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Bravo HW User Guide

1VV0301646 Rev. 1

Page

19

of

47

2020-03-23

Native USB Connector

Figure 8 - Native USB

Pin

Signal

I/O

Function

Type

Comment

POWER SUPPLY

J3,1

5V

I

J3,5

GND

-

USB HS 2.0 COMMUNICATION PORT (FW upgrade and Data)

J3,2

USB_D-

I/O

USB differential Data (-)

J3,3

USB_D+

I/O

USB differential Data (+)

J3,4

USB OTG ID

I

RESERVED

NC

The J3 USB plug is connected to the ME910 native USB port. The Bravo board is
protected by resettable fuse and ESD discharge.

The USB 5V signal is by default disconnected from the A13/VUSB port but can be forced
by closing the J5 jumper: if this jumper is open, VUSB signal connection is driven by
VUSB_910_ON signal.

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Содержание Bravo EVK

Страница 1: ... 01 2017 Mod 0805 2017 01 Rev 6 Bravo EVK HW User Guide 1VV0301646 Rev 1 2020 03 23 ...

Страница 2: ... copyrighted material including the exclusive right to copy reproduce in any form distribute and make derivative works of the copyrighted material Accordingly any copyrighted material of Telit and its licensors contained herein or in the Telit products described in this instruction manual may not be copied reproduced distributed merged or modified in any manner without the express written permissi...

Страница 3: ...es IV Trademarks TELIT and the Stylized T Logo are registered in Trademark Office All other product or service names are the property of their respective owners V Third Party Rights The software may include Third Party Right software In this case you agree to comply with all terms and conditions imposed on you in respect of such separate software In addition to Third Party Terms the disclaimer of ...

Страница 4: ...Bravo HW User Guide 1VV0301646 Rev 1 Page 4 of 47 2020 03 23 APPLICABILITY TABLE PRODUCTS BRAVO EVALUATION KIT ...

Страница 5: ...terials 3 IV Trademarks 3 V Third Party Rights 3 APPLICABILITY TABLE 4 CONTENTS 5 1 INTRODUCTION 7 Scope 7 Audience 7 Contact Information Support 7 Text Conventions 8 Related Documents 9 2 OVERVIEW 10 NOTICE 14 3 CONNECTORS 15 Arduino Pin out 15 Raspberry PI Pin Out 17 Native USB Connector 19 SPI Connector 21 GPIO Connectors 23 SIM Connectors 25 4 CIRCUIT BLOCKS 26 Antennas 26 UART FTDI USB 27 Sen...

Страница 6: ...ower Supply 33 Battery Charger 34 3V3 Power Supply 36 ME910 Power Supply 37 RTC Battery 38 1V8 Power Supply 39 Wake Switch 40 Shutdown Switch 40 Watchdog 41 5 MECHANICAL DESIGN 42 Drawing 42 6 SAFETY RECOMMENDATIONS 43 READ CAREFULLY 43 7 ACRONYMS 44 8 DOCUMENT HISTORY 46 ...

Страница 7: ...eral contact technical support services technical questions and report documentation errors contact Telit Technical Support at TS EMEA telit com TS AMERICAS telit com TS APAC telit com TS SRD telit com Alternatively use http www telit com support For detailed information about where you can buy the Telit modules or for recommendations on accessories and components visit http www telit com Our aim ...

Страница 8: ...ure or bodily injury may occur Caution or Warning Alerts the user to important points about integrating the module if these points are not followed the module and end user equipment may fail or malfunction Tip or Information Provides advice and suggestions that may be useful when integrating the module All dates are in ISO 8601 format i e YYYY MM DD ...

Страница 9: ...Bravo HW User Guide 1VV0301646 Rev 1 Page 9 of 47 2020 03 23 Related Documents ME910C1 HW User Guide 1VV0301351 xE910 Global Form Factor Application Note 80000NT10060A ...

Страница 10: ...LIPO battery All GPIO levels are set to 1 8 V Moreover the board is fitted with the following sensors from Bosch Sensortec BHI160B low power smart hub with integrated three axis gyroscope three axis accelerometer plus a programmable microcontroller BMM150 low power and low noise three axis digital geomagnetic sensor BME680 integrated environmental sensor Together the above sensors provide Accelero...

Страница 11: ...Bravo HW User Guide 1VV0301646 Rev 1 Page 11 of 47 2020 03 23 Arduino and Raspberry PI boards cannot be connected at the same time Figure 1 Bravo EVK Board Figure 2 Bravo EVK Board Top View ...

