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I65/I56I HARDWARE DESCRIPTION VERSION

1.00

SIM interface ............................................................................................................................... 41

........................................................................................................................ 44

Microphone circuit....................................................................................................................... 44

....................................................................................................................... 44

Synchronization signal................................................................................................................. 44

Using the GPIO1 pin to control a status LED.............................................................................. 44

Behaviour of the RING_0 line (ASC0 interface)......................................................................... 45

............................................................................................................................. 47

No power saving (AT+CFUN=1) ................................................................................................ 47

NON-CYCLIC SLEEP mode (AT+CFUN=0) ............................................................................ 47

CYCLIC SLEEP mode (AT+CFUN=5, 6, 7, 8) .......................................................................... 48

CYCLIC SLEEP mode AT+CFUN=9......................................................................................... 48

Timing of the CTS signal in CYCLIC SLEEP modes................................................................. 49

Wake up I56/I56i from SLEEP mode.......................................................................................... 50

UMMARY OF STATE TRANSITIONS

)......................................................... 51

Summary of POWER DONE and Normal Mode ........................................................................ 51

Summary of Alarm Mode ............................................................................................................ 51

Resetting the GSM module by AT+CFUN=1,1........................................................................... 52

............................................................................................. 52

EMC AND ESD REQUIREMENTS...............................53

RF EXPOSURES..............................................................54

FIRST STEPS TO MAKE IT WORKS..........................55

.................................................................................................... 55

Mounting the I56/I56i.................................................................................................................. 55

Antenna interface......................................................................................................................... 55

SIM interface ............................................................................................................................... 56

Serial communication signals ...................................................................................................... 56

Power supply ............................................................................................................................... 57

Turn on the GSM/GPRS engine of I56/I56i ................................................................................ 58

HOUSING .........................................................................59

CONNECTOR SUPPLIER AND PERIPHERAL
DEVICES ..........................................................................60

...................................................................................................................... 60

............................................................................................................................ 60

............................................................................................................... 61

GSM EVALUATION KIT (GSM EVAL-KIT) .............62

Version history

Version number

Author

Changes

1.00

Fadil Beqiri

Initial version

This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.

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Содержание I56

Страница 1: ...This document is available at HTTP WWW FALCOM DE I56 I56i Hardware description Preliminary Version 1 00...

Страница 2: ...CRIPTION OF OPERATING MODES 20 4 1 1 Normal mode operation 20 4 1 2 Power down 21 4 1 3 Alarm mode 21 4 1 4 Charge only mode 21 4 1 5 Charge mode during normal operation 21 5 HARDWARE INTERFACES 22 5...

Страница 3: ...POWER DONE and Normal Mode 51 5 10 2 Summary of Alarm Mode 51 5 10 3 Resetting the GSM module by AT CFUN 1 1 52 5 11 GSM 07 05 AND 07 07 COMMANDS 52 6 EMC AND ESD REQUIREMENTS 53 7 RF EXPOSURES 54 8 F...

Страница 4: ...tion about FALCOM and its range of products is available at the following internet address http www falcom de Trademarks Some mentioned products are registered trademarks of their respective companies...

Страница 5: ...rd to board connector It consists of 50 pins required for controlling the unit transferring data and audio signals and providing power supply lines The external dual band or triple band antenna can di...

Страница 6: ...lly implemented for using the embedded TCP IP stack software The I56i module comes without modification regarding to the 50 pin board to board connector The integration of TCP IP stack with hardware e...

Страница 7: ...X Discontinuous Transmission EFR Enhanced Full Rate EGSM Enhanced GSM EMC Electromagnetic Compatibility ESD Electrostatic Discharge ETS European Telecommunication Standard FCC Federal Communications C...

Страница 8: ...Time Clock Rx Receive Direction SAR Specific Absorption Rate SELV Safety Extra Low Voltage SIM Subscriber Identification Module SMS Short Message Service SRAM Static Random Access Memory TA Terminal...

Страница 9: ...Service and Cell Broadcast Service 2 ETSI GSM 07 07 AT command set for GSM Mobile Equipment 3 ITU T V 25ter Serial asynchronous automatic dialling and control 4 I56 I56i AT Command Set 5 gprs_startup...

Страница 10: ...public concern about possible health effects of using GSM modem Although research on health effects from RF energy has focused for many years on the current RF technology scientists have begun resear...

Страница 11: ...pitals and motor vehicles is shielded from RF energy However RF energy may affect some malfunctioning or improperly shielded electronic equipment 1 7 Vehicle electronic equipment Check your vehicle ma...

Страница 12: ...rage facilities and areas where the air contains chemicals or particles such as grain dust or metal powders Do not transport or store flammable gas liquid or explosives in the compartment of your vehi...

Страница 13: ...standards and recommendations for the protection of public exposure to RF electromagnetic energy established by government bodies and professional organisations such as directives of the European Comm...

Страница 14: ...Kit is designed to test consider it as a Reference Design for your HW application thus you can save time and money In this way you can reduce the Time To Market see chapter 11 Physical characteristic...

