ST3237EBDR datasheet(2/15 Pages) STMICROELECTRONICS

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ST3237E

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Table 2: Pin Description

PlN N°

SYMBOL

NAME AND FUNCTION

C2+

Positive Terminal of Inverting Charge Pump Capacitor

GND

Ground

C2-

Negative Terminal of Inverting Charge Pump Capacitor

V-

-5.5V Generated by the Charge Pump

T1OUT

First Transmitter Output Voltage

T2OUT

Second Transmitter Output Voltage

T3OUT

Third Transmitter Output Voltage

R1IN

First Receiver Input Voltage

R2IN

Second Receiver Input Voltage

T4OUT

Fourth Transmitter Output Voltage

R3IN

Third Receiver Input Voltage

T5OUT

Fifth Transmitter Output Voltage

Receiver Enable, Active Low

SHDN

Shutdown Control, Active Low

VHSCI

Very High Speed Control Input. Connected to GND for normal

operation; connected to VCC for 1Mbps transmission rates.

R1OUTB

Non Inverting Complementary Receiver Output. Always Active.

T5IN

Fifth Transmitter Input Voltage

R3OUT

Third Receiver Output Voltage

T4IN

Fourth Transmitter Input Voltage

R2OUT

Second Receiver Output Voltage

R1OUT

First Receiver Output Voltage

T3IN

Third Transmitter Input Voltage

T2IN

Second Transmitter Input Voltage

T1N

First Transmitter Input Voltage

C1-

Negative Terminal of Voltage-Doubler Charge Pump Capacitor

VCC

Supply Voltage

V+

5.5V Generated by the Charge Pump

C1+

Positive Terminal of Voltage-Doubler Charge Pump Capacitor

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