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5G Module Series

RM500Q-GL Hardware Design

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4.4. PCM Interface

RM500Q-GL supports audio communication via Pulse Code Modulation (PCM) digital interface. The PCM

interface supports the following modes:

⚫

Primary mode (short frame synchronization): the module works as both master and slave

⚫

Auxiliary mode (long frame synchronization): the module works as master only

In primary mode, the data is sampled on the falling edge of the PCM_CLK and transmitted on the rising

edge. The PCM_SYNC falling edge represents the MSB. In this mode, the PCM interface supports

256 kHz, 512 kHz, 1024 kHz or 2048 kHz PCM_CLK at 8 kHz PCM_SYNC, and also supports 4096 kHz

PCM_CLK at 16 kHz 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, PCM interface operates with a

256 kHz PCM_CLK and an 8 kHz, 50 % duty cycle PCM_SYNC only.

The module supports 16-bit linear data format. The following figures show the primary mod

e’s timing

relationship with 8 kHz PCM_SYNC and 2048 kHz PCM_CLK, as well as the auxili

ary mode’s timing

relationship with 8 kHz PCM_SYNC and 256 kHz PCM_CLK.

PCM_CLK

PCM_SYNC

PCM_DOUT

MSB

LSB

MSB

125

256

255

PCM_DIN

MSB

LSB

MSB

Figure 22: Primary Mode Timing

Содержание 5G Module Series

Страница 1: ...RM500Q GL Hardware Design 5G Module Series Version 1 1 Date 2021 03 10 Status Released www quectel com...

Страница 2: ...notice Disclaimer While Quectel has made efforts to ensure that the functions and features under development are free from errors it is possible that these functions and features could contain errors...

Страница 3: ...uectel Transmitting reproducing disseminating and editing this document as well as using the content without permission are forbidden Offenders will be held liable for payment of damages All rights ar...

Страница 4: ...s devices may cause interference on sensitive medical equipment so please be aware of the restrictions on the use of wireless devices when in hospitals clinics or other healthcare facilities Cellular...

Страница 5: ...e temperature range of the module 7 Updated I O parameter definitions and deleted M 2 Socket 2 PCIe based Pinout descriptions in Chapter 2 6 8 Updated the description of turn on turn off reset timing...

Страница 6: ...es 24 3 1 1 Sleep Mode 24 3 1 2 Airplane Mode 26 3 2 Communication Interface with a Host 26 3 3 Power Supply 27 3 3 1 Decrease Voltage Drop 27 3 3 2 Reference Design for Power Supply 28 3 3 3 Monitor...

Страница 7: ...3 Operating Frequency 57 5 1 4 Receiving Sensitivity 59 5 1 5 Output Power 61 5 2 GNSS Antenna Interface 62 5 2 1 General Description 62 5 2 2 GNSS Frequency 62 5 2 3 GNSS Performance 63 5 3 Antenna...

Страница 8: ..._Hardware_Design 7 85 6 7 Operating and Storage Temperatures 78 7 Mechanical Dimensions and Packaging 79 7 1 Mechanical Dimensions of the Module 79 7 2 Top and Bottom Views of the Module 80 7 3 M 2 Co...

Страница 9: ...rn on Timing of the Module 46 Table 19 Pin Definition of PCM Interface 48 Table 20 Pin Definition of Control and Indication Interfaces 49 Table 21 RF Function Status 49 Table 22 GNSS Function Status 5...

Страница 10: ...V I O Requirements 75 Table 43 U SIM 3 0V I O Requirements 76 Table 44 Electrostatic Discharge Characteristics Temperature 25 C Humidity 40 76 Table 45 Absolute Maximum Ratings 78 Table 46 Operating a...

Страница 11: ...B 3 1 2 0 Interface 41 Figure 19 PCIe Interface Reference Circuit 44 Figure 20 PCIe Power on Timing Requirements of M 2 Specification 45 Figure 21 PCIe Power on Timing of the Module 46 Figure 22 Prima...

