UT3232

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 7

www.unisonic.com.tw

QW-R502-A68.c

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PIN CONFIGURATION

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PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

1

C1+

Positive Terminal of Voltage-Doubler Charge-Pump Capacitor

2

V+

+5.5V Generated by the Charge Pump

3

C1-

Negative Terminal of Voltage-Doubler Charge-Pump Capacitor

4

C2+

Positive Terminal of Inverting Charge-Pump Capacitor

5

C2-

Negative Terminal of Inverting Charge-Pump Capacitor

6

V-

-5.5V Generated by the Charge Pump

7

DOUT2

RS-232 Driver Outputs

8

RIN2

RS-232 Receiver Inputs

9

ROUT2

TTL/CMOS Receiver Outputs

10

DIN2

TTL/CMOS Driver Inputs

11

DIN1

TTL/CMOS Driver Inputs

12

ROUT1

TTL/CMOS Receiver Outputs

13

RIN1

RS-232 Receiver Inputs

14

DOUT1

RS-232 Driver Outputs

15

GND

Ground

16

+3.0V to +5.5V Supply Voltage