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AS3901 数据表(PDF) 13 Page - ams AG

部件名 AS3901
功能描述  ISM 433/315 MHz FSK/ASK Transmitter
PDF  18 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3901 数据表(HTML) 13 Page - ams AG

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ISM 433/315 MHz FSK/ASK Transmitter – Data Sheet
AS3901
Rev. 6, August 2000
Page 13 of 18
3
Pin-out Informatio n
Pin #
Pin Name
Input / Output
Description
1
STDBY
Dig. Input, 100 k
Ω pull up
Power down for all functions
2
CLK
Dig. Output
Clock output (CMOS level)
3
DATA
Dig. Input
Transmit data input (CMOS level)
4
TX/ASK
on/off ASK
Dig. Input, 100 k
Ω pull up
Power off for TX (PLL and XTAL working)
ASK modulation
5
GND
Power
Ground
6
VDD
Power
Positive supply (2.7 V-5.0 V)
7
XTAL2
Analog
XTAL pin2
8
XTAL1
Analog
XTAL pin1
9
433/315
Dig. Input
Selects division factors for constant
µC
Clock frequency and deviation
10
VDDRF
Power
Positive supply (2.7 V-5.0 V)
11
ANT2
Analog open collector output
To loop antenna
12
ANT1
Analog open collector output
To loop antenna
13
GNDRF
Power
Ground
14
NRESET
Dig. Output
Reset, „L“state resets a microcontroller



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