Страница 12: ...in different fields reference design is also provided for reference Coupled with application notes and user guides you can easily design and set up mobile applications with RM500Q GL You can also view...

Страница 13: ...feature interface pin name AT command or argument it indicates that the function feature interface pin name AT command or argument is under development and currently not supported unless otherwise spe...

Страница 14: ...or industrial and commercial applications only RM500Q GL supports embedded operating systems such as Windows Linux and Android and also provides GNSS and voice functionality to meet specific applicati...

Страница 15: ...ss C 1 8 V U SIM1 and U SIM2 interfaces Dual SIM Single Standby USB Interface Compliant with USB 3 1 and 2 0 specifications with maximum transmission rates up to 10 Gbps on USB 3 1 and 480 Mbps on USB...

Страница 16: ...n78 n79 SA on all the 5G bands Option 3x 3a 3 and Option 2 Max transmission data rates 5 NSA 2 5 Gbps DL 650 Mbps UL SA 2 1 Gbps DL 900 Mbps UL LTE Features Supports 3GPP Rel 15 LTE Category DL Cat 1...

Страница 17: ...o establish and maintain functions such as voice SMS emergency call etc without any unrecoverable malfunction Radio spectrum and radio network are not influenced while one or more specifications such...

Страница 18: ...Diagram The following figure shows the functional diagram of RM500Q GL Power management Baseband LPDDR4X SDRAM NAND Flash Radio frequency M 2 Key B interface ANT0 ANT3 ANT2_GNSSL1 38 4MHz XO Qlink Co...

Страница 19: ...S_RX_P 37 USB_SS_RX_M 35 GND 33 USB_SS_TX_P 31 USB_SS_TX_M 29 GND 27 DPR 25 WAKE_ON_WAN 23 CONFIG_0 21 Notch Notch Notch Notch GND 11 USB_DM 9 USB_DP 7 GND 5 GND 3 CONFIG_3 1 PIN11 PIN10 No Pin Name 7...

Страница 20: ...ital Output DIO Digital Input Output OD Open Drain PI Power Input PO Power Output PU Pull Up PD Pull Down The following table shows the pin definition and description of RM500Q GL Table 5 Pin Descript...

Страница 21: ...ontrol Active LOW 1 8 3 3 V 9 USB_DM AIO USB 2 0 differential data 10 WWAN_LED DO OD RF status indication LED Active LOW 11 GND Ground 12 Notch Notch 13 Notch Notch 14 Notch Notch 15 Notch Notch 16 No...

Страница 22: ...U SIM1 card data USIM1_VDD 1 8 3 0 V 35 USB_SS_RX_M AI USB 3 1 super speed receive 36 USIM1_VDD PO Power supply for U SIM1 card USIM1_VDD 1 8 3 0 V 37 USB_SS_RX_P AI USB 3 1 super speed receive 38 SD...

Страница 23: ...control 1 8 V 59 LAA_TX_EN DO Notification from SDR to WLAN when LTE transmitting 1 8 V 60 WLAN_TX_EN DI Notification from WLAN to SDR while transmitting 1 8 V 61 ANTCTL1 DO PD Antenna GPIO control 1...

Страница 24: ...SIMDET 2 2 If this function is required please contact Quectel for more details 3 Keep all NC reserved and unused pins unconnected 69 CONFIG_1 DO Connected to GND internally 70 VCC PI Power supply Vmi...

Страница 25: ...dule has registered on the network and it is ready to send and receive data Talk Data Network is connected In this mode the power consumption is determined by network setting and data transfer rate Mi...

Страница 26: ...t be met to make the module enter sleep mode AT QSCLK 1 command is executed to enable the sleep mode Then the host s USB bus which is connected to the module s USB interface enters suspend state The f...

Страница 27: ...ument 4 It is suggested that USB 2 0 interface be reserved for firmware upgrade USB AT based PCIe Mode Supports MBIM QMI QRTR AT Communication can be switched back to USB mode by AT command When the m...

