FRAMERY EG21-G USER MANUAL FRAMERY User Manual Module Date: 2020-02-09 www.frameryacoustics.
FRAMERY EG21-G USER MANUAL Framey Patamäenkatu 7, 33900 Tampere, Finland Info framery.com GENERAL NOTES PRODUCT IS ONLY FOR FRAMERY PRODUCT USE COPYRIGHT THE INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF FRAMERY. TRANSMITTING, REPRODUCTION, DISSEMINATION AND EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THE CONTENT ARE FORBIDDEN WITHOUT PERMISSION.
FRAMERY EG21-G USER MANUAL 1 2 3 4 5 6 7 Introduction .................................................................................................................................................7 1.1. Safety Information.............................................................................................................................8 1.2 FCC and IC Compliance information................................................................................................9 Product Concept ..
FRAMERY EG21-G USER MANUAL 8 7.1. Storage ...........................................................................................................................................51 7.2. Manufacturing and Soldering .........................................................................................................52 7.3. Packaging .......................................................................................................................................53 Appendix A References...........
FRAMERY EG21-G USER MANUAL Table Index Table 1 Frequency Bands of EG21-G................................................................................................................11 Table 2 Key Features of EG21-G ......................................................................................................................12 Table 3 I/O Parameters Definition ......................................................................................................................
FRAMERY EG21-G USER MANUAL Figure 11 Tape Specifications............................................................................................................................53 Figure 12 Tape and Reel Specifications ............................................................................................................54 Figure 13 Tape and Reel Directions ..................................................................................................................
FRAMERY EG21-G USER MANUAL 1 Introduction This document defines EG21-G module and describes its air interfaces and hardware interfaces which are connected with Framery applications. This document can help quickly understand module interface specifications, electrical and mechanical details as well as other related information of EG21-G module. To facilitate its application in different fields, relevant design.
FRAMERY EG21-G USER MANUAL 1.1. Safety Information The following safety precautions must be observed during all phases of operation, such as usage, service or repair of any cellular terminal or mobile incorporating EG21-G module. Manufacturers of the cellular terminal should send the following safety information to users and operating personnel and incorporate these guidelines into all manuals supplied with the product.
FRAMERY EG21-G USER MANUAL 1.2 FCC and IC Compliance information Certification Requirements. According to the definition of mobile and fixed device is described in FCC Part 2.1093, this device is a portable device. The following conditions must be met: 1. This Modular Approval is limited to OEM installation for portable and fixed applications only.
FRAMERY EG21-G USER MANUAL 5. The host end product must include a user manual that clearly defines operating requirements and conditions that must be observed to ensure compliance with current FCC RF exposure guidelines. For portable devices, in addition to the conditions described above, a separate approval is required to satisfy the SAR requirements of FCC Part 2.
FRAMERY EG21-G USER MANUAL The host product shall be properly labeled to identify the modules within the host product.
FRAMERY EG21-G USER MANUAL 2.2. Key Features The following table describes the detailed features of EG21-G module. Table 2 Key Features of EG21-G Feature Details Power Supply Supply voltage: 3.3V~4.3V Typical supply voltage: 3.
FRAMERY EG 21-G USER MANUAL Internet Protocol Features Support TCP/UDP/PPP/FTP/HTTP/NTP/PING/QMI/NITZ/CMUX*/HTTPS*/ SMTP/MMS*/FTPS*/SMTPS*/SSL*/FILE* protocols Support PAP (Password Authentication Protocol) and CHAP (Challenge Handshake Authentication Protocol) protocols which are usually used for PPP connections SMS Text and PDU mode Point to point MO and MT SMS cell broadcast SMS storage: ME by default (U)SIM Interface Support USIM/SIM card: 1.8V, 3.
FRAMERY EG 21-G USER MANUAL Antenna Interfaces Including main antenna interface (ANT_MAIN), Rx-diversity antenna interface (ANT_DIV) and GNSS antenna interface (ANT_GNSS) Physical Characteristics Size: (29.0±0.15) mm × (32.0±0.15)mm × (2.4±0.2)mm Weight: approx. 4.
