NL-SW-HSPA

Skywire​®​ HSPA+ HE910 Embedded Cellular Modem Datasheet NimbeLink Corp​. Updated: June 2020 PN 30026 rev 14 © NimbeLink Corp. 2020. All rights reserved. 1 Table of Contents Table of Contents 2 Introduction Orderable Part Numbers Additional Resources Product Overview Block Diagram 4 4 4 4 5 Technical Specifications Electrical Specifications Absolute Maximum Ratings Recommended Ratings & Module Pin out Connectors J1 and J2 Connectors J3, X1, X2, X3 Component Parameters Typical Power Consumption Mechanical Specifications Mechanical Characteristics Mating Connectors Device Placement Environmental Specifications 5 5 5 6 6 7 8 8 9 9 9 9 9 Important Design Considerations ON_OFF Signal Power Monitoring Power Supply Requirements Serial Communications 10 10 10 10 11 Mounting Guidelines Board to Board connectors approach Solder to Board connection approach 13 13 14 Antenna Considerations Primary Antenna Requirements Diversity Antenna Requirements GPS Antenna Requirements Recommended Antennas 15 15 15 15 16 PN 30026 rev 14 © NimbeLink Corp. 2020. All rights reserved. 2 Certifications Carrier Specific Geography Specific 17 17 17 Federal Regulatory Licensing 17 End Product Labeling Requirements 17 PN 30026 rev 14 © NimbeLink Corp. 2020. All rights reserved. 3 1. Introduction 1.1 Orderable Part Numbers Orderable Device Telit Chipset Operating Temperature Bands Fallback? Network Type GPS NL-SW-HSPA HE910-DG -40 to +85˚C B1, B2, B4, B5, B8 Yes GSM Yes NL-SW-HSPA-B HE910-DG -40 to +85˚C B1, B2, B4, B5, B8 Yes GSM Yes 1.2 Additional Resources The following documents or documentation resources are referenced within this document. ● ● ● ● NL-SW-HSPA Product Page GPS & Assisted GPS App Note Sending and Receiving data with Socket Dials Prototyping considerations App Note 1.3 Product Overview Add robust cellular connectivity to your M2M devices with scalable radio technology with Skywire line of modems including HE910 based HSPA+ solutions. Extensive experience in designing and building embedded product solutions makes the NimbeLink Skywire® embedded cellular modem the smallest on the market. It uses the popular Skywire interface and supports multiple GSM bands and fallback capability minimizing costs of hardware and network access. The module is designed for volume production and is intended for OEMs to embed into end equipment designs. PN 30026 rev 14 © NimbeLink Corp. 2020. All rights reserved. 4 1.4 Block Diagram 2. Technical Specifications 2.1 Electrical Specifications 2.1.1 Absolute Maximum Ratings PN 30026 rev 14 Parameter Signal Maximum Rating Main Power Supply VCC 4.3V I/O Voltage Reference VREF 5.0V © NimbeLink Corp. 2020. All rights reserved. 5 2.1.2 Recommended Ratings & Module Pin out 2.1.2.1 Connectors J1 and J2 Pin Name Direction Description Min Typical Max If not used 1 VCC Input Main Power supply 3.5V 3.9V 4.3V Must be implemented VOL: GND to 0.55V VIL: GND to 0.15V 2 DOUT Output UART data out, I/O level tied to VREF 3 DIN Input UART data in, I/O level tied to VREF 4 GND Input Ground Pin 0V 4.4V VOH: VREF x 0.67 to VREF VIH: VREF-0.4 V to VREF 0 Must be implemented if USB not used, No connection Must be implemented if USB not used, No connection Must be implemented 5 RESET_nIN Input Controls HW_SHUTDOWN input on Telit HE910, tie low for 200mS and released to activate. Internally pulled up to 1.8V. Drive with open collector output. Assert only in an emergency as the module will not gracefully exit the cellular network when asserted. 6 VUSB Input Supply for USB interface 7 USB_D+ I/O USB differential Data + signal No connection 8 USB_D- I/O USB differential Data - signal No connection 5V 1.8V No connection 5V No connection VIH: VREF-0.4 V to VREF VIL: GND to 0.15V 9 DTR Input Modem Data Terminal Ready input 10 GND Input Ground Pin 0 Must be implemented 11 GND Input Ground Pin 0 Must be implemented 12 CTS Output Modem Clear to Send hardware flow control output PN 30026 rev 14 VOL: GND to 0.55V VOH: VREF x 0.67 to VREF © NimbeLink Corp. 2020. All rights reserved. Tie to GND No connection 6 Pin Name Direction Description Min 13 ON/nSLEEP Output Signal drives the onboard LED indicating network status. See section 3.5 for details. 0 1.65V Typical Max If not used 1.8V No connection 5.0V Must be implemented 14 VREF Input Voltage reference for offboard I/O signals. This signal drives the input voltage side of an onboard buffer which converts all external I/O voltage from VREF range to 1.8V range to drive the onboard Telit HE910 modem module. 15 GND Input Ground Pin VIL: GND to 0.15V VIH: VREF-0.4 V to VREF Tie to GND 1.8V or 3.3V 0 Must be implemented 16 RTS Input Modem Request to Send hardware flow control input 17 DIO3 I/O Programmable GPIO_03 on Telit HE910 module 0 1.8V No connection 18 DIO2 I/O Programmable GPIO_02 on Telit HE910 module 0 1.8V No connection 19 ADC1 Input ADC_IN1 input on Telit HE910 module (8bit resolution,