STM8T141 datasheet(9/50 Pages) STMICROELECTRONICS

Part #	STM8T141

Description	Single-channel capacitive sensor for touch or proximity detection with shielded sensing electrode

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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9 / 50 page

STM8T141

Pin descriptions

Doc ID 15699 Rev 7

9/50

Pin descriptions

Figure 2.

S08 pinout

Figure 3.

UFDFPN8 pinout

Table 2.

STM8T141 pin descriptions

Pin no.

PIn type(1)

I: input pin, OD: open drain, PP: output push-pull pin, S: supply pin and SNS: capacitive sensing pin.

Pin name

Pin function

SO8

UFDFPN8

VSS

Ground

2SNS

Capacitive sensing channel pin to

(2)

Use COG or NPO capacitor type.

3SNS

Capacitive sensing channel pin to RX

SHLDIN(3)

If the active shield is unused, please connect this pin to VSS.

Shield input

VREG

Internal voltage regulator output (4)

Requires a low ESR, 1µF capacitor to ground. This output must not be used to power other devices.

SHLDOUT

Shield output

VDD

Supply voltage

8PP

TOUT/POUT

Touch/proximity(5) output



(active high)

Depending on the value of bits [1:0] of OPT0.

STM8T141 Datasheet(PDF) 9 Page - STMicroelectronics

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