FRAMERY EG21-G USER MANUAL Figure 1 Functional Diagram
FRAMERY EG21-G USER MANUAL 3 Application Interfaces 3.1. General Description EG21-G is equipped with 144 LGA pads that can be connected to cellular application platform.
FRAMERY EG21-G USER MANUAL 3.2. Pin Assignment The following figure shows the pin assignment of EG21-G module.
FRAMERY EG21-G USER MANUAL 3.3. Pin Description The following tables show the pin definition of EG21-G. Table 3 I/O Parameters Definition Type Description AI Analog input AO Analog output DI Digital input DO Digital output IO Bidirectional OD Open drain PI Power input PO Power output Table 4 Pin Description Power Supply Pin Name VBAT_BB VBAT_RF VDD_EXT GND Pin No.
FRAMERY EG21-G USER MANUAL Turn on/off Pin Name PWRKEY RESET_N Pin No. Description DC Characteristics Comment Turn on/off the module VIHmax=2.1V VIHmin=1.3V VILmax=0.5V The output voltage is 0.8V because of the diode drop in the Qualcomm chipset. DI Reset the module VIHmax=2.1V VIHmin=1.3V VILmax=0.5V If unused, keep it open. I/O Description DC Characteristics Comment OD Indicate the module operating status The drive current should be less than 0.9mA.
FRAMERY EG21-G USER MANUAL Pin Name Pin No. USIM_GND 10 I/O Description DC Characteristics Specified ground for (U)SIM card Comment Connect (U)SIM card connector GND. For 1.8V (U)SIM: Vmax=1.9V Vmin=1.7V USIM_VDD 14 PO Power supply for (U)SIM card For 3.0V (U)SIM: Vmax=3.05V Vmin=2.7V Either 1.8V or 3.0V is supported by the module automatically.
FRAMERY EG21-G USER MANUAL Pin Name Pin No. I/O Description DC Characteristics Comment RI 62 DO Ring indicator VOLmax=0.45V VOHmin=1.35V 1.8V power domain. If unused, keep it open. DO Data carrier detection VOLmax=0.45V VOHmin=1.35V 1.8V power domain. If unused, keep it open. Clear to send VOLmax=0.45V VOHmin=1.35V 1.8V power domain. If unused, keep it open. Request to send VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V 1.8V power domain. If unused, keep it open.
FRAMERY EG21-G USER MANUAL analog to digital converter ADC1 0.3V to VBAT_BB open. Voltage range: 0.3V to VBAT_BB If unused, keep it open. 44 AI General purpose analog to digital converter Pin No. I/O Description DC Characteristics Comment 1.8V power domain. If unused, keep it open. PCM Interface Pin Name PCM_IN 24 DI PCM data input VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V PCM_OUT 25 DO PCM data output VOLmax=0.45V VOHmin=1.
FRAMERY EG21-G USER MANUAL VOHmin=1.4V VILmin=-0.3V VILmax=0.58V VIHmin=1.27V VIHmax=2.0V 3.0V signaling: VOLmax=0.38V VOHmin=2.01V VILmin=-0.3V VILmax=0.76V VIHmin=1.72V VIHmax=3.34V SDC2_ DATA2 SDC2_ DATA1 29 30 IO IO SD card SDIO bus DATA2 SD card SDIO bus DATA1 1.8V signaling: VOLmax=0.45V VOHmin=1.4V VILmin=-0.3V VILmax=0.58V VIHmin=1.27V VIHmax=2.0V 3.0V signaling: VOLmax=0.38V VOHmin=2.01V VILmin=-0.3V VILmax=0.76V VIHmin=1.72V VIHmax=3.34V 1.8V signaling: VOLmax=0.45V VOHmin=1.
