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Cavli Wireless C16QS Hardware Manual

Lte cat1.bis module
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Cavli C16QS
LTE CAT1.bis Module
Hardware Manual
External Release Version 4.1
www.cavliwireless.com
www.cavliwireless.com
C16QS Hardware Manual
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Summary of Contents for Cavli Wireless C16QS

  • Page 1 C16QS Hardware Manual Cavli C16QS LTE CAT1.bis Module Hardware Manual External Release Version 4.1 www.cavliwireless.com www.cavliwireless.com...
  • Page 2 COPYRIGHT THE INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF CAVLI WIRELESS INC. TRANSMITTING, REPRODUCTION, DISSEMINATION AND EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THE CONTENT ARE FORBIDDEN WITHOUT PERMISSION. OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES.

  • Page 3: Table Of Contents

    2.4 Module Working Mode ....................... 15 3 Interface Application Description ....................16 3.1 Chapter Overview ........................16 3.2 Module Interface ......................... 17 3.2.1 C16QS Pin Layout ......................................17 3.2.2 C16QS Pin Interface ....................................18 3.3 Power interface ........................... 21 3.3.1 Power Supply Design ....................................21 3.3.2 Power Reference Circuit ..................................23...
  • Page 4 C16QS Hardware Manual 3.6.4 Serial Port Application Circuit ..............................29 3.7 USIM Interface ..........................31 3.7.1 USIM Card Reference Circuit ................................31 3.8 General Purpose GPIO Interface ..................... 32 3.9 Network Status Indication Interface ..................33 3.9.1 Network Status ......................................33 3.9.2 Module Status Indication ..................................
  • Page 5 5.6 Power Consumption Characteristics ..................52 6 Structural and Mechanical Properties..................55 6.1 Chapter Overview ........................55 6.2 C16QS Module Mechanical Size ....................56 7 Ordering Information ........................59 8 Packaging and Production ......................61 8.1 Chapter Overview ........................61 8.2 Module Packaging and Storage .....................
  • Page 6 C16QS Hardware Manual 10 Appendix ............................72 10.1 Chapter Overview ........................72 10.2 Abbreviations ..........................72 10.3 Safety and Precautions ......................74 www.cavliwireless.com...
  • Page 7 C16QS Hardware Manual VERSION HISTORY Version Edit Date (DD/MM/YYY) Initial Version 13/09/2022 Updated reference circuits • VBAT power supply • LDO linear power supply • Power ON • Reset • USB connection • UART Serial port • Level conversion chip •...
  • Page 8 C16QS Hardware Manual GNSS Performance parameters updated 15/02/2023 Updated table 2-1 and 5-1 with new Temperature values 20/02/2023 Changed the reset reference circuit (Fig 6) Power Consumption characteristics (Table 5-6) updated 07/03/2023 AP_READY description updated 10/03/2023 Power supply information updated (Section 3.3.3)
  • Page 9 C16QS Hardware Manual Table of Figures Figure 1 C16QS Functional Block Diagram ......................14 Figure 2 C16QS module Interface definition (top view) ..................17 Figure 3 VBAT power supply ............................. 22 Figure 4 LDO linear power reference circuit ......................23 Figure 5 Power-on reference circuit .........................

  • Page 10: Introduction

    C16QS Hardware Manual Introduction This document is the Hardware Manual of the Cavli Wireless solution product C16QS Smart Module, which describes: ✓ The hardware composition and functional features of the module ✓ The definition and usage of the application interface The electrical performance and mechanical properties of the module ✓...

  • Page 11: Module Overview

    C16QS integrates an application processing subsystem, a communication subsystem, multimedia and connectivity peripherals to enable a single chip 4G LTE feature phone solution. The C16QS communication subsystem integrates LTE CAT.1bis technology and a RF transceiver to cover 1/3/5/8/20(E.A), 2/4/5/12/13/66(N.A), 1/3/5/8/18/19/26/28(A.N), 2/3/4/7/8/28(L.A), or 1/2/3/4/5/8/12/18/19/20/26/28/66 (W.W) bands for worldwide roaming.

