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USER MANUAL | CHRONOS

4G LTE-M EMBEDDED

CELLULAR MODEM

Embedded Planet | Updated October 2020 | v1.0.0

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Summary of Contents for CHRONOS

Page 1: ...USER MANUAL CHRONOS 4G LTE M EMBEDDED CELLULAR MODEM Embedded Planet Updated October 2020 v1 0 0 ...

Page 2: ...ute Maximum and Minimum Ratings 14 7 2 Recommended Operating Conditions 14 7 3 Typical Power Consumption 15 8 Mechanical Specifications 16 8 1 Physical Parameters 16 8 2 Mating Connectors 16 8 3 Mechanical Drawing 17 8 4 Recommended PCB Footprint 2 x 10 pin headers 18 8 5 Recommended PCB Footprint Castellated pins 18 8 6 Environmental Specifications 19 9 Design Considerations 20 9 1 Power Supply D...

Page 3: ...eland OH 44128 216 245 4180 Copyright 2020 Embedded Planet Inc All Rights Reserved page 2 User Manual Chronos 11 7 Antenna Notice ISED 24 11 8 End Product Labeling Requirements 24 11 9 FCC Additional Testing Part 15 Subpart B disclaimer 24 12 Revision History 25 ...

Page 4: ...ly Chronos offers a 40 position castellated footprint which along with Telit s AppZone provides additional serial and analog interfaces and GPIO With PTCRB and cellular carrier certifications complete Chronos requires no further cellular certification allowing designers to get to market quickly without having to negotiate the expensive cellular certification processes At only 33mm x 29 5mm Chronos...

Page 5: ...5 B8 B12 B13 B18 B19 B20 B25 B26 B27 B28 B66 B71 B85 RX Sensitivity CAT M1 102 2 to 107 5 dBm depending on band Uplink up to 1Mbps Downlink up to 588kbps LTE CAT NB2 Specifications Bands B1 B2 B3 B4 B5 B8 B12 B13 B18 B19 B20 B25 B26 B27 B28 B66 B71 B85 RX Sensitivity CAT NB2 111 3 to 115 8dBm depending on band Uplink up to 160kbps Downlink up to 120kbps SIM Removable 4FF nano SIM card slot Soldere...

Page 6: ...ecification Description Power Consumption Main supply 3 8Vdc GPIO supply 3 3Vdc To be determined Form Factor Dimensions with headers unmated 29 5 x 33 0 x 10 34mm Dimensions with headers mated 29 5 x 33 0 x 7 14mm Dimensions castellated 29 5 x 33 0 x 4 35mm Environmental Operating Temperature Range 40 C to 85 C Storage Temperature Range 40 C to 85 C Humidity Range 20 RH to 90 RH ...

Page 7: ...support embeddedplanet com 4760 Richmond Road Suite 400 Cleveland OH 44128 216 245 4180 Copyright 2020 Embedded Planet Inc All Rights Reserved page 6 User Manual Chronos 5 Block Diagram ...

Page 8: ...ut Main UART data output from cell module Leave open 3 DIN Digital input Main UART data input to cell module Leave open 4 GND n a GND Must be implemented 5 RSVD n a Reserved for future use Leave open Do not connect pin 6 VUSB Analog input USB power sense Leave open 7 USB_DP Digital I O USB data Leave open 8 USB_DN Digital I O USB data Leave open 9 DTR Digital input Main UART DTR input to cell modu...

Page 9: ...eave open 17 TX_AUX Digital output Aux UART output from cell module Leave open 18 RX_AUX Digital input Aux UART input to cell module Leave open 19 RING Digital output Output from cell module indicating incoming call Leave open If not used as RING this pin can be used as a GPIO 20 ON_OFF Open collector input Input command for power ON OFF and to wake from deep sleep mode Tie to GND see note below A...

Page 10: ..._TX Digital input Digital audio Leave open 4 DVI_CLK Digital I O Digital audio Leave open 5 Vcell Power input Main power supply input Must be implemented 6 DOUT Digital output Main UART data output from cell module Leave open 7 DIN Digital input Main UART data input to cell module Leave open 8 GND n a GND Must be implemented 9 RSVD n a Reserved for future use Leave open Do not connect pin 10 IO3 D...

Page 11: ...ion 23 CTS Digital output Main UART CTS output from cell module Leave open 24 PWR_MON Digital output Cell module power monitor Leave open High when cell module is ON 25 Vcell_ref Power input Reference voltage for host GPIO Leave open 26 RTS Digital input Main UART RTS input to cell module Leave open 27 TX_AUX Digital output Aux UART output from cell module Leave open 28 RX_AUX Digital input Aux UA...

