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ST SP1ML-915, Предварительный информационный лист, Страница: 10 / 19

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10/19 

Doc ID TBD Rev 0.8 

Rev 0.1 

 

www.st.com

 

 

3.2 

Typical application circuit 

In a typical application the SP1ML module is connected to a host MCU using a standard 
UART, with transmit and receive signals.  This is illustrated in the following diagram.   

Figure 3.  Typical application circuit 

SP1ML

MODULE

HOST

MCU

TXD

TXD

RXD

RXD

RTS

RTS

CTS

CTS

GPIO

GPIO

BOOTMODE

RESET

GPIO

GPIO

MODE0

WKUP

TXRXLED

1

2

3

4

VDD

RESET

SWCLK

SWDIO

5

SWD 

HEADER

VDD

VDD

VDD

GND

10uF

 

 

Optional Functionality 

1.  The TXRXLED signal is an active-low open drain output that can be used to drive an 

external LED for status indication when data is sent or received. 

2.  The RTS and CTS signals can be connected to the host UART interface if hardware 

flow control is required.  

3.  The MODE0 signal provides a hardware method for switching between command and 

operating modes.  The WKUP signal allows the module to be placed into a low power 
shutdown mode and woken up again. 

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.  

 

Содержание SP1ML-915

Страница 1: ...d 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 Ser...

Страница 2: ...its 6 2 6 Pin assignment 7 2 7 Pin placement 8 2 8 Hardware block diagram 8 3 Hardware design 9 3 1 Pin usage 9 3 2 Typical application circuit 10 3 3 Layout guidelines 11 3 4 Recommended footprint 12 3 5 Module reflow installation 13 4 Mechanical data 14 4 1 RoHS compliance 14 5 Regulatory compliance 15 5 1 FCC certification 15 5 2 CE certification 15 5 3 Labeling instructions 16 5 4 Product manu...

Страница 3: ...umption 6 Table 5 RF compliance limits 6 Table 6 Pin assignment 7 Table 7 Module pin usage 9 Table 8 Soldering profile 13 Table 12 Ordering information 18 List of figures Figure 1 Pin placement 8 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 ...

Страница 4: ...et The UART host interface allows simple connection to an external microcontroller Access to module features is provided through an extended AT command set A simple cable replacement model allows the module to be used similarly to a standard serial interface The microcontroller serial wire debug signals are available and allow the standard firmware to be replaced by a user application enabling use...

Страница 5: ... 870 MHz FREQ RF frequency SP1ML 915 902 928 MHz 2 2 Absolute maximum ratings Table 2 Absolute maximum ratings Symbol Parameter Min Typ Max Unit TSTG Storage temperature range 40 85 C VDD Operating supply voltage 0 3 3 9 V VIO I O pin voltage 0 3 5 5 V 2 3 I O operating characteristics Table 3 I O operating characteristics Symbol Parameter Min Typ Max Unit VIL 1 I O input low level voltage 0 3 0 3...

Страница 6: ...tested for FCC and CE certification These limits are enforced by the factory loaded firmware Table 5 RF compliance limits Modulation Standards Parameter Max Unit 2 FSK GFSK MSK FCC Part 15 207 1 FCC Part 15 247 1 EN 300 220 2 V2 4 1 2 EN 301 489 01 V1 9 2 2 EN 301 489 03 V1 4 1 2 Data rate 500 kbps Output power 11 6 dBm OOK ASK FCC Part 15 207 1 FCC Part 15 249 1 EN 300 220 2 V2 4 1 2 EN 301 489 0...

Страница 7: ...input voltage 8 GND Power Ground 9 SWDIO I O Serial wire I O PA13 10 SWCLK I Serial wire clock PA14 11 BOOTMODE I Boot mode selection BOOT0 12 RESET I Reset input active low NRST 13 TXD O UART transmit data PA9 14 RXD I UART receive data PA10 15 RTS O UART request to send PB6 16 CTS I UART clear to send PB7 1 For more details see the STM32L151RB datasheet Pin descriptions section Alternate functio...

Страница 8: ...7 Pin placement Figure 1 Pin placement 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 2 8 Hardware block diagram Figure 2 Hardware block diagram Spirit1 Filter Balun STM32L Microcontroller SPI GPIO UART XTAL 1 8V to 3 6V Supply GPIO TX RXp RXn SMPS ...

Страница 9: ...ow to force the module into operating mode Drive this signal high to force the module into command mode This enables faster switching between modes and obviates the need for escape sequences Yes 6 MODE1 Reserved for future use do not connect Yes 7 VDD Connect to power supply 1 8V to 3 6V No 8 GND Connect to system ground No 9 SWDIO These signals are the serial wire debug SWD interface to the STM32...

Страница 10: ...XRXLED signal is an active low open drain output that can be used to drive an external LED for status indication when data is sent or received 2 The RTS and CTS signals can be connected to the host UART interface if hardware flow control is required 3 The MODE0 signal provides a hardware method for switching between command and operating modes The WKUP signal allows the module to be placed into a ...

Страница 11: ...n of minimal width traces from pins 1 2 3 4 13 14 15 and 16 of the module if these are used It is appropriate to place the module toward the edge of the PCB with no traces or ground planes from the antenna to the board edge Figure 4 Layout guidelines Application PCB No copper on any layer surrounding antenna except minimal traces from pins 1 2 3 4 13 14 15 and 16 Flooded ground plane required sign...

Страница 12: ...12 19 Doc ID TBD Rev 0 8 R www st com 3 4 Recommended footprint Figure 5 Recommended footprint 10 5 mm 15 5 mm 1 5 mm 1 mm 0 75 mm 1 5 mm ...

Страница 13: ...s Table 8 Soldering profile Profile feature Lead free assembly Average ramp up rate TSMAX to TP 3 C sec max Preheat Temperature min TS min Temperature max TS max Time ts min to ts max ts 150 C 200 C 60 100 sec Time maintained above Temperature TL Temperature TL 217 C 60 70 sec Peak temperature TP 240 C Time within 5 C of actual peak temperature TP 10 20 sec Ramp down rate 6 C sec Time from 25 C to...

Страница 14: ... ID TBD Rev 0 8 R www st com 4 Mechanical data Figure 7 Mechanical data 13 4 mm 14 mm 1 45 mm 1 5 mm 1 mm 0 6 mm R 0 6 mm 2 5mm max 4 1 RoHS compliance ST modules are RoHS compliant and comply with ECOPACK norms ...

Страница 15: ...ice must accept any interference received including interference that may cause undesired operation Modifications or changes to this equipment not expressly approved by STMicroelectronics may render void the user s authority to operate this equipment Modular approval FCC ID S9NSP1ML In accordance with FCC part 15 the SP1ML 915 is listed as a modular transmitter device This module is evaluated for ...

Страница 16: ... or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment In the case where an OEM seeks Class B residential limits for the final product the following statement must be included in the final product manual NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to ...

Страница 17: ...f the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a resident...

Страница 18: ... Rev 0 8 R www st com 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 ...

Страница 19: ...D WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY TWO AUTHORIZED ST REPRESENTATIVES ST PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPL...

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