  • Page 12: Module Characteristics

    C16QS Hardware Manual 2.2 Module Characteristics Table 2-1 Key Features Characteristics Description Physical Characteristics 26.5mm x 22.5mm x 2.3mm Fixed Way LGA package, patch mount Operating Voltage 3.4V – 4.2V Typical Voltage 3.7 V Application Processor ARM Cortex M3 with a clock frequency of 204MHz.
  • Page 13 S on the model number represents the single mode NOTE • When the temperature is in the range of –40°C to –30°C or +75°C to +85°C, some RF specifications of the C16QS module may not meet the 3GPP standards. www.cavliwireless.com...

  • Page 14: Module Function

    2.3 Module Function C16QS Module mainly consists of the following circuit units: ✓ RF Band SAW Duplex array ✓ Multi-Band PA ✓ Interfaces The functional block diagram of the C16QS module is shown below： Figure 1 C16QS Functional Block Diagram www.cavliwireless.com...

  • Page 15: Module Working Mode

    C16QS Hardware Manual 2.4 Module Working Mode Table 2-2 work mode Working mode Description Turn off the machine In the case of shutdown, the module is fully powered off. The module closes the module RF circuit, unable to interact with the Flight Mode network.

  • Page 16: Interface Application Description

    C16QS Hardware Manual Interface Application Description 3.1 Chapter Overview This chapter mainly describes the interface definition and application of this module. It contains the following sections: • Module Interface • Power Interface • Switching Machine Reset Mode • USB Interface •...

  • Page 17: Module Interface

    C16QS Hardware Manual 3.2 Module Interface 3.2.1 C16QS Pin Layout C16QS pins are assigned as follows： Figure 2 C16QS module Interface definition (top view) www.cavliwireless.com...

  • Page 18: C16Qs Pin Interface

    C16QS Hardware Manual 3.2.2 C16QS Pin Interface The C16QS module has the LGA interface. The module interface definition is shown in the following table: Table 3-1 Pin name Pin name Pin name RESERVED ADC1 I2S_MCLK I2S_LRCK I2S_DIN I2S_DOUT RESERVED USB_DP...
  • Page 19 C16QS Hardware Manual USIM_VDD USIM_RST USIM_DATA USIM_CLK ANT_GNSS RESERVED VBAT_RF VBAT_RF RESERVED RESERVED ANT_LTE I2S_BLK AGPIO7 RESERVED RESERVED NET_STATUS RESERVED RESERVED RESERVED GNSS_RXD GNSS_TXD GNSS_VDD GNSS_EN RESERVED RESERVED SWDIO www.cavliwireless.com...
  • Page 20 C16QS Hardware Manual SWCLK SPI_MISO SPI_MOSI SPI_CLK SPI_CS GNSS_VRTC GNSS_1PPS Table 3-2 IO parameter definition Pin Type Full Form Input / Output Power Input Power Output Analog Input Analog Output Digital Input Digital Output Leaky Open Key NOTE • The module typically has an IO port level of 1.8V (in addition to the SIM, the SIM card port level supports 1.8V and 3.0V).

  • Page 21: Power Interface

    ✓ VBAT_RF is the module RF power supply ✓ GNSS_VRTC is the RTC power ✓ USIM_VDD is the working power supply for SIM card 3.3.1 Power Supply Design The power interface of the C16QS module is as follows: Table 3-3 Power pin definitions Power supply Pin No.

  • Page 22: Figure 3 Vbat Power Supply

    67-74, 79-82, 89- 91, 100-102 The C16QS module can be powered by a single power supply mode. ✓ The module has 4 channels of power supply, two VBAT_BB and two VBAT_RF pins. ✓ The module power supply range is between 3.4V – 4.2V ✓...

  • Page 23: Power Reference Circuit

    VBAT pin. 3.3.3 VREF 1.8 Voltage Output The C16QS module outputs 1.8V through VREF for internal digital circuitry. This voltage is the logic level voltage of the module. After normal power-on, the 29 pin will output 1.8V and the current load will be 50mA.

  • Page 24: Switching Machine Reset Mode

    3.4.1 Turn ON Module The 15 pin of the C16QS module is POWER_ON pin. The module can be powered on by pulling down the POWER_KEY LOW for at least 500ms. The user can check whether the module is powered on by querying the high and low levels of the VDD_EXT pin.

