STM8S103XX datasheet(39/56 Pages) STMICROELECTRONICS

Part #	STM8S103XX

Description	Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, I²C

PDF	56 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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39 / 56 page

STM8S103xx, STM8S105xx

Electrical characteristics

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7.3.1

I/O port pin characteristics

General characteristics

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

unused pins must be kept at a fixed voltage: using the output mode of the I/O for example or

an external pull-up or pull-down resistor.

Table 14.

I/O static characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Input low level

voltage

VDD = 5.0 V

-0.3 V

TBD

VIH

Input high level

voltage

0.7 x VDD

VDD + 0.3 V

Vhys

Hysteresis(2)

700

Rpu

Pull-up resistor

VDD = 5 V, VIN=VSS

tR, tF

Rise and fall time

(10% - 90%)

Fast I/Os

Load = 50 pF

20 (3)

Standard and high sink I/Os

Load = 50 pF

125 (3)

Ilkg

Input leakage

current,

analog and digital

VSS≤VIN≤VDD

±1 (3)

µA

Ilkg ana

Analog input

leakage current

VSS≤VIN≤VDD

±250 (3)

Ilkg(inj)

Leakage current in

adjacent I/O(3)

Injection current ±4 mA

±1(3)

µA

TBD = to be determined.

Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested in production.

Data based on characterization results, not tested in production.

STM8S103XX Datasheet(PDF) 39 Page - STMicroelectronics

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