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ST CONFIDENTIAL
SPLML-868 and SP1ML-915
SPIRIT1 868 and 915 MHz Low Power RF Modules
PRELIMINARY DATASHEET
Features
Complete RF ready Spirit1 module
Integrated antenna and crystal
STM32L microcontroller up to 32 MHz
Low power consumption
UART interface with AT command set
Operates from a single 1.8V to 3.6V supply
863 to 870 MHz operation (SP1ML-868)
902 to 928 MHz operation (SP1ML-915)
Output power up to +11.6dBm
Data rates up to 500kbps
Modulation schemes: 2-FSK, GFSK, GMSK,
OOK, and ASK
Compact size: 14mm x 13.4mm x 2.5mm
Operating temperature: -40 °C to 85 °C
FCC and CE regulatory approvals
Applications
Serial cable replacement
Home automation
M2M industrial control
Service diagnostic
Data acquisition equipment
Machine control
Sensor monitoring
Security systems
Mobile health and medical
February 2014
Doc ID TBD Rev 0.8
1/19
R
www.st.com
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Related Manuals for ST SPLML-868
Summary of Contents for ST SPLML-868
- Page 1 ST CONFIDENTIAL SPLML-868 and SP1ML-915 SPIRIT1 868 and 915 MHz Low Power RF Modules PRELIMINARY DATASHEET Features Complete RF ready Spirit1 module Integrated antenna and crystal STM32L microcontroller up to 32 MHz Low power consumption UART interface with AT command set ...
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Page 2: Table Of Contents
Mechanical data ................. 14 RoHS compliance ....................14 Regulatory compliance ..............15 FCC certification ..................... 15 CE certification ......................15 Labeling instructions ....................16 Product manual instructions ..................16 Ordering Information ................. 18 2/19 Doc ID TBD Rev 0.8 www.st.com... - Page 3 Figure 2. Hardware block diagram ...................... 8 Figure 3. Typical application circuit ....................10 Figure 4. Layout guidelines ....................... 11 Figure 5. Recommended footprint ..................... 12 Figure 6. Soldering profile ......................... 13 Figure 7. Mechanical data ......................... 14 Doc ID TBD Rev 0.8 3/19 www.st.com...
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Page 4: Description
Select STM32L GPIO and peripherals are available for interfacing to external devices in the user application, and advanced features of the SPIRIT1 radio are also accessible. 4/19 Doc ID TBD Rev 0.8 www.st.com... -
Page 5: Hardware Specification
I/O operating characteristics Symbol Parameter Min. Typ. Max. Unit I/O input low level voltage -0.3 0.3 V I/O input high level voltage 0.7 V +0.3 For more details see the STM32L151RB datasheet, I/O port characteristics. Doc ID TBD Rev 0.8 5/19 www.st.com... -
Page 6: Current Consumption
EN 300 220-2 V2.4.1 EN 301 489-01 V1.9.2 Output power +8.5 EN 301 489-03 V1.4.1 FCC standards are only applicable to the SP1ML-915 module. EN standards are only applicable to the SP1ML-868 module. 6/19 Doc ID TBD Rev 0.8 www.st.com... -
Page 7: Pin Assignment
Refer to Hardware design section for details of protocol mode selection. Doc ID TBD Rev 0.8 7/19 www.st.com... -
Page 8: Pin Placement
Pin placement Figure 1. Pin placement Hardware block diagram Figure 2. Hardware block diagram XTAL 1.8V to 3.6V Supply UART SMPS STM32L Spirit1 Filter/Balun Microcontroller GPIO GPIO 8/19 Doc ID TBD Rev 0.8 www.st.com... -
Page 9: Hardware Design
Connect to the host system UART TXD output. Connect to the host system UART CTS output if flow control is required. Connect to the host system UART RTS input if flow control is required. Doc ID TBD Rev 0.8 9/19 www.st.com... -
Page 10: Typical Application Circuit
4. The BOOTMODE AND RESET signals should be connected if module firmware will need to be updated over the UART interface. 5. To support custom module firmware, the serial wire debug signals need to be accessible for programming and debugging. 10/19 Doc ID TBD Rev 0.8 www.st.com... -
Page 11: Layout Guidelines
Figure 4. Layout guidelines No copper on any layer surrounding antenna, except minimal traces from pins 1,2,3,4,13,14,15 and 16 6 mm 6 mm min . min . Flooded ground plane required (signal traces allowed) Application PCB Doc ID TBD Rev 0.8 11/19 www.st.com... -
Page 12: Recommended Footprint
Recommended footprint Figure 5. Recommended footprint 15.5 mm 1.5 mm 1 mm 0.75 mm 1.5 mm 12/19 Doc ID TBD Rev 0.8 www.st.com... -
Page 13: Module Reflow Installation
Peak temperature (T 240 °C Time within 5 °C of actual peak temperature (T 10-20 sec Ramp-down rate 6 °C/sec Time from 25 °C to peak temperature 8 minutes max. Figure 6. Soldering profile Doc ID TBD Rev 0.8 13/19 www.st.com... -
Page 14: Mechanical Data
Mechanical data Figure 7. Mechanical data 14 mm 1.45 mm 1.5 mm 1 mm 0.6 mm R 0.6 mm 2.5mm (max.) RoHS compliance ST modules are RoHS compliant and comply with ECOPACK® norms. 14/19 Doc ID TBD Rev 0.8 www.st.com... -
Page 15: Regulatory Compliance
CE certification The module has been certified according to the following standards: EN 300 220-2 V2.4.1 EN 301 489-01 V1.9.2 EN 301 489-03 V1.4.1 Doc ID TBD Rev 0.8 15/19 www.st.com... -
Page 16: Labeling Instructions
Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. 16/19 Doc ID TBD Rev 0.8 www.st.com... - Page 17 Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his expense. Doc ID TBD Rev 0.8 17/19 www.st.com...
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Page 18: Ordering Information
6 Ordering Information Table 9. Ordering information Order code Description SP1ML-868 868 MHz Spirit 1 antenna module (Region 1, Europe) SP1ML-915 915 MHz Spirit 1 antenna module (Region 2, The Americas) 18/19 Doc ID TBD Rev 0.8 www.st.com... - Page 19 No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.
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