Rainbow-electronics AT42QT1012 Instrukcja Użytkownika Pobierz pdf (Strona 2)

9543CS–AT42–02/10

AT42QT1012

1. Pinout and Schematic

1.1 Pinout Configuration

1.2 Pin Descriptions

VDD

TIME

SNSK

VSS

OUT

SNS

QT1012

Table 1-1. Pin Listing

Pin Name Type Comments

1OUTO

Output state. To switched circuit and output polarity selection

resistor (Rop)

2 Vss P Supply ground

3 SNSK I/O Sense pin. To Cs capacitor and to sense electrode

4 SNS I/O

Sense pin. To Cs capacitor and multiplier configuration resistor

(Rm). Rm must be fitted and connected to either VSS or VDD.

5 Vdd P Power

6TIMEI

Timeout configuration pin. Must be connected to either VSS,

VDD, OUT or an RC network.

I Input only I/O Input and output

O Output only, push-pull P Ground or power

1 2 3 4 5 6

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Rainbow-electronics AT42QT1012 Instrukcja Użytkownika Strona 2