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WL865E4-P Module Hardware User Guide 

 

1VV0301580 Rev. 4  

Page 

54

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56 

2019-08-08 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 

Summary of Contents for WL865E4-P

Page 1: ...01 2017 Mod 0805 2017 01 Rev 6 WL865E4 P HW User Guide 1VV0301580 Rev 4 2019 08 08...

Page 2: ...ghts for 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...

Page 3: ...Activities 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 softwa...

Page 4: ...WL865E4 P Module Hardware User Guide 1VV0301580 Rev 4 Page 4 of 56 2019 08 08 APPLICABILITY TABLE REMOVE UNUSED PRODUCTS WL865E4 P...

Page 5: ...V Third Party Rights 3 APPLICABILITY TABLE REMOVE UNUSED 4 CONTENTS 5 1 INTRODUCTION 8 Scope 8 Audience 8 Contact Information Support 8 Text Conventions 9 Related Documents 10 2 OVERVIEW 11 3 PINS AL...

Page 6: ...s Variants 29 6 1 1 WIFI 29 6 1 2 BlueTooth 29 TX Output power 30 6 2 1 WIFI 30 6 2 1 1 2 4GHz 30 6 2 1 2 5GHz 31 6 2 2 BlueTooth 31 RX Sensitivity 32 6 3 1 WIFI 32 6 3 1 1 2 4GHz 32 6 3 1 2 5GHz 33 6...

Page 7: ...design 42 PCB pad dimensions 43 Stencil 43 Solder paste 43 Solder Reflow 44 10 PACKAGING 46 Tray 46 Moisture sensitivity 47 11 CONFORMITY ASSESSMENT ISSUES 48 FCC IC Regulatory notices 48 12 FCC IC C...

Page 8: ...ion Support For general 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...

Page 9: ...nt failure 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...

Page 10: ...WL865E4 P Module Hardware User Guide 1VV0301580 Rev 4 Page 10 of 56 2019 08 08 Related Documents WL865E4 P AT Command Reference Guide WL865E4 P_EVB_User_Guide WL865_PCB_Antenna_Integration_Guide...

Page 11: ...WL865E4 P module For further hardware details that may not be explained in this document refer to the Telit WL865E4 P Product Description document where all the hardware information is reported NOTE E...

Page 12: ...o 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 implicatio...

Page 13: ...UART0_CTS GPIO_22 DI Input VDD_VIO Max baud rate 3 Mbps 24 UART0_RTS GPIO_23 DO Output VDD_VIO Max baud rate 3 Mbps 25 UART0_RXD GPIO_24 DI Serial data input VDD_VIO Max baud rate 3 Mbps 26 UART0_TXD...

Page 14: ..._34 DIO SDIO card DAT 3 signal VDD_VIO SPI_S_MOSI Slave PWM 49 SDIO_D2 USB_BOOT GPIO_35 DIO SDIO card DAT 2 signal VDD_VIO USB BOOT Mode Active HIGH PWM 50 SDIO_D1 GPIO_36 DIO SDIO card DAT 1 signal V...

Page 15: ...VIO BT_PRIORITY 15 PWM_OUT0 GPIO_05 DIO GENERIC IO VDD_VIO DAC PWM 16 LF_CLK_IN GPIO_08 DIO GENERIC IO VDD_VIO Optional External 32KHz Clock Input 33 WIFI_ACTIVE GPIO_03 DIO GENERIC IO VDD_VIO WIFI_AC...

Page 16: ...y Power 3 0V to 3 6V 3 3V Nominal Power Supply 9 VDD_VIO I Digital Input Output power supply Power 1 8V to 3 6V 3 3V Nominal Power Supply 11 VDD_BLE I Bluetooth main power supply Power 3 0V to 3 6V 3...

Page 17: ...WL865E4 P Module Hardware User Guide 1VV0301580 Rev 4 Page 17 of 56 2019 08 08 Pads Layout The figure 1 shows the pads layout configuration for the module top view Figure 1 Top View Pad Layout...

Page 18: ...Minimum Typical Maximum Absolute Maximum to avoid permanent damage At any power supply pin 0 3 V 4 0V Recommended VDD_BLE VDD_WLAN USB_VDD 3 14 V 3 3V 3 46V Recommended VDD_VIO see notes 3 14V or 1 7...

Page 19: ...CCK 11 Mbps 19 326 mA g BPSK 6 Mbps 19 332 mA g BPSK 9 Mbps 19 330 mA g QPSK 12 Mbps 19 326 mA g QPSK 18 Mbps 18 294 mA g 16 QAM 24 Mbps 18 286 mA g 16 QAM 36 Mbps 18 276 mA g 64 QAM 48 Mbps 17 266 mA...

