Quectel M10, Hardware Design

Page 1: ...M10 Quectel Cellular Engine Hardware Design M10_HD_V3 0...

Page 2: ...mer s possession Furthermore system validation of this product designed by Quectel within a larger electronic system remains the responsibility of the customer or the customer s system integrator All...

Page 3: ...module 19 3 1 1 Pin assignment 19 3 1 2 Pin description 20 3 2 Operating modes 25 3 3 Power supply 26 3 3 1 Power supply pins 27 3 3 2 Minimizing supply voltage drop 27 3 3 3 Monitor power supply 28...

Page 4: ...output GPIO 61 3 17 Open drain output LIGHT_MOS 62 3 18 SD card interface 63 4 Antenna interface 65 4 1 Antenna installation 65 4 2 RF output power 66 4 3 RF receiving sensitivity 66 4 4 Operating fr...

Page 5: ...LDER 55 TABLE 17 PIN DEFINITION OF THE KEYPAD INTERFACE 56 TABLE 18 PIN DEFINITION OF THE ADC 57 TABLE 19 CHARACTERISTIC OF THE ADC 58 TABLE 20 BEHAVIORS OF THE RI 58 TABLE 21 WORKING STATE OF THE NET...

Page 6: ...RE 19 CONNECTION OF THREE LINES UART PORT 42 FIGURE 20 CONNECTION OF UART PORT WITH HARDWARE FLOW CONTROL 43 FIGURE 21 CONNECTION OF SOFTWARE UPGRADE 43 FIGURE 22 CONNECTION OF SOFTWARE DEBUG 44 FIGUR...

Page 7: ...E CIRCUIT OF RF INTERFACE 65 FIGURE 47 RECOMMENDATION OF RF PAD WELDING 67 FIGURE 48 M10 TOP AND SIDE DIMENSIONS UNIT MM 73 FIGURE 49 M10 BOTTOM DIMENSIONS UNIT MM 74 FIGURE 50 PAD BOTTOM DIMENSIONS U...

Page 8: ...ace description 2 Added Serial Port 3 interface description 3 Added STATUS pin and its function description 4 Added GPIO control by AT QGPIO command 5 Modified timing of powering on powering down and...

Page 9: ...M10 Hardware Design M10_HD_V3 0 8 7 Deleted the content of charging function...

Page 10: ...ltiplexing protocol 5 GSM 07 05 Digital cellular telecommunications Phase 2 Use of Data Terminal Equipment Data Circuit terminating Equipment DTE DCE interface for Short Message Service SMS and Cell B...

Page 11: ...CE Data Communications Equipment typically module DTE Data Terminal Equipment typically computer external controller DTR Data Terminal Ready DTX Discontinuous Transmission EFR Enhanced Full Rate EGSM...

Page 12: ...ntary Service Data VSWR Voltage Standing Wave Ratio Vmax Maximum Voltage Value Vnorm Normal Voltage Value Vmin Minimum Voltage Value VIHmax Maximum Input High Level Voltage Value VIHmin Minimum Input...

Page 13: ...and your body The manual of the host system which uses M10 must include RF exposure warning statement to advice user should keep minimum 20cm from the radio antenna of M10 module depending on portabl...

Page 14: ...ment may be sensitive to not operate normally for RF energy interference Switch off the cellular terminal or mobile before boarding an aircraft Make sure it switched off The operation of wireless appl...

Page 15: ...ember using emergency call In order to make or receive call the cellular terminal or mobile must be switched on and in a service area with adequate cellular signal strength Some networks do not allow...

Page 16: ...aving technique current consumption of M10 is as low as 1 1 mA in SLEEP mode when DRX is 5 M10 is integrated with Internet service protocols which are TCP IP PPP Extended AT commands have been develop...

Page 17: ...ntenna interface Connected via 50 Ohm antenna pad Audio features Speech codec modes Half Rate ETS 06 20 Full Rate ETS 06 10 Enhanced Full Rate ETS 06 50 06 60 06 80 Adaptive Multi Rate AMR Echo Cancel...

Page 18: ...lot 2 Timeslot 4 Timeslot CS 1 9 05kbps 18 1kbps 36 2kbps CS 2 13 4kbps 26 8kbps 53 6kbps CS 3 15 6kbps 31 2kbps 62 4kbps CS 4 21 4kbps 42 8kbps 85 6kbps 2 2 Functional diagram The following figure sh...

Page 19: ...stomer on the application of M12 Quectel supplies an Evaluation Board EVB that hosts the module directly with appropriate power supply SIM card holder RS 232 serial interface handset RJ11 port earphon...