  • Page 25: Reset Control

    USB charging mode. USB input and output traces must comply with the USB2.0 feature. The input power supply of USB_VBUS is 3.3V - 5V. AT interfacing and Ethernet via USB is possible in Cavli C16QS module. The USB interface is defined as follows: Table 3-7 USB interface pin definition Pin No.

  • Page 26: Figure 7 Usb Connection Design Circuit Diagram

    C16QS Hardware Manual The module only acts as a USB slave device and supports USB Sleep and Wake-Up mechanisms. USB interface application reference circuit is as follows: Figure 7 USB connection design circuit diagram NOTE • Required a resistance of 16R for R1/R2.

  • Page 27: Uart Interface

    C16QS Hardware Manual 3.6 UART Interface The C16QS module provides three sets of UART interfaces. Main serial port and Auxiliary serial ports, serial port level is 1.8V. 3.6.1 UART0 Serial Port The pins 27 and 28 of the module are UART0 serial port pins. UART0 serial interface can only be used as the debug UART of the module.

  • Page 28: Uart2 Serial Port

    C16QS Hardware Manual The UART interface is defined as follows： Table 3-9 UART serial port signal definition Name Description UART1_RI Ringing indication UART1_DCD Output carrier detection UART1_CTS UART clear to send UART1_RTS UART request to send UART1_DTR Data terminal preparation...

  • Page 29: Serial Port Application Circuit

    C16QS Hardware Manual NOTE • UART2 and GNSS UART are internally connected so while using GNSS ensure that UART 2 is kept as floating and vice versa. 3.6.4 Serial Port Application Circuit The serial level is 1.8V. The module's serial port baud rate can be set to 600 to 3000000bps baud rate and the default is 115200bps.

  • Page 30: Figure 9 Uart Serial Port Design

    C16QS Hardware Manual If you need to use a 2-wire serial port, you can refer to the following serial port design: Figure 9 UART serial port design The serial port of the module is TTL 1.8V level. If the serial port needs to be connected to the MCU of 3.3V level, it is necessary to add a level conversion chip externally to achieve level matching.

  • Page 31: Usim Interface

    USIM card reset 3.7.1 USIM Card Reference Circuit The C16QS module does not come with a uSIM card slot. Users need to design a USIM card slot on their own interface board. The module supports USIM of voltages 1.8V and 2.85V.

  • Page 32: General Purpose Gpio Interface

    The ground of the USIM deck and the ground of the module should maintain good connectivity. 3.8 General Purpose GPIO Interface The C16QS module contains four general purpose control signals. The interface is defined as follows: Table 3-13 General GPIO Pin Definitions Pin No.

  • Page 33: Network Status Indication Interface

    The C16QS module provides an open-drain GPIO signal to indicate the status of the RF communication. 3.9.1 Network Status C16QS provides two network status indication pins: NET_STATUS (Pins 21 & 75). These pins are used to drive a network status indication LED. Since both the pins have the same functionality, use only one and keep the other floating.

  • Page 34: Figure 12 Net Light Circuit Diagram

    C16QS Hardware Manual The LED network indicator reference design is as follows: Figure 12 Net light circuit diagram When the module enters flight mode, the RF function do not work and all AT commands related to RF functions will be inaccessible. This mode can be set by ✓...

  • Page 35: Module Status Indication

    C16QS Hardware Manual 3.9.2 Module Status Indication ✓ The C16QS module provides a pin as a working status indicator for the module ✓ This pin can be used to connect to a GPIO or LED with pull-up ✓ It is used to indicate the power-on status of the module ✓...

  • Page 36: I2S Interface

    I2S_BLK Bit Clock 3.11 I2C Bus The C16QS module provides a set of hardware bidirectional serial buses with an I2C interface of 1.8V level, a 5.0 Protocol interface, and a clock rate of 400 KHz. Table 3-20 I2C pin definition...

  • Page 37: Swd Interface

    The I2C reference circuit is connected as follows: Figure 14 I2C interface reference circuit diagram 3.12 SWD Interface C16QS module provides a 2-pin serial wire debug (SWD) interface which is an alternative to JTAG. Table 3-21 SWDIO Pin Definitions Pin No.