Страница 12: ...Bravo HW User Guide 1VV0301646 Rev 1 Page 12 of 47 2020 03 23 Figure 3 Bravo EVK Board with Arduino format board Figure 4 Bravo EVK Board with Raspberry PI format board ...

Страница 13: ...Bravo HW User Guide 1VV0301646 Rev 1 Page 13 of 47 2020 03 23 Figure 5 Bravo EVK Board with Raspberry PI Zero format board ...

Страница 14: ...ined herein The information presented in this document is believed to be accurate and reliable However no responsibility is assumed by Telit Communications S p A for its use nor any infringement of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent rights of Telit Communications S p A other than for circuitry em...

Страница 15: ...Signal I O Function Type Comment POWER SUPPLY J10 2 IOREF I I O Level J10 5 5V I External Power J10 6 GND J10 7 GND J10 8 VIN O Power from BRAVO board J12 7 GND GPIO INTERFACE J10 7 ARD_VUSB_910_ON I USB Power on switch J13 8 ARD_910_SHDN I ME910 SHDN Pin J13 7 ARD_910_ON_OFF I ME910 ON_OFF Pin Asynchronous Serial Port ...

Страница 16: ...ns operate at 5V On the Arduino boards based on ATSAMD21 32 bits ARM cpu the IOREF level is 3 3V and all the I O pins work at 3 3V To enable serial communication configure J6 and J7 jumpers as described in the chapter UART FTDI USB The ARD_VUSB_910_ON enables disables power from native USB Connector to VUSB pin on ME910 module For more details please refer to the Native USB Connector chapter Ardui...

Страница 17: ...3_RPI I Power M2 2 5V_RPI I Power M2 4 5V_RPI I Power M2 6 GND Power M2 11 GND Power M2 14 GND Power M2 20 GND Power M2 25 GND Power M2 30 GND Power M2 34 GND Power M2 39 GND GPIO INTERFACE M2 37 RPI_VUSB_910_ON I USB Power on switch 3V3 M2 38 RPI_910_SHDN I ME910 SHDN Pin 3V3 M2 40 RPI_910_ON_OFF I ME910 ON_OFF Pin 3V3 Asynchronous Serial Port M2 11 RPI_RTS I Input for Request to send 3V3 ...

Страница 18: ...but not viceversa All GPIOs are set to 3 3 V level the 3V3_RPI signal goes to the VCCB on level translator and sets the interface B voltage level To enable serial communication please configure the J6 J7 Selector as described in the UART FTDI USB The RPI_VUSB_910_ON enables disables power from native USB Connector to VUSB pin on ME910 module For more details please refer to the Native USB Connecto...

Страница 19: ...ata J3 2 USB_D I O USB differential Data J3 3 USB_D I O USB differential Data J3 4 USB OTG ID I RESERVED NC The J3 USB plug is connected to the ME910 native USB port The Bravo board is protected by resettable fuse and ESD discharge The USB 5V signal is by default disconnected from the A13 VUSB port but can be forced by closing the J5 jumper if this jumper is open VUSB signal connection is driven b...

Страница 20: ...d to an output pin of Arduino RaspberryPI For more details please refer to the Arduino Pin out or Raspberry PI Pin Out chapters Jumper Position Function Comment J5 Jumper Open VUSB_910 driven by VUSB_910_ON signal Close Force VUSB_910 connected to A13 VUSB Signal Level Function Comment VUSB_910_ON High VUSB_910 connected to A13 VUSB Low VUSB_910 not connected to A13 VUSB ...

Страница 21: ...ort is powered by 3V3 or VAUX_1V8 by shortening the 8 7 or 7 6 pin of J16 Outputs Switch to 3 State if either VCC is at GND or OE is high Shorted Pins Function Comment Translator Enable J15 1 2 Level Translator to 3 State 6 7 Level Translator normal operation Shorted Pins Function Comment B Port Level Selection J16 7 8 3V3 on SPI_POWER 6 7 VAUX_1V8 on SPI_POWER Pin Signal I O Function Type Comment...

Страница 22: ...r Guide 1VV0301646 Rev 1 Page 22 of 47 2020 03 23 J16 6 VAUX_1V8 J16 1 GND GPIO J16 5 SPI_MOSI O Master Output Slave Input J16 4 SPI_MISO I Master Input Slave Output J16 3 SPI_CLK O Clock J16 2 SPI_CS O Chip Select ...