Page 20: ...chapters Power supply refer to Chapter 3 3 Serial interfaces refer to Chapter 3 8 Two analog audio interfaces refer to Chapter 3 9 SIM interface refer to Chapter 3 10 SD card interface refer to Chapt...

Page 21: ...VInorm 2 75V VOmax 2 85V VOmin 2 6V VOnorm 2 75V Iout max 730uA Iin 2 6 5 uA Recommended to connect to a backup battery or a golden capacitor VDD_EXT 7 O Supply 2 8V voltage for external circuit Vmax...

Page 22: ...s High level indicates module power on and low level indicates power down VOLmax 0 15 VDD_EXT VOHmax 0 85 VDD_EXT If unused keep this pin open Audio interfaces PIN NAME PIN NO I O DESCRIPTION DC CHARA...

Page 23: ...CHARACTERISTICS COMMENT DTR 59 I Data terminal ready VILmin 0 3V VILmax 0 25 VDD_EXT VIHmin 0 75 VDD_EXT VIHmax VDD_EXT 0 3 VOLmax 0 15 VDD_EXT VOHmin 0 85 VDD_EXT If only use TXD RXD and GND to commu...

Page 24: ...voltage can be selected by software automatically Either 1 8V or 3V All signals of SIM interface should be protected against ESD with a TVS diode array Maximum cable length is 200mm from the module p...

Page 25: ...M card detection VILmax 0 67V VIHmin 1 7V If unused keep this pin open AUX ADC PIN NAME PIN NO I O DESCRIPTION DC CHARACTERISTICS COMMENT ADC0 41 I General purpose analog to digital converter Voltage...

Page 26: ...egistered to GPRS network but no GPRS PDP context is active The SGSN knows the Routing Area where the module is located at GPRS READY The PDP context is active but no data transfer is going on The mod...

Page 27: ...able of providing sufficient current up to 1 6A A reference design of DC 5V 2A input power source is shown in Figure 3 The designed output for the power supply is 4 16V thus a linear regulator can be...

Page 28: ...f the power voltage drops below 3 3V the module could turn off automatically The PCB traces from the VBAT pads to the power source must be wide enough to ensure that there is not too much voltage drop...

Page 29: ...r to document 1 3 4 Power up and down scenarios 3 4 1 Power on The module can be turned on through the two ways which are described in following chapters Via PWRKEY pin start normal operating mode ple...

Page 30: ...pin outputs a high level PWRKEY pin can be released Customer may monitor the level of the STATUS pin to judge whether the module is power on or not An open collector driver circuit is suggested to con...

Page 31: ...e STATUS pin goes to high level PWRKEY may be released If the STATUS pin is ignored pull the PWRKEY pin to low level for more than 2 seconds to turn on the module 3 4 1 2 Power on module using the RTC...

Page 32: ...mand during the alarm mode the process of automatic power off will not be executed In alarm mode driving the PWRKEY to a low level voltage for a period will cause the module to power down The frequent...

Page 33: ...result code does not appear when autobauding is active and DTE and DCE are not correctly synchronized after start up The module is recommended to set a fixed baud rate After this moment no other AT co...

Page 34: ...age is 3 5V the following URC will be presented UNDER_VOLTAGE WARNING If the voltage is 4 5V the following URC will be presented OVER_VOLTAGE WARNING The normal input voltage range is 3 3V to 4 6V If...

Page 35: ...e 11 Reference circuit for EMERG_OFF by using button Be cautious to use the pin EMERG_OFF It should only be used under emergent situation For instance if the module is unresponsive or abnormal the pin...

Page 36: ...y to turn on the module Before restarting the module at least 500ms should be delayed after detecting the low level of STATUS The restart scenario is illustrated as the following figure Figure 12 Timi...

Page 37: ...AT commands correlative with RF function or SIM card function will not be accessible If the module has been set by AT CFUN 4 the RF function will be closed but the serial port is still active In this...

Page 38: ...EEP mode Table 8 Summary of state transition 3 7 RTC backup The RTC Real Time Clock can be supplied by an external capacitor or battery rechargeable or non chargeable through the pin VRTC A 1 5K resis...

Page 39: ...supply from non chargeable battery Figure 15 RTC supply from rechargeable battery VRTC Large Capacitance Capacitor MODULE RTC Core 1 5K Figure 16 RTC supply from capacitor Coin type rechargeable capac...