Page 12: ...ART1 Leave open Internal 100k pullup 37 IO1 Digital I O GPIO Leave open 38 GNSS_PPS Digital output 1 pulse per second Leave open 39 GND n a GND Must be implemented 40 ADC Analog input Leave open Refer to Telit documentation Note In some use cases ON_OFF can be tied to GND If this is done there are two items to consider 1 PSM asynchronous wake up capability will be lost 2 To perform an unconditiona...

Page 13: ... customer shall use the most suitable antenna for the bands provided by the network operator s used Impedance 50Ω Input power 24dBm average power VSWR abs max 10 1 to avoid permanent damage VSWR recommended 2 1 to fulfill all regulatory requirements 6 5Recommended Cellular Antennae The general recommendation is to use a wide band LTE antenna with acceptable efficiency across applicable bands The t...

Page 14: ...equirements Frequency Range 1559 1610MHz Gain 15 30dB Impedance 50Ω Noise Figure of LNA 1 5 recommended DC supply voltage 1 8 3 3Vdc VSWR recommended 3 1 6 7Recommended GNSS Antennae The general recommendation is to use a wide band LTE antenna with acceptable efficiency across applicable bands The table below has examples of several LTE antennae that are compatible with Chronos Type Manufacturer P...

Page 15: ...ref 0 5V 6 5V With respect to GND All other pins 0 3V 2 1V With respect to GND 7 2Recommended Operating Conditions Modem Pin Min Typ Max Notes Vcell 3 4V 3 8V 4 2V With respect to GND Vcell_ref 1 65V 5 5V With respect to GND VUSB 5 0V 5 25V With respect to GND Pins referred to Vcell_ref 0V Vcell_ref With respect to GND All other pins 0V 1 8V With respect to GND Modem Pin VIH min VIL max VOH min VO...

Page 16: ... embeddedplanet com 4760 Richmond Road Suite 400 Cleveland OH 44128 216 245 4180 Copyright 2020 Embedded Planet Inc All Rights Reserved page 15 User Manual Chronos 7 3Typical Power Consumption To be determined ...

Page 17: ...of insertions and removals until possible U FL connector failure 30 100 J3 and J4 mating cycles Number of insertions and removals until possible header connector failure 500 8 2Mating Connectors Chronos versions with headers may be installed into sockets on the host board The 2 x 10 pin headers populated on the modem are Samtec TMM 110 01 T S SM Refer to Samtec documentation for mating connector d...

Page 18: ...t embeddedplanet com 4760 Richmond Road Suite 400 Cleveland OH 44128 216 245 4180 Copyright 2020 Embedded Planet Inc All Rights Reserved page 17 User Manual Chronos 8 3Mechanical Drawing All dimensions in mm ...

Page 19: ...dded Planet Inc All Rights Reserved page 18 User Manual Chronos 8 4Recommended PCB Footprint 2 x 10 pin headers Chronos versions with headers may be soldered directly to the host board 8 5Recommended PCB Footprint Castellated pins The recommended PCB footprint for Chronos castellated versions is given below ...

Page 20: ...4128 216 245 4180 Copyright 2020 Embedded Planet Inc All Rights Reserved page 19 User Manual Chronos 8 6Environmental Specifications Parameter Min Typ Max Operating Temperature 40 C 25 C 85 C Storage Temperature 40 C 25 C 85 C Operating Humidity non condensing 20 RH 90 RH ...

Page 21: ...n Considerations 9 1Power Supply Design Considerations Chronos contains the recommended power supply design bypassing and layout to support the Telit ME310G10 W1 The end user is cautioned to ensure that the host power supply that supplies Vcell is capable of supplying 1A peaks without browning out the voltage Short wide traces to the Vcell and GND pins on Chronos are encouraged ...

Page 22: ...n of Chronos into any Mbed enabled target Refer to the link below for the sources https github com ARMmbed mbed os tree master connectivity drivers cellular TELIT ME310 10 3 USB Compatibility Operating System Notes Windows The Windows driver from Telit can be downloaded here https www telit com evk drivers By default the device presents as 3 virtual COM ports to the host OS 1 for Telit debug purpo...

Page 23: ...ever there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation be...

Page 24: ...ure Guidelines and RSS 102 of the ISED radio frequency RF Exposure rules This transmitter must not be co located or operating in conjunction with any other antenna or transmitter The antenna should be installed and operated with minimum distance of 20 cm between the radiator and your body 11 6 Antenna Notice FCC This radio transmitter has been approved by FCC to operate with the antenna types list...

Page 25: ...FCC ID RI7ME310G1W1 Contains IC 5131A ME310G1W1 This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation 11 9 FCC Additional Testing Part 15 Subpart B disclaimer The modular transmitter is o...

Page 26: ...ichmond Road Suite 400 Cleveland OH 44128 216 245 4180 Copyright 2020 Embedded Planet Inc All Rights Reserved page 25 User Manual Chronos 12 Revision History Revision Author Description Date 1 0 0 M Leopold Initial Release 09 OCT 2020 ...

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