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UM3382
User manual
EVKITST87M01-1
Introduction
The
EVKITST87M01-1
board is an evaluation board for the
ST87M01
module. The board is designed as an X-NUCLEO Shield
®
form factor compatible with the Arduino
connector.
In addition, 2 HOST connections to the
ST87M01
are possible: PC or associate board.
Figure 1.
ST87M01 module on EVKITST87M01-1 board
UM3382 - Rev 1 - October 2024
www.st.com
For further information contact your local STMicroelectronics sales office.
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Summary of Contents for ST EVKITST87M01-1
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Page 1: Figure 1. St87M01 Module On Evkitst87M01-1 Board
Arduino connector. In addition, 2 HOST connections to the ST87M01 are possible: PC or associate board. Figure 1. ST87M01 module on EVKITST87M01-1 board UM3382 - Rev 1 - October 2024 www.st.com For further information contact your local STMicroelectronics sales office. -
Page 2: General Information
LDO regulator Low dropout regulator Radio frequency System-on-Chip Personal computer Trace port analyzer Reference documents Table 2. Reference documents Reference Document Datasheet ST87M01 ST87MXX_UM_AT commands description EVLST87M01 databrief 1. www.st.com/ST87M01 2. ST87MXX_UM_AT 3. www.st.com/EVLST87M01 UM3382 - Rev 1 page 2/30... -
Page 3: St87M01 Product Description
UM3382 ST87M01 product description ST87M01 product description Module features See document: Table 2. Reference documents, at line nbr to find the features of the ST87M01 module. UM3382 - Rev 1 page 3/30... -
Page 4: Evkitst87M01-1 Block Diagram
UM3382 EVKITST87M01-1 block diagram EVKITST87M01-1 block diagram Figure 2. EVKITST87M01-1 block diagram Figure 3. EVKITST87M01-1 board - main functions position on board UM3382 - Rev 1 page 4/30... -
Page 5: Evlst87M01
UM3382 EVLST87M01 EVLST87M01 The EVLST87M01 is a ready-to-use evaluation kit for the ST87M01 module applications. EVLST87M01 content • EVKITST87M01-1 board • RF antenna • GNSS antenna • Micro-B USB cable EVKITST87M01-1 board GNSS antenna RF antenna USB cable UM3382 - Rev 1... -
Page 6: Arduino ® Connectors
UM3382 Arduino® connectors ® Arduino connectors ® Figure 4. EVKITST87M01-1 board - Arduino connectors UM3382 - Rev 1 page 6/30... -
Page 7: Power Supply
UM3382 Power supply Power supply Architecture Different power supply configurations are described in the next sections: • USB connector power supply ® • Arduino connector power supply • External connector power supply – variable voltages [2.2;3.0 V] • External connector power supply – power consumption measurements [2.5 V] UM3382 - Rev 1 page 7/30... -
Page 8: Default Power Supply Configuration
UM3382 Power supply Default power supply configuration 6.2.1 USB connector power supply In this configuration, a 5 VDC power supply comes from the PC. All the power supplies of the ST87M01 are 2.5 V, output of the linear voltage regulator LD39050 on the board. Figure 5. -
Page 9: Other Power Supply Configurations
® In this configuration, an associate board, Arduino connector compatible, must be plugged under the EVKITST87M01-1 board. In addition, the associated board must output a 3.3 VDC and 5.0 VDC supply on the ® ® Arduino connector, EVKITST87M01-1 - K208 pin4 and pin5 (see Section 5: Arduino connectors). -
Page 10: External Connector Power Supply Variable Voltages
UM3382 Power supply 6.3.2 External connector power supply variable voltages In this configuration, an external power supply with the range [2.2;3.0 VDC] must be used. ® Figure 7. Arduino connector power supply configuration Table 5. External connector power supply variable voltage configuration Configuration Picture J200... -
Page 11: External Connector Power Supply - Consumption Measurements
UM3382 Power supply 6.3.3 External connector power supply – consumption measurements In this configuration, the external power supply must be at 2.5 VDC. Figure 8. External connector power supply consumption measurements configuration Table 6. External connector power supply consumption measurements configuration Configuration Picture J200... -
Page 12: Hst Interface
HST (High Speed Interface) is available to output a firmware data log from the application and modem. This interface, which supports high data rate (up to 25 Mb/s), requires an external hardware TPA device (named: Dongle HST Logger) to recover the data flow for ST analysis. UM3382 - Rev 1... -