FRAMERY EG21-G USER MANUAL SDC2_ DATA0 SDC2_CLK SDC2_CMD SD_INS_ DET 31 32 33 23 IO DO IO DI SD card SDIO bus DATA0 SD card SDIO bus clock SD card SDIO bus command SD card insertion detect 1.8V signaling: VOLmax=0.45V VOHmin=1.4V VILmin=-0.3V VILmax=0.58V VIHmin=1.27V VIHmax=2.0V 3.0V signaling: VOLmax=0.38V VOHmin=2.01V VILmin=-0.3V VILmax=0.76V VIHmin=1.72V VIHmax=3.34V 1.8V signaling: VOLmax=0.45V VOHmin=1.4V 3.0V signaling: VOLmax=0.38V VOHmin=2.01V 1.8V signaling: VOLmax=0.
FRAMERY EG21-G USER MANUAL VDD_SDIO 34 SD card SDIO bus pull-up power IOmax=50mA 1.8V/2.85V configurable. Cannot be used for SD card power. If unused, keep it open. DI BT UART request to send VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V 1.8V power domain. If unused, keep it open. DO BT UART transmit data VOLmax=0.45V VOHmin=1.35V 1.8V power domain. If unused, keep it open. BT UART receive data VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V 1.8V power domain. If unused, keep it open.
FRAMERY EG21-G USER MANUAL the module. If unused, keep it open. W_DISABLE# 4 AP_READY 2 1.8V power domain. Pull-up by default. In low voltage level, module can enter into airplane mode. If unused, keep it open. DI Airplane mode control VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V DI Application processor sleep state detection VILmin=-0.3V VILmax=0.6V VIHmin=1.2V VIHmax=2.0V 1.8V power domain. If unused, keep it open.
FRAMERY EG21-G USER MANUAL Table 5 Overview of Operating Modes Mode Normal Operation Details Idle Software is active. The module has registered on the network, and it is ready to send and receive data. Talk/Data Network connection is ongoing. In this mode, the power consumption is decided by network setting and data transfer rate. Minimum Functionality Mode AT+CFUN command can set the module to a minimum functionality mode without removing the power supply.
FRAMERY EG21-G USER MANUAL 3.5.2. Design for Power Supply Power design for the module is very important, as the performance of the module largely depends on the power source. The power supply should be able to provide sufficient current up to 2A at least. If the voltage drop between the input and output is not too high, it is suggested that an LDO should be used to supply power for the module.
FRAMERY EG21-G USER MANUAL 3.6. Power-on and off Scenarios 3.6.1. Turn on Module Using the PWRKEY The following table shows the pin definition of PWRKEY. Table 7 Pin Definition of PWRKEY Pin Name PWRKEY Pin No. 21 I/O DI Description Comment Turn on/off the module The output voltage is 0.8V because of the diode drop in the Qualcomm chipset. When EG21-G is in power-down mode, it can be turned on to normal mode by driving the PWRKEY pin to a low level for at least 500ms.
FRAMERY EG21-G USER MANUAL 3.6.2. Turn off Module The following procedures can be used to turn off the module: Normal power-down procedure: Turn off the module using the PWRKEY pin. Normal power-down procedure: Turn off the module using AT+QPOWD command. 3.7. Reset the Module The RESET_N pin can be used to reset the module. The module can be reset by driving RESET_N to a low level voltage for time between 150ms and 460ms. Table 8 RESET_N Pin Description Pin Name Pin No.
FRAMERY EG21-G USER MANUAL USIM_GND 10 Specified ground for (U)SIM card EG21-G supports (U)SIM card hot-plug via the USIM_PRESENCE pin. The function supports low level and high level detections and is disabled by default. The following figure shows a reference design for (U)SIM interface with an 8-pin (U)SIM card connector. Figure 6 Reference Circuit of (U)SIM Interface with an 8-Pin (U)SIM Card Connector If (U)SIM card detection function is not needed, please keep USIM_PRESENCE unconnected.