Страница 15: ...k operators CSD CSD transmission rates 2 4 4 8 9 6 14 4 kbps non transparent V 110 Unstructured Supplementary Services Data USSD support WAP WAP compliant SMS MT MO CB Text and PDU mode SMS storage SI...

Страница 16: ...cancellation Noise reduction One serial interface ASC0 2 65V level bi directional bus for AT commands and data ASC0 full featured 8 wire serial interface Supports RTS0 CTS0 hardware handshake and soft...

Страница 17: ...for establishing an internet connectivity using IP commands TCP IP software description is also available Coding scheme 1 Timeslot 2 Timeslots 4 Timeslots CS 1 9 05 kbps 18 1 kbps 36 2 kbps CS 2 13 4...

Страница 18: ...mA DATA mode GPRS 4 Rx 1 Tx GSM 1800 1900 440 GSM 850 GPRS 310 mA DATA mode GPRS 3 Rx 2 Tx GSM 1800 1900 Peak supply current 1 6 A Power control level During transmission slot every 4 6 ms Table 3 Po...

Страница 19: ...3 35 dBm GSM 1800 28 30 32 dBm RF power ARP with 50 load GSM 1900 28 30 32 dBm GSM 850 124 GSM 1800 374 Number of carriers GSM 1900 299 dBm GSM 850 45 MHz GSM 1800 95 MHz Duplex spacing GSM 1900 80 MH...

Страница 20: ...ode too Power saving can be chosen at different levels The NON CYCLIC SLEEP mode AT CFUN 0 disables the AT interface The CYCLIC SLEEP modes AT CFUN 5 6 7 8 and 9 alternatively activate and deactivate...

Страница 21: ...battery powered applications Enables charging while module is detached from GSM network Limited number of AT commands is accessible There are several ways to launch Charge only mode From POWER DOWN m...

Страница 22: ...cations Interface A 50 pin connector Samtec SMT Interface B GSM 50 MCCX connector Interface C card reader for small SIM cards 3 V Interface D holes for fixing after mounting recommended screws 2 2 x 1...

Страница 23: ...cluded on the board to board connector are grouped sequencing is not taken into account Figure 3 Pin assignment on the 50 pin connector bottom view on I56 I56i PIN GSM Modem I O DESCRIPTION LEVEL 1 2...

Страница 24: ...ed leave it open VOmax 1 3 Vpp 20 MIC1P I 22 MIC1N I Balanced microphone input Can be used to directly feed an active microphone If not used leave it open RI 50 k differential VImax 20 mVpp 10 SPK2P O...

Страница 25: ...t the charger is connected If not used leave it open VImin 3 0 V VImax 15 V 17 BAT Temp I Input to measure the battery temperature over NTC resistor NTC should be installed inside or near battery pack...

Страница 26: ...with TCP IP stack available upon request else this pin has no function so it has to be left open Table 7 Description of the 50 pin connector interface A 5 3 Determining the External Equipment Type Be...

Страница 27: ...ply The power supply for the GSM GPRS engine of the I56 I56i module has to be a single voltage source of VVC5 4 5 5 5 V It must be able to provide sufficient current in a transmit burst which typicall...

Страница 28: ...out of the operating range of voltage and temperature stated in chapters 5 2 and 3 3 The GSM GPRS part of the I56 I56i would immediately switch off after having started and detected these inappropria...

Страница 29: ...ms at the next attempt to register 5 4 3 3 Turn on the GSM GPRS engine of I56 I56i using the POWER signal As detailed in chapter 5 6 5 the charging adapter can be connected regardless of the module s...

Страница 30: ...d the module turns off in less than 1 second Be sure not to disconnect the operating voltage VVC5 before the URC SHUTDOWN has been issued Otherwise you run the risk of losing data While the GSM engine...

Страница 31: ...er supply ASIC shuts down the internal supply voltages of I56 I56i after max 3 2 s and the module turns off Figure 5 Deactivating GSM engine by RESET signal 5 4 4 Automatic shutdown Automatic shutdown...

Страница 32: ...an orderly shutdown The presentation of these URCs is always enabled i e they will be output even though the factory setting AT SCTM 0 was never changed The maximum temperature ratings are stated in...

Страница 33: ...battery needs to be charged soon the URC appears several times before the module switches off To enable or disable the URC use the AT SBC command The URC will be enabled when you enter the write comma...

Страница 34: ...t temperature the operating mode and the transmit power Furthermore take into account that there is a delay until the network proceeds to a lower or accordingly higher Multislot class The delay time i...

Страница 35: ...scharging of connected battery Set the PWR SET pin of High level enables the VC5 pin to alert its state from input to the input output which is required for battery applications In order to make a pro...

Страница 36: ...i module a built in measuring circuit constantly monitors the supply voltage In the event of under voltage it causes I56 I56i to power down Under voltage thresholds are specific to the battery pack an...

Страница 37: ...s when the charger is connected to the charger input of the external charging circuit and the module s POWER pin The charging current depends on the voltage difference between the charger input of the...