Page 40: ...ve data from TXD of DTE RTS Requests to send CTS Clear to send DTR DTE is ready and inform DCE this pin can wake the module up RI Ring indicator when the call SMS data of the module are coming the mod...

Page 41: ...e data of the debug port DBG_TXD 10 Transmit data of the debug port Serial Port RI 55 Ring indicator RTS 58 Request to send CTS 57 Clear to send RXD 61 Receive data of the serial port TXD 60 Transmit...

Page 42: ...bauding enabled it is recommended to wait 2 to 3 seconds before sending the first AT string After receiving the OK response DTE and DCE are correctly synchronized If the host controller needs URC in t...

Page 43: ...ction styles are illustrated as below UART Port connection is shown as below when it is applied in modulation demodulation Figure 18 Connection of all functional UART port Three lines connection is sh...

Page 44: ...PWRKEY pin must be pulled down before the software upgrade Please refer to the following figure for software upgrade IO Connector TXD RXD GND PWRKEY Module DCE UART port TXD RXD GND PWRKEY Figure 21 C...

Page 45: ...does not support GPRS data CSD FAX Multiplexing function etc Support the communication baud rates as the following 4800 9600 14400 19200 28800 38400 57600 115200 The default baud rate setting is 1152...

Page 46: ...h is shown as below The construction of dotted line can refer to the construction of solid line Please pay attention to direction of connection Input dotted line of module should refer to input solid...

Page 47: ...OS level only 9 8 7 6 5 4 3 2 1 15 14 8 9 11 12 5 7 6 10 4 26 2 27 13 18 20 21 16 17 19 22 23 24 3 1 25 28 GND TO PC serial port SP3238 3V GND GND T5OUT SHUTDOWN V GND V VCC T4OUT T2OUT T3OUT T1OUT R3...

Page 48: ...vel of microphone Customer can also use AT CLVL to adjust the output gain level of receiver and speaker AT QECHO is to set the parameters for echo cancellation control AT QSIDET is to set the side ton...

Page 49: ...s possible In order to decrease radio or other signal interference the position of RF antenna should be kept away from audio interface and audio alignment Power alignment and audio alignment should no...

Page 50: ...e Figure 28 Speaker interface configuration of AOUT1 SPK1P SPK1N Differential layout Amplifier circuit 10pF 10pF 33pF 33pF 33pF Close to speaker GND GND 10pF ESD ESD Module Figure 29 Speaker interface...

Page 51: ...F Figure 30 Speaker interface configuration of AOUT2 Module SPK2P AGND Differential layout Amplifier circuit 10pF 10pF 33pF 33pF Close to speaker GND GND ESD ESD C2 C1 Figure 31 Speaker interface with...

Page 52: ...lectret microphone characteristic Parameter Min Type Max Unit Working Voltage 1 2 1 5 2 0 V Working Current 200 500 uA External Microphone Load Resistance 2 2 k Ohm Table 13 Typical speaker characteri...

Page 53: ...s at low level Regardless of the SIM card is in the tray or not the change of SIM_PRESENCE level from high to low level prompts the module to reinitialize SIM card In default configuration SIM card de...

Page 54: ...Figure 33 Reference circuit of the 8 pins SIM card Note Please do not use AT QSIMDET 1 1 which causes to initialize SIM card when Figure 33 circuit is adopted If customer does not need the SIM card de...

Page 55: ...careful that both lines are not placed closely next to each other A useful approach is to use GND to shield the SIM_DATA line from the SIM_CLK line In order to ensure good ESD protection it is recomm...

Page 56: ...C6 Not Connect SIM_DATA C7 SIM Card data I O For 8 pin SIM card holder it is recommended to use Molex 91228 Please visit http www molex com for more information Figure 36 Molex 91228 SIM card holder T...

Page 57: ...keypad interface The keypad interface allows a direct external matrix connection A typical recommended circuit about the keypad is shown in the following figure VPP C6 Not Connect SIM_DATA C7 SIM Card...

Page 58: ...ic configuration is 5 keypad rows and 6 keypad columns giving 30 keys Note This function is not supported in the default firmware 3 12 ADC The module provides two auxiliary ADC interfaces to measure t...

Page 59: ...hen SMS is received Data calling Changed to LOW then 1 Changed to HIGH when data connection is established 2 Use ATH to hang up the data calling RI changes to HIGH 3 Calling part hangs up RI changes t...

Page 60: ...M10 Hardware Design M10_HD_V3 0 59 Figure 38 RI behaviour of voice calling as a receiver Figure 39 RI behaviour of data calling as a receiver Figure 40 RI behaviour as a caller...