Страница 28: ...Ensure the continuous current capability of the power supply is 3 0 A To decrease the voltage drop energy storage capacitors of about 220 F with low ESR ESR 0 7 should be used and a multi layer ceram...

Страница 29: ...n input and output is not too big use an LDO when supplying power to the module If there is a big voltage difference between the input source and the desired output VCC 3 7 V typical a buck DC DC conv...

Страница 30: ...nt 4 3 4 Turn on FULL_CARD_POWER_OFF abbreviated as FCPO in this document is used to turn on off the module When the input signal is asserted HIGH 1 19 V the module will turn on This input signal is 3...

Страница 31: ...6 should be no less than 1 19 V when it is at high level Figure 8 Turn on the Module with a Host GPIO The timing of turn on scenario is illustrated by the following figure VCC FCPO 20 s Module power...

Страница 32: ...RFFE_VIO_1V8 VIL 0 5 V Turn off procedure Running OFF 1 8 V 3 7 V USIM_VDD VIH 1 19 V 1 8 V or 3 0 V 1 8 V Tturn off NOTES 1 The host GPIO pulls down FCPO to turn off the module 2 As shown by the dot...

Страница 33: ...odule Status FCPO RFFE_VIO_1V8 Turn off procedure Running OFF AT QPOWD USB PCIe removed 1 8 V 3 7 V VIH 1 19 V 1 8 V or 3 0 V 1 8 V USIM_VDD Tturn off NOTES 1 Please pull down FULL_CARD_POWER_OFF pin...

Страница 34: ...will also disconnect the modem from the network Table 12 Definition of RESET Pin The module can be reset by pulling down the RESET pin for 200 980 ms An open collector drain driver or button can be u...

Страница 35: ...g is illustrated by the following figure VCC H RESET Module Status FCPO H RFFE_VIO_1V8 Resetting Running Restarting 1 8 V 3 7 V USIM_VDD VIH 1 19 V 1 8 V or 3 0 V 1 8 V TRST USIM 200 ms TRST 980 ms NO...

Страница 36: ...Antenna tuner control interface Configuration pins 4 1 U SIM Interfaces The U SIM interfaces circuitry meets ETSI and IMT 2000 requirements Both Class B 3 0 V and Class C 1 8 V U SIM cards are suppor...

Страница 37: ...ot plug function 66 USIM1_DET 1 DI PU U SIM1 card hot plug detection 1 8 V 48 USIM2_VDD PO Power supply for U SIM2 card USIM2_VDD 1 8 3 0 V 42 USIM2_DATA DIO PU U SIM2 card data USIM2_VDD 1 8 3 0 V 44...

Страница 38: ...d when there is no U SIM card inserted U SIM card detection by high level is applicable to this type of connector After executing AT QSIMDET 1 1 to enable the U SIM hot plug when a U SIM card is inser...

Страница 39: ...nce Circuit for Normally Closed U SIM Card Connector 4 1 4 Normally Open U SIM Card Connector With a normally open U SIM card connector CD1 and CD2 of the connector are disconnected when there is no U...

Страница 40: ...tor in PCB layout Figure 16 Reference Circuit for Normally Open U SIM Card Connector 4 1 5 U SIM Card Connector Without Hot plug If U SIM card hot plug is not needed please keep USIM_DET unconnected A...

Страница 41: ...s are used to filter out RF interference For USIM_DATA a 10 20 k pull up resistor must be added near the U SIM card connector 4 2 USB Interface RM500Q GL provides one integrated Universal Serial Bus U...

Страница 42: ...0 data traces R1 R2 R3 and R4 must be placed close to the module and the stubs must be minimized in PCB layout You should follow the principles below when designing for the USB interface to meet USB 3...

Страница 43: ...o 8 Gbps per lane 4 3 1 PCIe Operating Mode RM500Q GL supports endpoint EP mode and root complex RC mode In EP mode the module is configured as a PCIe EP device In RC mode the module is configured as...