Page 13: Uart
UM3382 UART UART The ST87M01 module on the EVKITST87M01-1 board can have 2 hosts: PC or associate board. Figure 10. UART switch diagram USB to UART converter To convert USB to UART signals, the CP2105-F01-GM converter is used on the EVKITST87M01-1 board. -
Page 14: Uart0 (At)
UM3382 UART UART0 (AT) To switch the UART0 AT TX/RX signals between the ST87M01 and PC (USB connector) or associate board ® (Arduino connector), a mechanical switch is used. Figure 11. UART switch position for PC host Figure 12. UART switch position for associate board host The COM port settings for the UART0 AT communication are: Baud rate 115200... -
Page 15: Leds
BLINK = S87M01 is running normally ON = active mode LED2 VBAT_DCDC_EN OFF = sleep or low-power mode 1. See Section 1.2: Reference documents, line nbr 1, for blinking behaviors. Figure 15. LEDs identification on EVKITST87M01-1 board UM3382 - Rev 1 page 15/30... -
Page 16: Wakeup And Reset
Reset The reset function of the module is an active low input; two options are available to activate it: • A press-button. Figure 16. Reset press-button position on EVKITST87M01-1 board ® ® • From the Arduino connector, the board plugged on the Arduino connector can activate the reset with the signal on pin 2 of K207. -
Page 17: Double Antenna Mode - Gnss
In the double antenna mode, the GNSS antenna is connected on the EVKITST87M01-1 to the GNSS receiver through the K202 connector. The EVKITST87M01-1 board offers the possibility to use an active antenna by mounting the L200 inductor. Then, the power supply source can be chosen depending on the 0R resistor mounted: •... -
Page 18: Single Antenna Mode - Gnss
UM3382 Single antenna mode - GNSS Single antenna mode - GNSS The ST87M01 module has a GNSS receiver that allows to support multiple satellite constellations to address high accuracy localization applications. In single antenna mode, the antenna used for the NBIOT and GNSS receiver is the same one connected on the K204 connector. -
Page 19: Antennas
UM3382 Antennas Antennas 13.1 RF antenna The RF antenna that can be found in the EVKITST87M01-1 is: Manufacturer: MOLEX Series number: 2203550001 Figure 19. RF antenna Molex UM3382 - Rev 1 page 19/30... -
Page 20: Gnss Antenna
UM3382 Antennas 13.2 GNSS antenna Possible active GNSS antenna compatible with Figure 17: Double antenna mode - GNSS schematic configuration: Manufacturer: ABRACON Part number: APAMPG-117 Figure 20. GNSS antenna Abracon UM3382 - Rev 1 page 20/30... -
Page 21: Using Evkitst87M01-1
Using EVKITST87M01-1 Using EVKITST87M01-1 14.1 Standalone configuration In the standalone configuration, here is the list of hardware parts needed: • EVKITST87M01-1 board • • Micro-USB cable • Antenna Figure 21. EVKITST87M01-1 board standalone configuration UM3382 - Rev 1 page 21/30... -
Page 22: Power Supply
14.1.5 Drivers installation In order to connect the EVKITST87M01-1 to the PC, install virtual COM port drivers for the SiLabs CP2105 device (which converts data between the PC USB port and the ST87M01 UART0). The latest drivers are available at: https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers... -
Page 23: Associated Board Configuration
Antenna connection Connect the antenna to the K204 connector. 14.2.5 EVKITST87M01-1 connection Plug in the EVKITST87M01-1 board on the associate board connectors. 14.2.6 Verification procedure 1. Connect the power supply to the associate board. 2. Verify that the LED0 and LED1 are blinking green and LED2 is red lighting continuously. -
Page 24: Mechanical Dimensions
UM3382 Mechanical dimensions Mechanical dimensions Figure 23. Mechanical dimensions UM3382 - Rev 1 page 24/30... -
Page 25: Revision History
UM3382 Revision history Table 8. Document revision history Date Version Changes 01-Oct-2024 Initial release. UM3382 - Rev 1 page 25/30... -
Page 26: Table Of Contents
EVKITST87M01-1 block diagram ........ - Page 27 EVKITST87M01-1 connection........
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Page 28: List Of Tables
UM3382 List of tables List of tables Table 1. Acronyms and terms ..............2 Table 2. -
Page 29: List Of Figures
Reset press-button position on EVKITST87M01-1 board ........ - Page 30 ST’s terms and conditions of sale in place at the time of order acknowledgment. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of purchasers’...
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