Page 61: ...g state of this pin is listed in Table 21 Table 21 Working state of the NETLIGHT State Module function Off The module is not running 64ms On 800ms Off The module is not synchronized with network 64ms...

Page 62: ...43 Table 22 Pin definition of the STATUS Figure 43 Reference circuit of the STATUS 3 16 General purpose input output GPIO The module provides a limited number of General Purpose Input Output signal pi...

Page 63: ...the LIGHT_MOS Note This function is not supported in the default firmware There must be special firmware if customer needs this function Please contact Quectel for more details Module 300R VBAT LIGHT_...

Page 64: ...mory card capacity With the SD card interface features and reference circuit shown in figure 45 the users can easily design the SD card application circuit to enhance the memory capacity of the module...

Page 65: ...to offer good ESD protection it is recommended to add TVS on signals with the capacitance is less than 15pF Reserve external pull up resistor for other data lines except the DATA0 The SD_CLK and SD_DA...

Page 66: ...onnection The RF trace in host PCB connecting to the module RF antenna pad should be micro strip line or other types of RF trace whose characteristic resistance should be close to 50 M10 comes with tw...

Page 67: ...ule conducted RF receiving sensitivity Frequency Receive sensitivity GSM850 108 5dBm EGSM900 108 5dBm DCS1800 108dBm PCS1900 108dBm 4 4 Operating frequencies Table 30 The module operating frequencies...

Page 68: ...M10 Hardware Design M10_HD_V3 0 67 Figure 47 Recommendation of RF pad welding...

Page 69: ...supply during one TDMA frame 0 0 7 A Voltage at digital pins 0 3 3 3 V Voltage at analog pins 0 3 3 0 V Voltage at digital analog pins in POWER DOWN mode 0 25 0 25 V 5 2 Operating temperature The ope...

Page 70: ...0 f 200kHz f 200kHz 50 2 mV mV IVBAT Average supply current POWER DOWN mode SLEEP mode DRX 5 29 1 1 uA mA Minimum functionality mode AT CFUN 0 IDLE mode SLEEP mode AT CFUN 4 IDLE mode SLEEP mode 13 0...

Page 71: ...pical 73mA GSM900 power level 5 300mA Typical 208mA power level 12 Typical 96mA power level 19 Typical 73mA DCS1800 power level 0 250mA Typical 191mA power level 7 Typical 93mA power level 15 Typical...

Page 72: ...GSM 900 power level 5 600mA Typical 408mA power level 12 Typical 189mA power level 19 Typical 110mA DCS 1800 power level 0 490mA Typical 377mA power level 7 Typical 147mA power level 15 Typical 97mA P...

Page 73: ...PRS class would make it easier to design the power supply for the module 5 5 Electro static discharge Although the GSM engine is generally protected against Electrostatic Discharge ESD precautions abo...

Page 74: ...6 1 Hardware De _HD_V3 0 Mechani s chapter desc Mechanic esign cal dime cribes the me al dimensio Figure 4 ensions chanical dim ons of mod 48 M10 top a mensions of th dule and side dim e module mensi...

Page 75: ...M10 Hardware Design M10_HD_V3 0 74 test point Figure 49 M10 bottom dimensions Unit mm Figure 50 PAD bottom dimensions Unit mm...

Page 76: ...M10 Hardware Design M10_HD_V3 0 75 6 2 Footprint of recommendation single pad...

Page 77: ...area below the test point in the host PCB Place solder mask Note2 In order to maintain the module keep about 3mm between the module and other components in host PCB Note3 Keep out area in above figure...

Page 78: ...M10 M10_ 6 3 6 4 Hardware De _HD_V3 0 Top view Bottom vi esign of the mod ew of the m F dule Figure 52 module Figure 53 B Top view of Bottom view o f the module of the modul le 77...

Page 79: ...s Punctured bits Data rate Kb s CS 1 1 2 3 3 181 40 4 456 0 9 05 CS 2 2 3 3 6 268 16 4 588 132 13 4 CS 3 3 4 3 6 312 16 4 676 220 15 6 CS 4 1 3 12 428 16 456 21 4 Radio block structure of CS 1 CS 2 an...

Page 80: ...indicates the amount of downlink timeslots while the second number indicates the amount of uplink timeslots The active slots determine the total number of slots the GPRS device can use simultaneously...

Page 81: ...Shanghai Quectel Wireless Solutions Co Ltd Room 501 Building 13 No 99 Tianzhou Road Shanghai China 200233 Tel 86 21 5108 6236 Mail info quectel com...