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SIM340 Hardware Design

3.9.2 Microphone interfaces configuration

10pF

33pF

Close to Microphone

MICxP

MICxN

GND

Differential layout

AGND

MODUL

Electret

Microphone

GND

10pF

GND

ESD

ANTI

ESD

ANTI

AGND

Figure 24: Microphone interface configuration

3.9.3 Earphone interface configuration

Amphenol

9001-8905-050

MOD

SPK2P

MIC2N
MIC2P

1uF

10R

68R

33pF

GND

AGND

Close to MODULE

Close to Socket

Differential

layout

33pF

AGND

33pF

10pF

GND

AGND

Figure 25:

Earphone interface configuration

SIM340_HD_V3.09

18.03.2009

Summary of Contents for SimCom SIM340

Page 1: ...Hardware Design SIM340_HD_V3 09...

Page 2: ...dation of this product designed by SIMCom within a larger electronic system remains the responsibility of the customer or the customer s system integrator All specifications supplied herein are subjec...

Page 3: ...art SIM340 using the PWRKEY pin 29 3 5 Power saving 30 3 5 1 Minimum functionality mode 30 3 5 2 Sleep mode slow clock mode 31 3 5 3 Wake up SIM340 from SLEEP mode 31 3 6 Summary of state transitions...

Page 4: ...stics 55 5 1 Absolute maximum ratings 55 5 2 Operating temperatures 55 5 3 Power supply ratings 56 5 4 Current consumption 57 5 5 Electro Static discharge 58 6 Product information 59 7 Mechanics 60 7...

Page 5: ...5 PIN DEFINITION OF THE SIM INTERFACE 44 TABLE 16 PIN DESCRIPTION AMPHENOL SIM CARD HOLDER 46 TABLE 17 PIN DESCRIPTION MOLEX SIM CARD HOLDER 47 TABLE 18 PIN DEFINITION OF THE LCD INTERFACE 48 TABLE 19...

Page 6: ...TWARE DEBUG 38 FIGURE 20 RS232 LEVEL CONVERTER CIRCUIT 38 FIGURE 21 SPEAKER INTERFACE CONFIGURATION 40 FIGURE 22 SPEAKER INTERFACE WITH AMPLIFIER CONFIGURATION 40 FIGURE 23 MICROPHONE INTERFACE CONFIG...

Page 7: ...VDD_EXT level RDY out by set fixed baudrate timing of the turning on system anthony 2006 04 04 02 02 Modify the function of GPIO5 and BUZZER pins the 10K resistance integrated in the VRTC pin Add the...

Page 8: ...to 2s 3s figure 5 figure 10 and table 20 ADC specification Anthony Yang 2007 09 05 03 07 Add order information Add why we used SIM340 on SIM300 EVB chenbo 2007 10 26 03 08 Modify the figure 9 Timing...

Page 9: ...Digital cellular telecommunications Phase 2 AT command set for GSM Mobile Equipment ME 4 GSM 07 10 Support GSM 07 10 multiplexing protocol 5 GSM 07 05 Digital cellular telecommunications Phase 2 Use o...

Page 10: ...ta Terminal Equipment typically computer terminal printer DTR Data Terminal Ready DTX Discontinuous Transmission EFR Enhanced Full Rate EGSM Enhanced GSM EMC Electromagnetic Compatibility ESD Electros...

Page 11: ...ess TE Terminal Equipment also referred to as DTE TX Transmit Direction UART Universal Asynchronous Receiver Transmitter URC Unsolicited Result Code USSD Unstructured Supplementary Service Data VSWR V...

Page 12: ...ling phonebook LD SIM last dialing phonebook list of numbers most recently dialed MC Mobile Equipment list of unanswered MT calls missed calls ON SIM or ME own numbers MSISDNs list RC Mobile Equipment...

Page 13: ...e RF antenna interface The keypad and SPI display interface will give you the flexibility to develop customized applications Serial port and Debug port can help you easily develop your applications Tw...

Page 14: ...o 20 C and 60 C to 80 C 1 Storage temperature 40 C to 85 C DATA GPRS CSD GPRS data downlink transfer max 85 6 kbps GPRS data uplink transfer max 42 8 kbps Coding scheme CS 1 CS 2 CS 3 and CS 4 SIM340...