Страница 23: ...vailable externally thorough J21 and J22 connectors as listed in the table below Pin Signal I O Function Type Comment POWER SUPPLY J21 1 VAUX_1V8 O J22 1 VAUX_1V8 O J21 5 GND J22 7 GND GPIO J21 2 ADC_IN AI ADC Input J21 3 ADC_IN2 I J21 4 ADC_IN3 I J22 2 DVI_WA0 J22 3 DVI_RX J22 4 DVI_TX J22 5 DVI_CLK J22 6 REF_CLK RESERVED ...

Страница 24: ...s and LEDs chapters Pin Signal I O Function Type Comment POWER SUPPLY J14 2 VAUX_1V8 O J14 13 GND GPIO J14 3 GPIO_01 C8 I O Yellow LED LD1 J14 4 GPIO_02 C9 I O I2C SDA J14 5 GPIO_03 C10 I O I2C SCK J14 6 GPIO_04 C11 I O WDT_EN J14 7 GPIO_05 B14 I O WDT_RFSH J14 8 GPIO_06 C12 I O BHI160B INT J14 9 GPIO_07 C13 I O PB3 J14 10 GPIO_08 K15 I O PB4 J14 11 GPIO_09 L15 I O Yellow LED LD2 J14 12 GPIO_10 G1...

Страница 25: ...o HW User Guide 1VV0301646 Rev 1 Page 25 of 47 2020 03 23 SIM Connectors Figure 12 SIM Sockets The board can be fitted either with an eSIM in MFF2 format or a micro SIM socket both inputs are ESD protected ...

Страница 26: ... can be connected either to the PCB antenna or the SMA connector J4 which is disabled by default In order to enable J4 and connect an external cellular antenna remove R14 resistor and solder a 0 ohm resistor on R15 pads this will disable the onboard cellular antenna The GNSS antenna signal is connected to the J1 SMA connector ...

Страница 27: ...n UART is available for use with FTDI Serial to USB converter on port J9 Arduino UART Raspberry PI UART Generic UART with full hardware handshake Only one interface can be selected at a time using J6 J7 dip switches as described in the table below Figure 15 DIP Switch settings Pin Signal I O Function Type Comment ...

Страница 28: ...Y J8 1 UART_PWR I Power to Level Transaltor J8 2 VAUX_1V8 O J8 3 3V3 O J8 13 GND UART Signals J8 5 UART_TXD I Serial data input from DTE J8 6 UART_RXD O Serial data output to DTE J8 7 UART_RTS I Input for Request to send signal RTS from DTE J8 8 UART_CTS O Output for Clear to Send signal CTS to DTE J8 9 UART_DTR I Input for DTR from DTE J8 10 UART_DCD O Output for DCD to DTE J8 12 UART_DSR O Outpu...

Страница 29: ...ard when the Arduino is not connected the level translator is in 3 state Full UART level can be selected shorting pins 1 2 or 1 3 in J8 Each level translator is powered only if both power supplies are present 3 state otherwise Each translator is in 3 state if OE signal is high Shorted Pins SW1 SW2 Function Comment Device Selection J6 J7 A2 3 B2 3 OFF OFF Enables UART level translator A1 2 B2 3 Ena...

Страница 30: ...can send information Raised by DCE in response to RTS from DTE RI Control DCE to DTE Set when incoming ring detected used for auto answer application DTE raises DTR to answer only used in connection with modem Sensors Figure 16 Bosch Sensors The Bravo board includes the following Bosch Sensortec sensors BHI160B low power smart hub with an integrated three axis gyroscope plus an integrated three ax...

Страница 31: ...uide 1VV0301646 Rev 1 Page 31 of 47 2020 03 23 Pin GPIO Signal Type Direction Function I2C Signals C10 03 SCK Clock O I2C clock signal from ME910 C9 02 SDA Data I O I2C Data C12 06 INT Control I Interrupt from BHI160B ...

Страница 32: ...hbuttons PB3 and PB4 and three LEDs LD1 LD2 and LD3 The leds are ON when the MCU pin is high These signals are available at GPIO connector J14 please refer to chapter GPIO Connectors for further details Pin GPIO Direction Function C13 07 I User Pushbutton K15 08 I User Pushbutton C8 01 O User Yellow LED L15 09 O User YellowLED G15 10 O User Yellow LED ...

