Symbol

Ratings

Min

Max

Unit

VDD- VSS

External supply voltage (including VDD and VDDIO)(1)

1. All power (VDD, VDDIO) and ground (VSS, VSSIO) pins must always be connected to the external power

supply.

0.3

4.0

VIN(2)

2. VIN maximum must always be respected. Refer to Table 14. for maximum allowed injected current values.

Receiver channel pins (PXS_Rx0a...Rx9b)

VSS0.3

PXS_VREG

(

1.45)

Input voltage on



PB0...7 and PD0...7(3)

3. Current injection on these pins is not allowed.

Pins used as General

purpose I/O

VSS0.3

4.0

Pins used as transmitter

channel pins (PXS_Tx0 to

PXS_Tx15)

VSS0.3

PXS_VREG

1.45)

Input voltage on any PA pins

VSS0.3

4.0

VESD

Electrostatic discharge

voltage

see Absolute maximum ratings (electrical sensitivity) on

page 69

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