Page 20: ...64 QAM 54 Mbps 13 216 mA n BPSK MCS0_20 15 5 267 mA n QPSK MCS1_20 15 5 263 mA n QPSK MCS2_20 15 253 mA n 16 QAM MCS3_20 15 250 mA n 16 QAM MCS4_20 14 230 mA n 64 QAM MCS5_20 14 227 mA n 64 QAM MCS6_2...

Page 21: ...V VIL Input low level 0 3V 0 3V VOH Output high level 3 0V 3 6V VOL Output low level 0 3V 0 4V Levels with VDD_VIO 3 3V Typical IIH Input current 60 A Rod is ON 0 1 A Rpd is OFF IIL Input current 60 A...

Page 22: ...Minimum time before RESET is de asserted 10 N A s Table 6 Wl865E4 P on Reset Table Be sure that VDD_VIO will be powered before or at same time than VDD_BLE and VDD_WLAN Either do a VDD_BLE and VDD_WL...

Page 23: ...Flash 8 64 96MHz SDIO 2 0Slave 48Mhz clockrate SPI Master Slave 48Mhz clock rate 4 wire USB2 0 Peripherals FW upgrade Manufacture interface I2S Master Slave One port 2 audiochannels PCM Master Slave 8...

Page 24: ...baud rate detection it can be changed by the host to up to 3 Mbps by using a special command Data bits 8 bits Flow control CTS RTS Parity None Stop bits 1 Bit order LSBit first Table 8 WL865E4 P Conf...

Page 25: ...onfiguration interface for QCA4020 based systems It is not used for normal operation use it only for testing and Bootloader interface VUSB is only 3V3 volts You can directly connect it to VDD_BLE The...

Page 26: ...TER_CLK Output PD GPIO_13 SPI_MASTER_MISO Input PU GPIO_14 SPI_MASTER_MOSI Output PU GPIO_15 ADC_IN1 Analog to Digital Converter VDD_VIO 1V8 Input GPIO_16 ADC_IN2 Analog to Digital Converter VDD_VIO 1...

Page 27: ...of resistor divider and or emitter follower as voltage translators even if not totally wrong does not protect the modem against latch up in case of power off and furthermore you cannot guarantee a co...

Page 28: ...e translator Place 33pF on both power supplies The Power bank side connected to the modem should be powered with same VDD_VIO to prevent latch up from happening When using level shifters for better te...

Page 29: ...Bands Technology Frequency Range GHz Channel spacing MHz WIFI 2 4 GHz 2 401 Fc 2 495 5 WIFI 5 GHz 5 170 Fc 5 835 5 Table 11 WL865E4 P supported Frequency Bands for WiFi 6 1 2 BlueTooth Technology Fre...

Page 30: ...Mbps 19 25 6 14 b CCK 5 5 Mbps 19 27 5 14 b CCK 11 Mbps 19 26 5 14 g BPSK 6 Mbps 19 17 0 5 g BPSK 9 Mbps 19 16 9 8 g QPSK 12 Mbps 19 16 5 10 g QPSK 18 Mbps 18 17 4 13 g 16 QAM 24 Mbps 18 22 6 16 g 16...

Page 31: ...K 18 Mbps 15 5 18 0 13 a 16 QAM 24 Mbps 15 5 22 8 16 a 16 QAM 36 Mbps 14 29 8 19 a 64 QAM 48 Mbps 13 31 7 22 a 64 QAM 54 Mbps 13 31 8 25 n BPSK MCS0_20 16 17 5 5 n QPSK MCS1_20 16 17 0 10 n QPSK MCS2_...

Page 32: ...SK 2 Mbps 94 1 80 b CCK 5 5 Mbps 93 7 76 b CCK 11 Mbps 90 0 76 g BPSK 6 Mbps 94 4 82 g BPSK 9 Mbps 93 0 81 g QPSK 12 Mbps 92 1 79 g QPSK 18 Mbps 89 2 77 g 16 QAM 24 Mbps 86 3 74 g 16 QAM 36 Mbps 82 8...

Page 33: ...6 77 a 16 QAM 24 Mbps 87 1 74 a 16 QAM 36 Mbps 84 0 70 a 64 QAM 48 Mbps 80 0 66 a 64 QAM 54 Mbps 78 2 65 n BPSK MCS0_20 95 2 82 n QPSK MCS1_20 92 5 79 n QPSK MCS2_20 90 2 77 n 16 QAM MCS3_20 85 6 74...