  • Page 38: Antenna

    Analog to digital converter interface 0 3.14 Antenna The C16QS module provides two antenna interfaces, one main set antenna interface, which is responsible for the CAT .1bis signals of the transceiver module, and another GNSS antenna interface. The GNSS antenna interface is L1.

  • Page 39: Figure 16 Gnss Active Antenna Matching Circuit

    C16QS Hardware Manual The pin 33 of C16QS is the GNSS antenna interface. The C16QS has a dedicated antenna L1, it supports GPS, GLONASS, BEIDOU, QZSS, Galileo and NAVIC. SBAS Ranging support available In order to facilitate antenna debugging, a π-type matching circuit needs to be added to the motherboard and a 50-ohm impedance line is used.

  • Page 40: Rf Trace Reference

    3.14.1 RF Trace Reference The main set of the C16QS module are extracted by pad. The antenna pad to the antenna feed point must use microstrip lines or other types of RF traces. The characteristic impedance of the signal line should be controlled at 50Ω.

  • Page 41: Figure 18 Coplanar Antenna

    C16QS Hardware Manual Figure 18 Coplanar antenna Figure 19 The complete structure of the two-layer PCB microstrip line www.cavliwireless.com...

  • Page 42: Rf Connector Size

    C16QS Hardware Manual Figure 20 The complete structure of the multilayer PCB strip line NOTE • Since Coplanar antennas are having maximum noise immunity, it is preferred. 3.14.2 RF Connector Size ✓ If the RF connector is used, the antenna connector must use a coaxial connector with a 50-ohm characteristic impedance.

  • Page 43: Figure 22 Antenna Connector Matching Plug Diagram

    C16QS Hardware Manual The RF connector plug for this connector is the U.FL-LP series from HRS. Figure 22 Antenna connector matching plug diagram Table 3-24 Main parameters of the RF connector Rated condition Environmental conditions Frequency Range DC to 6 GHZ –40°C to +85°C...

  • Page 44: Control Interface

    C16QS Hardware Manual 3.15 Control Interface Table 3-25 Control interface pin definition Pin No. Signal name Description STATUS Module status FLIGHT_MODE Module flight mode (W_DISABLE) STATUS: This pin is used to get the status of the module. FLIGHT_MODE: This pin is used to disable RF transmission.

  • Page 45: Figure 24 Multi Gnss Receiver Block Diagram

    C16QS Hardware Manual Figure 24 Multi GNSS receiver Block diagram Table 3-26 GNSS interface pin definition Pin No. Signal name Description ANT_GNSS GNSS Antenna interface GNSS_1PPS One pulse per second signal GNSS_TXD GNSS UART Transmission GNSS_VDD GNSS Power supply GNSS_EN...

  • Page 46: Spi Interface

    When GNSS is operating in independent mode, only GNSS_VDD needs to be supplied; VBAT is not required. As VBATT_RF powers the entire RF of LTE and GNSS. GNSS_VDD can power entire GNSS section • Please refer the C16QS GNSS Application note for further information. 3.17 SPI Interface Table 3-27 SPI interface pin definition Pin No.

  • Page 47: Overall Technical Indicators

    C16QS Hardware Manual Overall Technical Indicators 4.1 Chapter Overview The C16QS module RF overall specifications include the following sections: ✓ Working frequency ✓ GNSS Performances ✓ Antenna requirements 4.2 Working Frequency Table 4-1 RF frequency table Frequency band Uplink frequency...

  • Page 48: Gnss Performances

    758 MHz - 803 MHz LTE B66 1710 MHz - 1780 MHz 2110 MHz - 2200 MHz 4.3 GNSS Performances C16QS Module GNSS performance parameters: Table 4-2 GNSS performance parameters Features Description Receiving Bands ✓ GPS L1/ Galileo E1 C/A: 1575.42 Mhz ✓...