FRAMERY EG21-G USER MANUAL 3.9. USB Interface EG21-G contains one integrated Universal Serial Bus (USB) interface which complies with the USB 2.0 specification and supports high-speed (480Mbps) and full-speed (12Mbps) modes. The USB interface is used for AT command communication, data transmission, software debugging, firmware upgrade and voice over USB*. The following table shows the pin definition of USB interface. Table 10 Pin Description of USB Interface Pin Name Pin No.
FRAMERY EG21-G USER MANUAL The USB interface is recommended to be reserved for firmware upgrade in customers’ designs. The following figure shows a reference circuit of USB interface. Figure 8 Reference Circuit of USB Application A common mode choke L1 is recommended to be added in series between the module and customer’s MCU in order to suppress EMI spurious transmission.
FRAMERY EG21-G USER MANUAL 3.10. UART Interfaces The module provides two UART interfaces: the main UART interface and the debug UART interface. The following shows their features. The main UART interface supports 4800bps, 9600bps, 19200bps, 38400bps, 57600bps, 115200bps, 230400bps, 460800bps and 921600bps baud rates, and the default is 115200bps. This interface is used for data transmission and AT command communication. The debug UART interface supports 115200bps baud rate.
FRAMERY EG21 G USER MANUAL The logic levels are described in the following table. Table 13 Logic Levels of Digital I/O Parameter Min. Max. Unit VIL -0.3 0.6 V VIH 1.2 2.0 V VOL 0 0.45 V VOH 1.35 1.8 V The module provides 1.8V UART interface. A level translator should be used if customers’ application is equipped with a 3.3V UART interface. A level translator TXS0108EPWR provided by Texas Instruments is recommended. The following figure shows a reference design.
FRAMERY EG21 G USER MANUAL 512kHz, 1024kHz or 2048kHz PCM_CLK at 8kHz PCM_SYNC, and also supports 4096kHz PCM_CLK at 16kHz PCM_SYNC. In auxiliary mode, the data is sampled on the falling edge of the PCM_CLK and transmitted on the rising edge. The PCM_SYNC rising edge represents the MSB. In this mode, the PCM interface operates with a 256kHz, 512kHz, 1024kHz or 2048kHz PCM_CLK and an 8kHz, 50% duty cycle PCM_SYNC. EG21-G supports 16-bit linear data format.
FRAMERY EG21 G USER MANUAL Table 15 Pin Definition of ADC Interfaces Pin Name Pin No. Description ADC0 45 General purpose analog to digital converter ADC1 44 General purpose analog to digital converter The following table describes the characteristic of the ADC function. Table 16 Characteristic of ADC Parameter Min. ADC0 Voltage Range ADC1 Voltage Range ADC Resolution Typ. Max. Unit 0.3 VBAT_BB V 0.
FRAMERY EG21 G USER MANUAL 3.13. USB_BOOT Interface EG21-G provides a USB_BOOT pin. Customers can pull up USB_BOOT to VDD_EXT before powering on the module, thus the module will enter into emergency download mode when powered on. In this mode, the module supports firmware upgrade over USB interface. Table 17 Pin Definition of USB_BOOT Interface Pin Name USB_BOOT 4 Pin No. 115 I/O DI Description Comment Force the module to enter into emergency download mode 1.8V power domain. Active high.
FRAMERY EG21 G USER MANUAL 4.1.2.
FRAMERY EG21 G USER MANUAL WCDMA B2 1850~1910 1930~1990 MHz WCDMA B4 1710~1755 2110~2155 MHz WCDMA B5 824~849 869~894 MHz WCDMA B6 830~840 875~885 MHz WCDMA B8 880~915 925~960 MHz WCDMA B19 830~845 875~890 MHz LTE-FDD B1 1920~1980 2110~2170 MHz LTE-FDD B2 1850~1910 1930~1990 MHz LTE-FDD B3 1710~1785 1805~1880 MHz LTE-FDD B4 1710~1755 2110~2155 MHz LTE-FDD B5 824~849 869~894 MHz LTE-FDD B7 2500~2570 2620~2690 MHz LTE-FDD B8 880~915 925~960 MHz LTE-FDD B12
FRAMERY EG21-G USER MANUAL 4.1.3. Reference Design of RF Antenna Interface A reference design of ANT_MAIN and ANT_DIV antenna pads is shown as below. A π-type matching circuit should be reserved for better RF performance. The capacitors are not mounted by default.