Page 34: ...on board shall have a gain equal or lower to the one recommended by Telit the separation distance between the user and or bystander and the device s radiating element is greater than 20cm and no other...

Page 35: ...ents like modem on PCB side facing up and do not place anything on top of them leaving space to the air If it is a closed application consider opening holes on top and bottom of the cover for ventilat...

Page 36: ...n the RF track including the RF Pad It is important to make RF trace equal or wider than the Pad width to avoid step impedance The line should be as short as possible and keep a constant cross section...

Page 37: ...e 4 Coplanar Waveguide dimensioning example Figure 5 Coplanar Waveguide calculation tool example Please pay attention to cut the GND plane close to the Antenna pad otherwise you can change drastically...

Page 38: ...WL865E4 P Module Hardware User Guide 1VV0301580 Rev 4 Page 38 of 56 2019 08 08 Figure 6 RF Track on EVB...

Page 39: ...Page 39 of 56 2019 08 08 7 AUDIO SECTION Electrical Characteristics The audio interface is only digital through the I2S The voltage of this interface pins have same electrical characteristics as for d...

Page 40: ...WL865E4 P Module Hardware User Guide 1VV0301580 Rev 4 Page 40 of 56 2019 08 08 8 MECHANICAL DESIGN Drawing Figure 7 WL865E4 P Top and bottom side mechanical Drawing...

Page 41: ...WL865E4 P Module Hardware User Guide 1VV0301580 Rev 4 Page 41 of 56 2019 08 08 Figure 8 WL865E4 P side view...

Page 42: ...VV0301580 Rev 4 Page 42 of 56 2019 08 08 9 APPLICATION PCB DESIGN Footprint Figure 9 WL865E4 P recommended footprint PCB pad design Non solder mask defined NSMD type is recommended for the solder pads...

Page 43: ...on high shear force values Table 1910 PSB Finishing recommendation The PCB must be able to resist the higher temperatures which are occurring at the lead free process This issue should be discussed wi...

Page 44: ...ile Feature Pb Free Assembly Average ramp up rate TL to TP 3 C second max Preheat Temperature Min Tsmin Temperature Max Tsmax Time min to max ts 150 C 200 C 60 180 seconds Tsmax to TL Ramp up Rate 3 C...

Page 45: ...module withstands one reflow process only Warning The above solder reflow profile represents the typical SAC reflow limits and does not guarantee adequate adherence of the module to the customer appli...

Page 46: ...19 08 08 10 PACKAGING Tray The WL865E4 P modules are packaged on trays of 50 pieces each when small quantities are required i e for test and evaluation purposes Trays are not designed to be used in SM...

Page 47: ...of the following conditions a The shelf life of the Product inside of the dry bag is 12 months from the bag seal date when stored in a non condensing atmospheric environment of 40 C and 90 RH b Enviro...

Page 48: ...ONFORMITY ASSESSMENT ISSUES FCC IC Regulatory notices Hereby Telit Communications S p A declares that the NB IOT Module is in compliance with Directive 2014 53 EU The full text of the EU declaration o...

Page 49: ...nement Wireless notice This device complies with FCC ISED radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio frequency RF Exposure Guidelines and RSS 102 of th...

Page 50: ...tal apparatus complies with Canadian ICES 003 Cet appareil num rique de classe B est conforme la norme canadienne ICES 003 List of applicable FCC rules Parts 15C 15E 2 1091 Limited module procedures N...

Page 51: ...tended for use in a portable device you are responsible for separate approval to satisfy the SAR requirements of FCC Part 2 1093 and IC RSS 102 Additional testing Part 15 Subpart B disclaimer The modu...

Page 52: ...king carefully 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 theref...

Page 53: ...Multiple Access HSDPA High Speed Downlink Packet Access HSUPA High Speed Uplink Packet Access UART Universal Asynchronous Receiver Transmitter HSIC High Speed Inter Chip BLE Bluetooth low energy SPI S...

Page 54: ...User Guide 1VV0301580 Rev 4 Page 54 of 56 2019 08 08 SRDY Slave Ready CS Chip Select RTC Real Time Clock PCB Printed Circuit Board ESR Equivalent Series Resistance VSWR Voltage Standing Wave Radio VN...

Page 55: ...Rev 4 Page 55 of 56 2019 08 08 15 DOCUMENT HISTORY Revision Date Changes 0 2017 12 15 First issue 1 2019 03 29 General Review of all chapters 2 2019 05 01 Minor changes 3 2019 07 02 Updated GPIO and...

Page 56: ...01 2017 Mod 0805 2017 01 Rev 6...

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