Pin configuration

ST3241E

4/17

18

Second receiver output voltage

19

First receiver output voltage

20

Non-inverting complementary receiver output, always active for wake-up

21

Non-inverting complementary receiver output, always active for wake-up

22

SHDN

Shutdown control. Active low.

23

EN

Receiver enable. Active low

24

Negative terminal of voltage- charge pump capacitor

25

GND

Ground

26

Supply voltage

27

V+

5.5V Generated by the charge pump

28

Positive terminal of voltage- Charge pump capacitor

Table 1.

Pin description

Pin n°

Symbol

Name and function

Table 2.

Shutdown and enable control truth table

SHDN

EN

0

0

HIGH Z

ACTIVE

ACTIVE

0

1

HIGH Z

HIGH Z

ACTIVE

1

0

ACTIVE

ACTIVE

ACTIVE

1

1

ACTIVE

HIGH Z

ACTIVE