Page 15: ...nnector 40 0 15 x 33 0 15 x 2 9 0 3mm excluding application connector Weight 8g Firmware upgrade Firmware upgrade by serial port The SIM340 does works but deviations from the GSM specification may occ...

Page 16: ...M340 evaluation board In order to help you on the application of SIM340 application SIMCom can supply an Evaluation Board EVB that interfaces the SIM340 directly with appropriate power supply SIM card...

Page 17: ...SIM340 Hardware Design SIM340_HD_V3 09 18 03 2009 17 Figure 3 Top view of SIM300 EVB For details please refer to the SIM300 EVB_UGD document...

Page 18: ...ISTICS COMMENT VBAT I 8 VBAT pins of the board to board connector are dedicated to connect the supply voltage The power supply of SIM340 has to be a single voltage source of VBAT 3 4V 4 5V It must be...

Page 19: ...sitive and negative voice band input If unused keep pins open SPK1P SPK1N O Positive and negative voice band output SPK2P SPK2N O Auxiliary positive and negative voice band output Audio DC Characteris...

Page 20: ...I O 8mA Ring indicator DCD O 4mA Data carrier detection VILmin 0V VILmax 0 3 VDD_EXT VIHmin 0 7 VDD_EXT VIHmax VDD_EXT 0 3 VOLmin GND VOLmax 0 2V VOHmin VDD_EXT 0 2 VOHmax VDD_EXT If use only TXD RXD...

Page 21: ...es The table below briefly summarizes the various operating modes referred to in the following chapters Table 6 Overview of operating modes Mode Function GSM GPRS SLEEP Module will automatically go in...

Page 22: ...card will not be accessible or both RF part and SIM card will be closed all and the serial port is still accessible The power consumption in this case is very low Alarm mode RTC alert function launche...

Page 23: ...eferable because of its better efficiency especially with the 2A peak current in burst mode of the module The single 3 6V Li Ion cell battery type can be connected to the power supply of the SIM340 VB...

Page 24: ...races from the VBAT pins of connector to the power source must be wide enough to ensure no voltage drops occur in the transmitting burst mode 3 3 3 Monitoring power supply To monitor the supply voltag...

Page 25: ...as fix baud rate the Code RDY should be received from the serial port all the time that the SIM340 was power on Please refer to the chapter AT IPR in document 1 3 4 2 Turn on SIM340 using the PWRKEY p...

Page 26: ...mode SIM340 will not register to GSM network and the software protocol stack is closed Thus the parts of AT commands related with SIM card and Protocol stack will not be accessible and the others can...

Page 27: ...40 using the PWRKEY pin Normal power down procedure Turn off SIM340 using AT command Over voltage or under voltage automatic shutdown Take effect if over voltage or under voltage is detected Over temp...

Page 28: ...e will send out result code NORMAL POWER DOWN After this moment the AT commands can t be executed The module enters the POWER DOWN mode only the RTC is still active POWER DOWN can also be indicated by...

Page 29: ...5 If the temperature 85 or 35 the module will be automatic shutdown soon If the temperature 85 the following URC will be presented CMTE 2 If the temperature 35 the following URC will be presented CMTE...

Page 30: ...N command which provides the choice of the functionality levels fun 0 1 4 0 minimum functionality 1 full functionality default 4 disable phone both transmit and receive RF circuits If SIM340 has been...

Page 31: ...0 is in SLEEP mode the following methods can wake up the module Enable DTR pin to wake up SIM340 If DTR Pin is pulled down to a low level this signal will wake up SIM340 from power saving mode The ser...

Page 32: ...miting current You need only a coin cell battery or a super cap to VRTC to backup power supply for RTC Note The VRTC couldn t be designed to a NC pin in your circuit You should connect the VRTC pin to...

Page 33: ...l or the TS621 from Seiko are also small in size but have higher capacity than the double layer capacitors resulting in longer backup times Typical charge curves for each cell type are shown in follow...