Страница 38: ...risen above its minimum of 3 V you can try to start software controlled charging by pulling the SOFT_ON line to HIGH If the voltage is still below 3 V driving the SOFT_ON line to HIGH switches the ti...

Страница 39: ...progress be sure that the application is switched off If the application is fed from the trickle charge current the module might be prevented from proceeding to software controlled charging since the...

Страница 40: ...ing circuit recommended in Figure 66 the charger must be designed to meet the following requirements a Simple transformer power plug Output voltage 5 5 V 8 V under load The charge current must be limi...

Страница 41: ...includes two SIM interfaces which could not concurrently be used an integrated SIM card holder part of I56 I56i module for small SIM cards only 3 V and an integrated 5 pin interface on board to board...

Страница 42: ...tialization performed within 1 second after getting started An important issue is whether the initialization procedure ends up with a high or low level of the SIMPRES signal a If during start up of I5...

Страница 43: ...d by the GSM engine 3 SIMCLK I Chip card clock 4 GND Ground line for the SIM card 5 CCVPP Not connected 6 SIMDATA I O Serial data line bi directional 7 CCDET1 Connect to SIMVCC 8 CCDET2 Connects to th...

Страница 44: ...nal the pin needs to be configured to mode 0 default This setting is recommended if you want your application to use the synchronization signal for better power supply control Your platform design mus...

Страница 45: ...call Voice call Connected to remote party Data call Connected to remote party or exchange of parameters while setting up or disconnecting a call Table 16 Coding of the status LED _____________________...

Страница 46: ...generated and sent over the RX_0 line If there is a call in progress and call waiting is activated for a connected handset or handsfree device the RING_0 line switches to ground in order to generate...

Страница 47: ...ted or the PIN not correctly entered the selected fun level will be set though power saving does not take effect For the same reason power saving cannot be used if the GSM GPRS engine of the I56 I56i...

Страница 48: ...or made a call CFUN 5 and 6 do not offer this feature and therefore are only supported for compatibility with earlier releases Please refer to Table 18 for a summary of all modes The CYCLIC SLEEP mod...

Страница 49: ...ivated every 2 1 seconds The CTS signal is active low for 4 6 ms This is followed by another 4 6 ms UART activity If the start bit of a received character is detected within these 9 2 ms CTS will be a...

Страница 50: ...t relevant in the selected SLEEP mode I56 I56i does not wake up Event Selected mode AT CFUN 0 Selected mode AT CFUN 5 or 6 Selected mode AT CFUN 7 8 9 Ignition line No effect No effect No effect RTS0...

Страница 51: ...AT interface is not accessible 5 10 Summary of state transitions except SLEEP mode 5 10 1 Summary of POWER DONE and Normal Mode Further mode Present mode POWER DOWN Normal mode POWER DOWN mode SOFT_O...

Страница 52: ...it is recommended to wait 3 to 5 seconds before entering the first AT command The control status LED on SING pin see section 5 8 2 shortly toggle to OFF and back to ON again to show the progress Keep...

Страница 53: ...d The connecting cable between the chip card reader and the socket on the I56 I56i must be shielded in compliance with EMC requirements When using the I56 I56i cellular engine with individual handsfre...

Страница 54: ...expressly approved by this company could void the user s authority to operate the equipment Statement according to FCC part 15 105 NOTE This equipment has been tested and found to comply with the limi...

Страница 55: ...1 Minimum set up connection This section and subsections below describes the minimum hardware connection of I56 I56i module to get started if the users do not use the GSM EVAL KIT As a minimum to set...

Страница 56: ...n on the right side of the card holder the card holder can be taken off Put the SIM card into the card holder The bevelled corner of SIM card has to be on the same side to bevelled corner of card hold...

Страница 57: ...HyperTerminal which is to be found in the following directory Go to Start Program Accessories Communication and click the HyperTerminal program On the appeared screen assign the name for the current...

Страница 58: ...and detected these inappropriate conditions To switch on the I56 I56i GSM GPRS engine the SOFT_ON signal needs to be driven to HIGH level for at least 100 ms To make it in a properly manner just use e...

Страница 59: ...0 0 1 9 4 0 1 5 0 0 5 14 7 3 3 54 0 25 4 17 6 34 0 4 5 47 1 33 5 3 0 3 0 3 0 3 0 1 8 7 7 3 0 20 0 1 8 1 8 3 3 1 8 Figure 24 Housing of I56 I56i This confidential document is the property of FALCOM Gmb...

Страница 60: ...he characteristic impedance of the MMCX coaxial connector is 50 ohm The antenna manufacturer must guarantee that the antenna will be working according to the following radio characteristics EGSM 850 G...

Страница 61: ...ated module is a MOLEX connector Part number connector 99228 0002 Part number holder 91236 0002 For more information about this connector http www molex com It is possible to use an external SIM card...

Страница 62: ...pin serial cable pin to pin direct male to female GSM antenna 900 1800 1900 and cable 30 cm with coaxial plug Coaxial adapter MMCX FME Headset with RJ45 plug Set of connectors 2 pieces 40 pin stacking...

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