FRAMERY EG21-G USER MANUAL 4.2. Antenna Installation 4.2.1. Antenna Requirement The following table shows the requirements on main antenna and Rx-diversity antenna. Table 20 Antenna Requirements Type Requirements VSWR: ≤2 GSM/UMTS/LTE 5 Gain (dBi): 1 Max input power (W): 50 Input impedance (Ω): 50 Polarization type: Vertical Cable insertion loss: <1dB (GSM850, EGSM900, WCDMA B5/B6/B8/B19, LTE B5/B8/B12/B13/B18/B19/B20/B26/B28) Cable insertion loss: <1.
FRAMERY EG21-G USER MANUAL Parameter Min. Max. Unit VBAT_RF/VBAT_BB -0.3 4.7 V USB_VBUS -0.3 5.5 V Peak Current of VBAT_BB 0 0.8 A Peak Current of VBAT_RF 0 1.8 A Voltage at Digital Pins -0.3 2.
FRAMERY EG21-G USER MANUAL 5.2. Power Supply Ratings Table 22 The Module Power Supply Ratings Parameter Description Conditions Min. Typ. Max. Unit VBAT_BB and VBAT_RF The actual input voltages must stay between the minimum and maximum values. 3.3 3.8 4.3 V Voltage drop during burst transmission Maximum power control level on EGSM900. 400 mV IVBAT Peak supply current (during transmission slot) Maximum power control level on EGSM900. 1.8 2.0 A USB_VBUS USB detection 5.0 5.
FRAMERY EG21-G USER MANUAL 5.4. RF Output Power The following table shows the RF output power of EG21-G module. Table 24 RF Output Power Frequency Max. Min. GSM850/EGSM900 33dBm±2dB 5dBm±5dB DCS1800/PCS1900 30dBm±2dB 0dBm±5dB DCS1800/PCS1900 (8-PSK) 26dBm±3dB 0dBm±5dB GSM850/EGSM900 33dBm±2dB 5dBm±5dB WCDMA B1/B2/B4/B5/B6/B8/B19 24dBm+1/-3dB <-49dBm LTE-FDD B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28 23dBm±2dB <-39dBm LTE-TDD B38/B39/B40/B41 23dBm±2dB <-39dBm 5.5.
FRAMERY EG21-G USER MANUAL PCS1900MHz -107.5dBm NA NA -102dBm WCDMA B1 -108.2dBm -108.5dBm -109.2dBm -106.7dBm WCDMA B2 -109.5dBm -109dBm -110dBm -104.7dBm WCDMA B4 -109.5dBm NA NA -106.7dBm WCDMA B5 -109.2dBm -109.5dBm -110.4dBm -104.7dBm WCDMA B6 -109dBm -109.5dBm -110.5dBm -106.7dBm WCDMA B8 -109.5dBm NA NA -103.7dBm WCDMA B19 -109dBm -109.5dBm -110.1dBm -106.7dBm LTE-FDD B1 (10M) -97.3dBm -98.3dBm -99.5dBm -96.3dBm LTE-FDD B2 (10M) -98dBm -99dBm -99.
FRAMERY EG21-G USER MANUAL LTE-TDD B40 (10M) -97.8dBm -97.5dBm -99.2dBm -96.3dBm LTE-TDD B41 (10M) -97.3dBm -97.4dBm -99dBm -94.3dBm 5.6. Electrostatic Discharge The module is not protected against electrostatics discharge (ESD) in general. Consequently, it is subject to ESD handling precautions that typically apply to ESD sensitive components.