Page 34: ...eristic Note Gold capacitance backup Some suitable coin cells are the electric double layer capacitors available from Seiko XC621 or from Panasonic EECEM0E204A They have a small physical size 6 8mm di...

Page 35: ...ipment following the traditional DCE DTE Data Terminal Equipment connection The module and the client DTE are connected through the following signal as following figure shows Autobauding supports baud...

Page 36: ...s Autobauding supports baud rates as following 4800 9600 19200 38400 57600 and 115200bps Autobauding allows the GSM engine to automatically detect the baud rate configured in the host application The...

Page 37: ...es on Debug port Only contains Data lines TXD and RXD Debug Port only used for debugging It cannot be used for CSD call FAX call And the Debug port can not use multiplexing function It does not suppor...

Page 38: ...Debug port DBG_TXD DBG_RXD GND Figure 20 Connection of software debug The serial port and the debug port doesn t support the RS_232 level it only supports the CMOS level Please refer to the table 10 f...

Page 39: ...mined by control register settings and established using analogy multiplexes For each channels you can use AT CMIC to adjust the input gain level of microphone use AT SIDET to set the side tone level...

Page 40: ...SIM340 Hardware Design 3 9 1 Speaker interface configuration Figure 22 Speaker interface configuration Figure 23 Speaker interface with amplifier configuration SIM340_HD_V3 09 18 03 2009 40...

Page 41: ...10pF GND GND ESD ANTI ESD ANTI AGND Figure 24 Microphone interface configuration 3 9 3 Earphone interface configuration 1 2 4 3 Amphenol 9001 8905 050 MODULE SPK2P MIC2N MIC2P 1uF 10R 68R 33pF GND GND...

Page 42: ...cteristics Parameter Min Typ Max Unit load Resistance 27 32 Ohm Single Ended Nominal Output Level PGA 0dB 0 5477 12 04 Vpp dBm load Resistance 27 32 Ohm Normal Output SPK1 Differential Nominal Output...

Page 43: ...put Characteristics Parameter Min Typ Max Unit Working Voltage 2 4 2 8 3 3 V Working Current 2 mA Load Resistance 1 k Ohms 3 11 SIM card interface 3 11 1 SIM card application You can use AT Command to...

Page 44: ...SIM interface We recommend an Electro Static discharge device ST www st com ESDA6V1W5 or ON SEMI www onsemi com SMF05C for ESD ANTI The 22 resistors showed in the following figure should be added in s...

Page 45: ...detection function you can let the SIM_PRESENCE pin connect to the GND The reference circuit about 6 pins SIM card illustrates as following figure Figure 28 Reference circuit of the 6 pins SIM card 3...

Page 46: ...DD SIM Card Power supply it can identify automatically the SIM Card power mode one is 3 0V 10 another is 1 8V 10 Current is about 10mA C2 SIM_RST SIM Card Reset C3 SIM_CLK SIM Card Clock C5 GND Connec...

Page 47: ...nal Description C1 SIM_VDD SIM Card Power supply it can identify automatically the SIM Card power mode one is 3 0V 10 another is 1 8V 10 Current is about 10mA C2 SIM_RST SIM Card Reset C3 SIM_CLK SIM...

Page 48: ...command select DISP_RST 26 LCD reset Note This function is not supported in the default firmware There must be special firmware if you want Please contact SIMCom for more details 3 13 Keypad interface...

Page 49: ...more details 3 14 ADC SIM340 provides one auxiliary ADC General purpose analog to digital converter as voltage input pin which can be used to detect the values of some external items such as voltage...

Page 50: ...en establish calling 2 Use AT command ATH the RI changes to HIGH SMS When receive SMS The RI will change to LOW and hold low level about 120 ms then change to HIGH URC Some URCs triggers 120ms low lev...

Page 51: ...mp The working state of this pin is listed in following table Table 22 Working state of the NETLIGHT State SIM340 function Off SIM340 is not running 64ms On 800ms Off SIM340 does not find the network...

Page 52: ...ose Input Output signal pin Table 23 Pin definition of the GPIO interface Name Pin Function GPIO0 32 General Purpose Input Output Port Note This function is not supported in the default firmware There...