Страница 44: ...ace Pin No Pin Name I O Description Comment 55 PCIE_REFCLK_P AIO PCIe reference clock 100 MHz Require differential impedance of 85 53 PCIE_REFCLK_M AIO PCIe reference clock 49 PCIE_RX_P AI PCIe receiv...

Страница 45: ...Reference Circuit To ensure the signal integrity of PCIe interface AC coupling capacitors C3 and C4 should be placed close to the host on PCB C1 and C2 have been integrated inside the module so do not...

Страница 46: ...system power rail in PCI Express M 2 specification Figure 20 PCIe Power on Timing Requirements of M 2 Specification The following table is power up timing variables in PCI Express M 2 specification T...

Страница 47: ...19 V 1 8 V 3 7 V 1 8 V TFCPO PERST 100 ms TPERST CLK 100 us TVCC RST Figure 21 PCIe Power on Timing of the Module Table 18 PCIe Turn on Timing of the Module Symbol Min Typ Max Comment Tpower on 0 ms...

Страница 48: ...the PCM interface supports 256 kHz 512 kHz 1024 kHz or 2048 kHz PCM_CLK at 8 kHz PCM_SYNC and also supports 4096 kHz PCM_CLK at 16 kHz PCM_SYNC In auxiliary mode the data is sampled on the falling ed...

Страница 49: ...ble 19 Pin Definition of PCM Interface The clock and mode can be configured by AT command and the default configuration is slave mode using short frame synchronization format with 2048 kHz PCM_CLK and...

Страница 50: ...d or disabled through AT commands The following table shows the AT command and corresponding RF function status of the module Table 21 RF Function Status Pin No Pin Name I O Description DC Characteris...

Страница 51: ...ulled up to a 1 8 V voltage in the module as shown in the following figure so the control signals GPIO of the host device could be 1 8 V or 3 3 V voltage level W_DISABLE1 and W_DISABLE2 are active LOW...

Страница 52: ...D1 2 4 70 72 74 VCC Figure 25 WWAN_LED Reference Circuit The following table shows the RF status indicated by WWAN_LED signal Table 23 Network Status Indications of WWAN_LED 4 5 4 WAKE_ON_WAN The WAKE...

Страница 53: ...c Power Reduction pin for body SAR Specific Absorption Rate detection The signal is sent from the proximity sensor of a host system to RM500Q GL module to provide an input trigger which will reduce th...

Страница 54: ...tenna Tuner Control Interface The module provides ANTCTL 1 2 and RFFE pins used for antenna tuner control which should be routed to an appropriate antenna control circuit More details about the interf...

Страница 55: ...tion Pins of the Module 65 RFFE_VIO_1V8 1 PO Power supply for RFFE 1 8 V Maximum output current 50 mA 61 ANTCTL1 DO PD Antenna Control 1 8 V 63 ANTCTL2 DO PD 1 8 V Config_0 Pin 21 Config_1 Pin 69 Conf...

Страница 56: ...ce circuit for these four pins Host Module CONFIG_0 CONFIG_1 CONFIG_2 CONFIG_3 GPIO GPIO GPIO GPIO 21 69 75 1 VCC_IO_HOST R1 10k R2 10k R3 10k R4 10k NM 0 NM 0 NM 0 0 NOTE The voltage level of VCC_IO_...

Страница 57: ...na Connectors 1 1 NR TRX1 TX MIMO PRX MIMO NR DRX1 DRX MIMO 2 2 LTE UHB frequency range 3400 3800 MHz Pin Name I O Description Frequency ANT0 AIO Antenna 0 interface 5G NR n41 n77 n78 n79 TRX1 1 LTE L...

Страница 58: ...52 2690 3300 4200 4400 5000 ANT1 MHB PRX MIMO TRX0 DRX0 LTE MHB PRX MIMO LTE UHB DRX 2 LAA PRX 1452 2690 3300 4200 4400 5000 ANT2_ GNSSL1 MHB DRX MIMO DRX0 DRX1 1 LTE MHB DRX MIMO LTE UHB DRX MIMO 2 L...

