參數(shù)資料
型號: AS3902
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 通信及網(wǎng)絡
英文描述: ISM 433 MHz ASK Transmitter
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO8
封裝: MSOP-8
文件頁數(shù): 9/14頁
文件大?。?/td> 348K
代理商: AS3902
ISM 433 MHz ASK Transmitter – Preliminary Data Sheet
AS3902
Rev. A7, December 2000
Page 9 of 14
3
Pin-out Information
Pin #
Pin Name
Input / Output
Description
1
NRES/PD
Dig. tri-state I/O, pull up during
active cycle
μ
C reset output/transmitter power down
input
2
TXD
Dig. Input with pull down
Transmit data input
3
XTAL
Analog I/O
XTAL pin
4
CLK/NWUP
Dig. tri-state I/O with pull up
μ
C clock output/wake-up input (push but-
ton)
5
GND
Power
Ground
6
ANT2
Analog open collector output
To loop antenna
7
ANT1
Analog open collector output
To loop antenna
8
VDD
Power
Positive supply
4
Application Schematic
/
NWUP
/
PD
Figure 5:
Basic application schematic of the AS3902.
AS3902
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