  • Page 49: Antenna Requirements

    C16QS Hardware Manual 4.4 Antenna Requirements C16QS Module Antenna Design Requirements: Table 4-3 Antenna indicator requirements Frequency Standing wave Antenna Effectiveness band ratio gain B1 FDD <2:1 >16.5 <-88 〉-2.5dbi 〉40% B2 FDD <2:1 >16.5 <-88 〉-2.5dbi 〉40% B3 FDD <2:1...

  • Page 50: Interface Electrical Characteristics

    -45°C 90°C 5.3 Electrostatic Property There is no overvoltage protection inside the C16QS module. The ESD protection is required when the module is used to ensure product quality. ESD design recommendations: ✓ The USB port needs to add TVS on VDD, D+, D- for protection, and the TVS parasitic capacitance on D+/D- is <2pF...

  • Page 51: Module Io Level

    ±4 ±8 USIM interface ±4 ±8 VBAT power supply ±4 ±8 5.4 Module IO Level The C16QS module IO levels are as follows: Table 5-4 Electrical Characteristics of C16QS module Parameter Description Minimum Maximum High level input 0.65* VDD_EXT VDD_EXT+0.3V...

  • Page 52: Power Supply

    C16QS Hardware Manual 5.5 Power Supply The C16QS module input power requirements are as follows: Table 5-5 C16QS module Operating Voltage Parameter Minimum value Typical value Maximum value Input Voltage 3.4V 3.7V 4.2V The power-on time of any interface of the module must not be earlier than the boot time of the module, otherwise the module may be abnormal or damaged.
  • Page 53 C16QS Hardware Manual Band 66 -98.25 Band 1 Band 3 Band 5 CAT 1.bis Band 8 A.N. Bands Band 18 (GNSS off) Band 19 Band 26 Band 28 Band 2 Band 3 CAT 1.bis L.A. Bands Band 4 (GNSS off)
  • Page 54 C16QS Hardware Manual Band 28 Band 66 Powering GNSS Tracking Power Saving Mode µA www.cavliwireless.com...

  • Page 55: Structural And Mechanical Properties

    C16QS Hardware Manual Structural and Mechanical Properties 6.1 Chapter Overview ✓ Module structural image ✓ Module mechanical size 6.2 Module Structural Image The figure below shows the top and bottom view of the module. Figure 26 Top view and bottom view of the module...

  • Page 56: C16Qs Module Mechanical Size

    C16QS Hardware Manual 6.2 C16QS Module Mechanical Size The figure below shows the bottom view size of the module: Figure 27 Front view and side view of the module (unit: mm) www.cavliwireless.com...

  • Page 57: Figure 28 Bottom View Of The Module (Unit: Mm)

    C16QS Hardware Manual Figure 28 Bottom view of the module (unit: mm) www.cavliwireless.com...

  • Page 58: Figure 29 Recommended Footprint (Top View) (Unit: Mm)

    C16QS Hardware Manual Module recommended footprint: Figure 29 Recommended Footprint (Top View) (unit: mm) www.cavliwireless.com...

  • Page 59: Ordering Information

    C16QS Hardware Manual Ordering Information Figure 30 Ordering Information www.cavliwireless.com...
  • Page 60 C16QS Hardware Manual Table 7-1 Ordering Information Part Number Package Type Tape width Tolerance C16QS-EA-S00N Tape & Reel 44mm 0.2 mm C16QS-EA-S00H Tape & Reel 44mm 0.2 mm C16QS-EA-GNAN Tape & Reel 44mm 0.2 mm C16QS-EA-GNAH Tape & Reel 44mm 0.2 mm...

  • Page 61: Packaging And Production

    ✓ Module packaging and storage ✓ Production welding 8.2 Module Packaging and Storage The C16QS module is packaged in a tape reel with 500 pcs per reel, shipped as a tape reel sealed bag. Figure 31 C16QS Tape Measurements (in mm) www.cavliwireless.com...

  • Page 62: Figure 32 Reel Dimensions Of C16Qs (In Mm)

    C16QS Hardware Manual Figure 32 Reel Dimensions of C16QS (in mm) The storage of the C16QS module is subject to the following conditions: ✓ The module has a moisture sensitivity rating of 3. ✓ When the ambient temperature is greater than 40 degrees Celsius and the air humidity is less than 90%, the module can be stored in a vacuum sealed bag for 12 months.