FRAMERY EG21-G USER MANUAL The heatsink should be designed with as many fins as possible to increase heat dissipation area. Meanwhile, a thermal pad with high thermal conductivity should be used between the heatsink and module/PCB. 6 Mechanical Dimensions This chapter describes the mechanical dimensions of the module. All dimensions are measured in mm. The tolerances for dimensions without tolerance values are ±0.05mm. 6.1.
FRAMERY EG21-G USER MANUAL Figure 42: Module Bottom Dimensions (Bottom View 7.2.
FRAMERY EG21-G USER MANUAL 7.3.
FRAMERY EG21-G USER MANUAL 7 Storage, Manufacturing and Packaging 7.1. Storage EG21-G is stored in a vacuum-sealed bag. It is rated at MSL 3, and its storage restrictions are listed below. 1. Shelf life in vacuum-sealed bag: 12 months at <40ºC/90%RH. 2. After the vacuum-sealed bag is opened, devices that will be subjected to reflow soldering or other high temperature processes must be: ● Mounted within 168 hours at the factory environment of ≤30ºC/60%RH. ● Stored at <10% RH. 3.
FRAMERY EG21-G USER MANUAL 7.2. Manufacturing and Soldering Push the squeegee to apply the solder paste on the surface of stencil, thus making the paste fill the stencil openings and then penetrate to the PCB. The force on the squeegee should be adjusted properly so as to produce a clean stencil surface on a single pass. To ensure the module soldering quality, the thickness of stencil for the module is recommended to be 0.13mm~0.15mm.
FRAMERY EG21-G USER MANUAL Reflow time (D: over 220°C) 40 to 60 sec Max temperature 240°C ~ 245°C Cooling down slope 1 to 4°C/sec Reflow Cycle Max reflow cycle 1 NOTES During manufacturing and soldering, or any other processes that may contact the module directly, NEVER wipe the module’s shielding can with organic solvents, such as acetone, ethyl alcohol, isopropyl alcohol, trichloroethylene, etc. Otherwise, the shielding can may become rusted.
FRAMERY EG21-G USER MANUAL Figure 12 Tape and Reel Specifications Figure 13 Tape and Reel Directions
FRAMERY EG21-G USER MANUAL 8 Appendix A References Table 28 Terms and Abbreviations Abbreviation Description AMR Adaptive Multi-rate bps Bits Per Second CHAP Challenge Handshake Authentication Protocol CS Coding Scheme
FRAMERY EG 21-G USER MANUAL CSD Circuit Switched Data CTS Clear To Send DC-HSPA+ Dual-carrier High Speed Packet Access DFOTA Delta Firmware Upgrade Over The Air DL Downlink DTR Data Terminal Ready DTX Discontinuous Transmission EFR Enhanced Full Rate ESD Electrostatic Discharge FDD Frequency Division Duplex FR Full Rate GSM Global System for Mobile Communications HR Half Rate HSPA High Speed Packet Access HSDPA High Speed Downlink Packet Access HSUPA High Speed Uplink Packet
FRAMERY EG 21-G USER MANUAL MIMO Multiple Input Multiple Output MO Mobile Originated MS Mobile Station (GSM engine) MT Mobile Terminated PAP Password Authentication Protocol PCB Printed Circuit Board PDU Protocol Data Unit PF Paging Frame PPP Point-to-Point Protocol QAM Quadrature Amplitude Modulation QPSK Quadrature Phase Shift Keying RF Radio Frequency RHCP Right Hand Circularly Polarized Rx Receive SGMII Serial Gigabit Media Independent Interface SIM Subscriber Identificat
FRAMERY EG 21-G USER MANUAL (U)SIM (Universal) Subscriber Identity Module Vmax Maximum Voltage Value Vnorm Normal Voltage Value Vmin Minimum Voltage Value VIHmax Maximum Input High Level Voltage Value VIHmin Minimum Input High Level Voltage Value VILmax Maximum Input Low Level Voltage Value VILmin Minimum Input Low Level Voltage Value VImax Absolute Maximum Input Voltage Value VImin Absolute Minimum Input Voltage Value VOHmax Maximum Output High Level Voltage Value VOHmin Minimum Out
