WI.M900T Radiotronix, WI.M900T Datasheet

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WI.M900T

Manufacturer Part Number
WI.M900T
Description
RF Modules & Development Tools TRANSMIT ONLY VERS. OF WI.232DTS MODULE
Manufacturer
Radiotronix
Datasheet

Specifications of WI.M900T

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
WIM900T
Wi.M900X/T Drop-In Embedded Wireless
Module
868/915 MHz, 152.34kbit/sec, 32/84 channels
1
© 2004, 2005 All Rights Reserved
www.radiotronix.com
Revision A

Related parts for WI.M900T

WI.M900T Summary of contents

Page 1

... All Rights Reserved www.radiotronix.com Wi.M900X/T Drop-In Embedded Wireless Module 868/915 MHz, 152.34kbit/sec, 32/84 channels Revision A 1 ...

Page 2

... WiM900T module is transmit only. In addition, the modules can be ordered for operation in the 868 MHz band by substituting 868 for 900. For example: WiM868X. © 2004, 2005 All Rights Reserved www.radiotronix.com Features • Instant physical radio solution – no external RF components required • ...

Page 3

... Document Control Created By Steve Montgomery Engineering Review Marketing Review Approved – Engineering Approved – Marketing Revision History Revision Author Date 1.0A SJM 3/4/2005 © 2004, 2005 All Rights Reserved www.radiotronix.com Document Control 3/4/2005 Description Document Created Revision A 3 ...

Page 4

... Mechanical Drawing.......................................................................................................... 5 Pin Descriptions ................................................................................................................ 5 Absolute Maximum Ratings .............................................................................................. 6 Detailed Electrical Specifications ...................................................................................... 6 AC Specifications – RX ................................................................................................. 6 Notes..........................................................................................................................6 AC Specifications - TX................................................................................................... 7 Notes..........................................................................................................................7 DC Specifications .......................................................................................................... 7 Notes..........................................................................................................................7 Functional Description....................................................................................................... 8 Programming Interface.................................................................................................... 10 Non-volatile memory ....................................................................................................... 13 Example circuit................................................................................................................ 14 Ordering Information ....................................................................................................... 15 Contact Information......................................................................................................... 15 © 2004, 2005 All Rights Reserved www.radiotronix.com Revision A 4 ...

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... SDA 17 SCL 18 GND 19 VCC © 2004, 2005 All Rights Reserved www.radiotronix.com Mechanical Drawing Description Clock output from XE1203 – GND on Wi.23DTS XE1203 Programming port enable XE1203 Programming port serial output XE1203 Programming port serial input XE1203 Programming port clock XE1203 Data port clock XE1203 Data input/output – ...

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... Wide band channels – US Wide band channels – EUR Narrow band channels – US Narrow band channels – EUR Receiver sensitivity Receiver noise bandwidth Adjacent Channel Rejection LO Leakage © 2004, 2005 All Rights Reserved www.radiotronix.com Max 5 VCC+.3, 5.0 MAX 10 150 +85 Min Typ ...

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... EUR Narrow band channels – US Narrow band channels – EUR Transmit Power Harmonics DC Specifications Parameter RX current TX current TX current TX current TX current Sleep Current © 2004, 2005 All Rights Reserved www.radiotronix.com Min Typ Max Units Notes 902 928 MHz 868 870 MHz +15 dBm ...

Page 8

... AC coupled if it has a DC path to ground (which is true for most PCB antennas). On the Wi.M900T the antenna pin connects directly to the output of the power amplifier. If populated, the RF switch connects the antenna port to either the transmit or receive RF chain ...

Page 9

... For the Wi.M900X/T module, set 1 is for receive mode and set 2 is for transmit mode. For the Wi.M900T module, the register sets can be used to quickly switch between two frequencies. Register set 1 is selected when SWITCH2 is low, and register set 2 is selected when SWITCH2 is high ...

Page 10

... The following code example shows functions for reading and writing module registers using a software SPI implementation. The XE_SCLK, XE_SI, XE_SO, XE_EN definitions are hardware specific and correspond to the microcontroller IO pins that are connected to the XE1203 SPI pins. © 2004, 2005 All Rights Reserved www.radiotronix.com SCLK MOSI Revision A Preliminary ...

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... XE_SCLK=1; XE_SI=0; XE_SCLK=0; XE_SI=0; // for delay only for(i=0;i<=4;i++) { XE_SCLK=1; XE_SI=(reg&0x10); XE_SCLK=0; reg<<=1; } for(i=0;i<=7;i++) { XE_SCLK=1; XE_SI=(val&0x80); XE_SCLK=0; val=val<<1; } XE_SCLK=1; XE_SI=1; XE_SCLK=0; XE_SI=1; XE_SCLK=1; XE_SI=1; XE_SCLK=0; XE_EN=1; XE_SCLK=1; © 2004, 2005 All Rights Reserved www.radiotronix.com Revision A Preliminary 11 ...

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... XE_SI=0; // for delay only // write bit XE_SCLK=1; XE_SI=1; XE_SCLK=0; XE_SI=1; // for delay only for(i=0;i<=4;i++) { XE_SCLK=1; XE_SI=(reg&0x10); XE_SCLK=0; reg<<=1; } for(i=0;i<=7;i++) { regdat=regdat<<1; XE_SCLK=1; regdat|= (byte)XE_SO; XE_SCLK=0; } XE_SCLK=1; XE_SI=1; XE_SCLK=0; XE_SI=1; © 2004, 2005 All Rights Reserved www.radiotronix.com Revision A Preliminary 12 ...

Page 13

... The channel programming word is determined by chanDTS[channel]. The calibration constant is then read in using the I2C bus stored in offset. The offset is then added to the channel programming word and sent to the Wi.M900X/T module using the programming interface. © 2004, 2005 All Rights Reserved www.radiotronix.com Revision A Preliminary 13 ...

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... Preliminary Example circuit Figure 3: Example schematic © 2004, 2005 All Rights Reserved www.radiotronix.com Revision A Preliminary 14 ...

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... Preliminary Ordering Information PRODUCT ORDER CODE Wi.M900X Wi.M900X-NS Wi.M868X Wi.M868X-NS Wi.M900T Wi.M868T Contact Information Corporate Headquarters: 207 Industrial Blvd Moore, Oklahoma 73160 405-794-7730 website: www.radiotronix.com support: support@radiotronix.com © 2004, 2005 All Rights Reserved www.radiotronix.com DESCRIPTION US transceiver version US transceiver version – no SAW European transceiver version European transceiver version – ...

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