Page 53: ...connector on the module side we recommend to use MURATA s MXTK92XXXXX as matching connector on the application side Please refer to appendix for detail info about MURATA s MXTK92XXXXX 4 1 2 Antenna p...

Page 54: ...receive sensitivity Frequency Receive sensitivity GSM850 106dBm EGSM900 106dBm DCS1800 106dBm PCS1900 106dBm 4 3 Module operating frequencies Table 26 SIM340 operating frequencies Frequency Receive T...

Page 55: ...one TDMA frame 0 0 7 A Voltage at digit pins 0 3 3 3 V Voltage at analog pins 0 3 3 0 V Voltage at digit analog pins in POWER DOWN mode 0 25 0 25 V 5 2 Operating temperatures The operating temperature...

Page 56: ...max 400 mV Voltage ripple Normal condition power control level for Pout max f 200kHz f 200kHz 50 2 mV POWER DOWN mode SLEEP mode 35 2 5 uA mA IDLE mode GSM850 EGSM 900 DCS1800 PCS1900 23 23 mA TALK m...

Page 57: ...wer level 0 300mA Typical 200mA power level 10 Typical 83mA power level 15 Typical 76mA DATA mode GPRS 3 Rx 2 Tx CLASS 10 GSM850 EGSM 900 power level 5 550mA Typical 470mA power level 10 Typical 225mA...

Page 58: ...anding and packaging procedures must be applied throughout the processing handing and operation of any application using a SIM340 module The measured values of SIM340 are shown as the following table...

Page 59: ...ing information Part Number Frequency Bands MHz Function Pin Compatible SIM340 GSM850 EGSM900 DCS1800 PCS1900 GSM GPRS YES SIM340Z GSM850 EGSM900 DCS1800 PCS1900 GSM GPRS YES NOTES SIM340Z is fully Ro...

Page 60: ...describes the mechanical dimensions of SIM340 7 1 Mechanical dimensions of SIM340 Following shows the Mechanical dimensions of SIM340 top view side view and bottom view Figure 35 Mechanical dimensions...

Page 61: ...210 106001 001 as the board to board connector They are fully compatible each other This high density SMT connector is designed for parallel PCB to PCB applications It is ideal to use in VCRs noteboo...

Page 62: ...SIM340 Hardware Design 7 3 1 Mechanical dimensions of the ENTERY 1008 G60N 01R Figure 37 ENTERY 1008 G60N 01R board to board connector SIM340_HD_V3 09 18 03 2009 62...

Page 63: ...SIM340 Hardware Design 7 3 2 Mechanical dimensions of the JXT 210 106001 001 Figure 38 JXT 210 106001 001 board to board connector SIM340_HD_V3 09 18 03 2009 63...

Page 64: ...to board connector physical photo NOTE The connector ENTERY 1009 G60N 01R or JXT 210 106001 002 is used in socket side module side and ENTERY 1008 G60N 01R or JXT 210 100601 001 is used in pin side u...

Page 65: ...l Connectors MM9329 2700RA1 it makes a pair with Murata Company RF connector MXTK It has high performance with wide frequency range surface mountable and reflow solderable Following is parameter Certa...

Page 66: ...SIM340 Hardware Design Figure 41 RF connector MXTK For more information about the connector please visit http www murata com SIM340_HD_V3 09 18 03 2009 66...

Page 67: ...SIM340 Hardware Design 7 5 Top view of the SIM340 Figure 42 Top view of the SIM340 SIM340_HD_V3 09 18 03 2009 67...

Page 68: ...DISP_DATA I O 19 SIM_VDD O 20 DISP_CLK O 21 SIM_DATA I O 22 DISP_CS O 23 SIM_CLK O 24 DISP_D C O 25 SIM_RST O 26 DISP_RST O 27 KBC0 O 28 DCD O 29 KBC1 O 30 NETLIGHT O 31 KBC2 O 32 GPIO0 I O 33 KBC3 O...

Page 69: ...Contact us Shanghai SIMCom Wireless Solutions Ltd Add SIM Technology Building No 700 Yishan Road Shanghai P R China 200233 Tel 86 21 5427 8900 Fax 86 21 5427 6035 URL www sim com...

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