UT232E

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 5

www.unisonic.com.tw

QW-R502-A19. a

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PIN CONFIGURATION

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PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

1

Positive terminal of the voltage doubler Charge-Pump Capacitor

2

V+

Positive voltage generated by the charge pump

3

Negative terminal of the voltage doubler Charge-Pump Capacitor

4

Positive terminal of inverting Charge-Pump Capacitor

5

Negative terminal of inverting Charge-Pump Capacitor

6

V-

Negative voltage generated by the charge pump

7

RS-232 Transmitter Outputs

8

RS-232 Receiver Inputs

9

TTL/CMOS Receiver Outputs

10

TTL/CMOS Transmitter Inputs

11

TTL/CMOS Transmitter Inputs

12

TTL/CMOS Receiver Outputs

13

RS-232 Receiver Inputs

14

RS-232 Transmitter Outputs

15

GND

Ground

16

Power Supply