Страница 59: ...G 1850 1915 1930 1995 B25 B26 814 849 859 894 B26 700 APAC 703 748 758 803 B28 n28 FLO 717 728 B29 WCS 2305 2315 2350 2360 B30 L band 1452 1496 B32 B34 2010 2025 2010 2025 B34 B38 2570 2620 2570 2620...

Страница 60: ...0 6 110 7 113 106 7 dBm WCDMA B5 112 1 113 4 115 104 7 dBm WCDMA B8 112 113 115 103 7 dBm WCDMA B19 112 2 113 115 104 7 dBm LTE LTE FDD B1 10 MHz 98 5 99 102 96 3 dBm LTE FDD B2 10 MHz 98 5 98 6 101 9...

Страница 61: ...MHz 97 3 98 3 100 8 96 3 dBm LTE TDD B40 10 MHz 97 8 97 9 100 9 96 3 dBm LTE TDD B41 10 MHz 98 4 98 101 94 3 dBm LTE TDD B42 10 MHz 98 8 96 2 100 3 95 dBm LTE TDD B43 10 MHz 99 96 2 100 6 95 dBm LTE T...

Страница 62: ...NR FDD n28 20 MHz SCS 15 kHz 97 98 99 5 90 8 dBm 5G NR TDD n38 20 MHz SCS 30 kHz 94 93 5 97 90 6 dBm 5G NR TDD n40 20 MHz SCS 30 kHz TBD TBD TBD 94 0 dBm 5G NR TDD n41 100 MHz SCS 30 kHz 83 5 83 5 87...

Страница 63: ...ia USB interface by default The GNSS engine is switched off by default It has to be switched on via AT command For more details about GNSS engine technology and configurations see document 6 5 2 2 GNS...

Страница 64: ...1 antennas 5 2 3 GNSS Performance The following table shows GNSS performance of RM500Q GL series module Table 36 GNSS Performance 1 Tracking sensitivity the minimum GNSS signal power at which the modu...

Страница 65: ...cuting cold start command 5 3 Antenna Connectors 5 3 1 Antenna Connector Location RM500Q GL has four antenna connectors ANT0 ANT1 ANT2_GNSSL1 and ANT3 which are shown below Figure 28 Antenna Connector...

Страница 66: ...ector Installation The receptacle RF connector used in conjunction with RM500Q GL will accept two types of mating plugs that will meet a maximum height of 1 2 mm using a 0 81 mm coaxial cable or a max...

Страница 67: ...gs using 0 81 mm coaxial cables Figure 30 Specifications of Mating Plugs Using 0 81 mm Coaxial Cables The following figure illustrates the connection between the receptacle RF connector on RM500Q GL a...

Страница 68: ...and the mating plug using a 1 13 mm coaxial cable Figure 32 Connection between RF Connector and Mating Plug Using 1 13 mm Coaxial Cable 5 3 4 Recommended RF Connector for Installation 5 3 4 1 Assembl...

Страница 69: ...coaxial cable plug is shown below 90 is acceptable while 90 is not Figure 34 Pull out a Coaxial Cable Plug 5 3 4 2 Assemble Coaxial Cable Plug with Jig The pictures of installing the coaxial cable plu...

Страница 70: ...enna and GNSS antenna Table 38 Antenna Requirements Type Requirements GNSS Frequency range 1559 1606 MHz Polarization RHCP or linear VSWR 2 typ Passive antenna gain 0 dBi WCDMA LTE 5G NR VSWR 3 Effici...

Страница 71: ...r supply requirements of RM500Q GL Table 39 Power Supply Requirement 6 2 Current Consumption Table 40 RM500Q GL Current Consumption Parameter Description Min Typ Max Unit VCC Power Supply 3 135 3 7 4...

