AS3902 데이터 시트보기 (PDF) - austriamicrosystems AG

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AS3902

ISM 433 MHz ASK Transmitter

austriamicrosystems AG 

ISM 433 MHz ASK Transmitter – Preliminary Data Sheet

AS3902

3 Pin-out Information

Pin # Pin Name

1 NRES/PD

2 TXD

3 XTAL

4 CLK/NWUP

5 GND

6 ANT2

7 ANT1

8 VDD

Input / Output

Dig. tri-state I/O, pull up during

active cycle

Dig. Input with pull down

Analog I/O

Dig. tri-state I/O with pull up

Power

Analog open collector output

Analog open collector output

Power

Description

µC reset output/transmitter power down

input

Transmit data input

XTAL pin

µC clock output/wake-up input (push but-

ton)

Ground

To loop antenna

To loop antenna

Positive supply

4 Application Schematic

/PD

/NWUP

AS3902

Figure 5:

Basic application schematic of the AS3902.

Rev. A7, December 2000

Page 9 of 14

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