Страница 33: ...al Power Connector J24 External Power Connector must be connected to a 5V DC power supply The connection is protected against polarity inversion J24 is a center positive coaxial connector with 2 0 mm diameter center pin see picture below Figure 19 J24 Power Connector The Raspberry PI board can power the Bravo board as long as an adequate power supply is connected to the Raspberry If the Bravo boar...

Страница 34: ...he USB ports When an external power source is present and the battery is connected the battery is charging The VCC_910 voltage is supplied by the 3 8V LDO When the external power source on J24 is disconnected the Bravo board is battery powered In this case VCC_910 is supplied directly by the battery by passing the LDO While charging the battery the amber led is turned on Powering the board through...

Страница 35: ...2V with a current that is usually half the nominal capacity C 2 This board has a dedicated IC that has a preset charging current of 350mAh this means that the MINIMUM capacity of the Li Po battery shall be 700 mAh It is strongly recommended that a Li Po battery of at least 700mAh capacity is selected Smaller cells will be damaged by this current and may overheat release gasses catch fire and explo...

Страница 36: ... HW User Guide 1VV0301646 Rev 1 Page 36 of 47 2020 03 23 3V3 Power Supply Figure 22 3V3 Power Supply The Bravo board also provides a 3 3 V power source to power LEDs and Level Translator for UART connection ...

Страница 37: ...Power is delivered from VCC_910 to the ME910 module using the above pictured circuit R66 R67 and R68 resistors can be removed and connectors J18 J19 and J20 can be used to measure current consumption Connector Function Comment Current Sense J18 Total current to ME910 module J19 Current on VBATT_PA J20 Current on VBATT ...

Страница 38: ...03 23 RTC Battery Figure 24 RTC battery power supply The VRTC pin available on some ME910 variants can be connected to a coin battery by means of a LDO power supply This circuit is actually not mounted on the Bravo board but is described here for future use ...

Страница 39: ...er Supply Figure 25 ME910C1 internal power supply The ME910C1 module is powered at 3 8 V but all I O operate at 1 8 V the VAUX PWRMON provides the 1 8 V level to be used by level translators and onboard Bosch sensors For additional details please refer to Sensors chapter ...

Страница 40: ...connected boards respectively For additional details please refer to chapter Arduino Pin outArduino Pin out or Raspberry PI Pin Out Shutdown Switch Figure 277 SHUTDOWN Switch Circuit The HW_SHUTDOWN pin can be controlled by the PB4 bush button or by the 910_SHDN signal that is connected to ARD_910_SHDN or RPI_910_SHDN signal coming from Arduino or Raspberry PI connected boards respectively For add...

Страница 41: ...46 Rev 1 Page 41 of 47 2020 03 23 Watchdog Figure 288 Watchdog Circuit The HW_SHUTDOWN and ON_OFF WAKE pins can be controlled the U11A STM8L microcontroller to enable whatchdog functionality The WDT chip is not mounted by default ...

Страница 42: ...Bravo HW User Guide 1VV0301646 Rev 1 Page 42 of 47 2020 03 23 5 MECHANICAL DESIGN Drawing ...

Страница 43: ...efully the instruction for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator is responsible for the functioning of the final product therefore care has to be taken to the external components of the module as well as any project or installation issue because the risk of disturbing the GSM network or external devices or having impact on the securi...

Страница 44: ...s HSDPA High Speed Downlink Packet Access HSUPA High Speed Uplink Packet Access UART Universal Asynchronous Receiver Transmitter HSIC High Speed Inter Chip SIM Subscriber Identification Module SPI Serial Peripheral Interface ADC Analog Digital Converter DAC Digital Analog Converter I O Input Output GPIO General Purpose Input Output CMOS Complementary Metal Oxide Semiconductor MOSI Master Output Sl...

Страница 45: ...ide 1VV0301646 Rev 1 Page 45 of 47 2020 03 23 SRDY Slave Ready CS Chip Select RTC Real Time Clock PCB Printed Circuit Board ESR Equivalent Series Resistance VSWR Voltage Standing Wave Radio VNA Vector Network Analyzer ...

Страница 46: ...Bravo HW User Guide 1VV0301646 Rev 1 Page 46 of 47 2020 03 23 8 DOCUMENT HISTORY Revision Date Changes 0 2020 02 21 Initial revision 1 2020 03 23 DIP Switch table added ...

Страница 47: ... 01 2017 Mod 0805 2017 01 Rev 6 ...

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