Страница 72: ...B1 HSUPA CH10700 23 dBm 460 mA WCDMA B2 HSDPA CH9800 23 dBm 490 mA WCDMA B2 HSUPA CH9800 23 dBm 460 mA WCDMA B3 HSDPA CH1338 23 dBm 510 mA WCDMA B3 HSUPA CH1338 23 dBm 500 mA WCDMA B4 HSDPA CH1638 23...

Страница 73: ...23 dBm 450 mA LTE FDD B20 CH24300 23 dBm 440 mA LTE FDD B25 CH26365 23 dBm 660 mA LTE FDD B26 CH26865 23 dBm 450 mA LTE FDD B28 CH27435 23 dBm 510 mA LTE FDD B30 CH27710 23 dBm 780 mA LTE TDD B34 CH36...

Страница 74: ...CH695090 23 dBm TBD mA 5G NR TDD n79 CH713522 23 dBm TBD mA 5G NR TDD n79 CH731976 23 dBm TBD mA 5G NR FDD n1 CH423000 23 dBm TBD mA 5G NR FDD n1 CH428000 23 dBm 490 mA 5G NR FDD n1 CH433000 23 dBm TB...

Страница 75: ...70 mA 5G NR FDD n20 CH163200 23 dBm TBD mA 5G NR FDD n28 CH152600 23 dBm TBD mA 5G NR FDD n28 CH156100 23 dBm 350 mA 5G NR FDD n28 CH159600 23 dBm TBD mA 5G NR TDD n38 CH515000 23 dBm TBD mA 5G NR TDD...

Страница 76: ...CDMA B5 CH4408 23 dBm 410 mA WCDMA B6 CH4175 23 dBm TBD mA WCDMA B8 CH3012 23 dBm 420 mA WCDMA B19 CH338 23 dBm 440 mA Parameter Description Min Max Unit VIH Input high voltage 1 65 2 1 V VIL Input lo...

Страница 77: ...m performance while working under extended temperatures or extreme conditions such as with maximum power or data rate for a long time it is strongly recommended to add a thermal pad or other thermally...

Страница 78: ...s thermal dissipation area is located Select appropriate material thickness and surface for the outer housing of the application device that integrates the module i e the mechanical enclosure to enhan...

Страница 79: ...temperature range you need to ensure effective thermal dissipation for example by adding passive or active heatsinks heat pipes vapor chambers etc Within this range the module remains the ability to...

Страница 80: ...and Packaging This chapter mainly describes mechanical dimensions and packaging specifications of RM500Q GL module All dimensions are measured in mm and the tolerances are 0 05 mm unless otherwise spe...

Страница 81: ...mages above are for illustration purpose only and may differ from the actual module For authentic appearance and label please refer to the module received from Quectel 7 3 M 2 Connector RM500Q GL adop...

Страница 82: ...rocedures are as below 1 Use 10 trays to package 100 modules at a time tray size 247 mm 172 mm 2 Place an empty tray on the top of the 10 tray stack 3 Fix the stack with masking tape in shape as shown...

Страница 83: ...G50xQ RM5xxQ_Series_AT_Commands_ Manual AT commands manual for RG50xQ series and RM5xxQ series 5 Quectel_RM500Q_Series IPQ8074A_Reference Design RM500Q IPQ8074A reference design 6 Quectel_RG50xQ RM5xx...

Страница 84: ...Division Duplexing GLONASS Global Navigation Satellite System Russia GNSS Global Navigation Satellite System GPS Global Positioning System GRFC Generic RF Control GSM Global System for Mobile Communic...

Страница 85: ...nnect Express PCM Pulse Code Modulation PDU Protocol Data Unit PPP Point to Point Protocol QMI Qualcomm MSM Mobile Station Modems Interface RC Root Complex RF Radio Frequency RFFE RF Front End R LHCP...

Страница 86: ...ode USB Universal Serial Bus U SIM Universal Subscriber Identity Module VIH Input High Voltage Level VIL Input Low Voltage Level VOH Output High Voltage Level VOL Output Low Voltage Level VSWR Voltage...

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