ST3237E

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Table 2: Pin Description

PlN N°

SYMBOL

NAME AND FUNCTION

1

Positive Terminal of Inverting Charge Pump Capacitor

2

GND

Ground

3

Negative Terminal of Inverting Charge Pump Capacitor

4

V-

-5.5V Generated by the Charge Pump

5

First Transmitter Output Voltage

6

Second Transmitter Output Voltage

7

Third Transmitter Output Voltage

8

First Receiver Input Voltage

9

Second Receiver Input Voltage

10

Fourth Transmitter Output Voltage

11

Third Receiver Input Voltage

12

Fifth Transmitter Output Voltage

13

EN

Receiver Enable, Active Low

14

SHDN

Shutdown Control, Active Low

15

VHSCI

Very High Speed Control Input. Connected to GND for normal

operation; connected to VCC for 1Mbps transmission rates.

16

Non Inverting Complementary Receiver Output. Always Active.

17

Fifth Transmitter Input Voltage

18

Third Receiver Output Voltage

19

Fourth Transmitter Input Voltage

20

Second Receiver Output Voltage

21

First Receiver Output Voltage

22

Third Transmitter Input Voltage

23

Second Transmitter Input Voltage

24

First Transmitter Input Voltage

25

Negative Terminal of Voltage-Doubler Charge Pump Capacitor

26

Supply Voltage

27

V+

5.5V Generated by the Charge Pump

28

Positive Terminal of Voltage-Doubler Charge Pump Capacitor