  • Page 63: Production Welding

    C16QS Hardware Manual 8.3 Production Welding The C16QS module is packaged in an anti-static tray. The SMT wire body needs to be equipped with a Tray module. It is recommended to use a reflow oven above 7 temperature zones. ✓ To ensure the quality of the module paste, the thickness of the stencil corresponding to the pad portion of the C16QSmodule is recommended to be 0.18 mm.
  • Page 64 C16QS Hardware Manual Table 8-1 Reflow Process Parameter Table Warm zone Time Key parameter Preheating zone Heating rate: 1℃/ s ~ 3℃ / s (4℃~ 165℃) （t1～t2）： Temperature zone 70s～120s (160℃～210℃) Recirculation zone Peak temperature: 235℃~ 245 ℃ （t3～t4）： (> 217 ℃) 40s～60s...

  • Page 65: Warnings

    C16QS Hardware Manual Warnings 9.1 CE EU Conformity Statement HEREBY, CAVLI INC DECLARES THAT THE EQUIPMENT TYPE LTE MODEM, MODEL C16QS IS IN COMPLIANCE WITH DIRECTIVE 2014/53/EU MANUFACTURER ADDRESS: 99 SOUTH ALMADEN BLVD., SUITE 600, SAN JOSE, CA 95113 UNITED STATES.

  • Page 66: Fcc Warnings

    C16QS Hardware Manual Information for OEM Manager This device is intended only for OEM integrators under the following conditions (1) The antenna must be installed such that 20cm is maintained between the antenna and the users (2) The transmitter module may not be co-located with any other transmitter or antenna End product labelling The label for end product must include “Contains IC: IC:3113-C16QSNA...

  • Page 67: Fcc Radiation Exposure Statement

    C16QS Hardware Manual NOTE • This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. • These limits are designed to provide reasonable protection against harmful interference in a residential installation.

  • Page 68: Validity Of Using The Module Certification

    C16QS Hardware Manual 9.4.4 Validity of using the module certification In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization for this module in combination with the host equipment is no longer considered valid and the FCC ID of the module cannot be used on the final product.
  • Page 69 C16QS Hardware Manual Explanation: The EUT needs an external Antenna. 9.4.8.3 Limited module procedures If a modular transmitter is approved as a “limited module,” then the module manufacturer is responsible for approving the host environment that the limited module is used with. The manufacturer of a limited module...
  • Page 70 C16QS Hardware Manual 9.4.8.5 RF exposure considerations It is essential for module grantees to clearly and explicitly state the RF exposure conditions that permit a host product manufacturer to use the module. Two types of instructions are required for RF exposure information: (1) to the host product manufacturer, to define the application conditions (mobile, portable –...
  • Page 71 C16QS Hardware Manual The grantee should provide information on how to configure test modes for host product evaluation for different operational conditions for a stand-alone modular transmitter in a host, versus with multiple, simultaneously transmitting modules or other transmitters in a host.
  • Page 72 C16QS Hardware Manual Appendix 10.1 Chapter Overview ✓ Abbreviations ✓ Safety and precautions 10.2 Abbreviations Table 9-1 Abbreviations Abbreviations Full name 3GPP Third Generation Partnership Project Access Point Adaptive Multi-rate Bit Error Rate China Compulsory Certification CDMA Code Division Multiple Access...
  • Page 73 C16QS Hardware Manual EDGE Enhanced Data Rate for GSM Evolution European Union Electromagnetic Compatibility Electrostatic Discharge Federal Communications Commission GPRS General Packet Radio Service Global System for Mobile Communication HSDPA High-Speed Downlink Packet Access HSPA Enhanced High Speed Packet Access...
  • Page 74 C16QS Hardware Manual Transmitting Direction UART Universal Asynchronous Receiver-Transmitter UMTS Universal Mobile Telecommunications System USIM Universal Subscriber Identity Module USSD Unstructured Supplementary Service Data VSWR Voltage Standing Wave Ratio WCDMA Wideband Code Division Multiple Access WWAN Wireless Wide Area Network 10.3 Safety and Precautions...

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