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Manual abstract: user guide

Detailed instructions for use are in the User's Guide.

[. . . ] MTBF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 8. 1 RESULTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 8. 2 AUTOMOTIVE PROFILE (PRODUCT IN PASSENGER COMPARTMENT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 8. 3 TELECOM PROFILE (GROUND NON STATIONARY SEVERE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9. MECHANICAL SPECIFICATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 9. 1 DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 9. 2 PHYSICAL DIMENSIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 9. 3 DECOMPOSITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 10. CUSTOMER PROCESS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 10. 1 FOOTPRINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 10. 2 PACKAGING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 10. 3 MSL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 10. 4 SOLDER PROCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 10. 5 UNDERFILL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 11. [. . . ] They are described below. 3. 7. 1. 1 Off mode When the module is in off mode it can not receive any call, it can not receive any AT commands but can be awaken either by its internal clock using AT+CALA [1] or using POK_IN signal [2]. To go to this mode use AT*PSCPOF. Note d'étude / Technical document : URD1­ OTL 5665. 3­ 001 / 71927 Edition 06 HiLoNC V2 technical specification 14/03/2011 - page 14/37 3. 7. 1. 2 Stand-by mode management There are three stand-by modes management: · AT+KSLEEP=0 In this mode the sleep state is controlled by the DTR and by the firmware - DTR = 1 - The module never goes to sleep mode - DTR = 0 - The module goes to sleep mode when it is ready and can not be awoken with an AT command. Remark: even in this mode it is possible to use DTR signal to go from data to command mode, however in this case DTR has to be toggled from 1 to 0 then from 0 to 1 (see §3. 8) · AT+KSLEEP=1 In this mode the sleep state is only controlled by the firmware. However to be sure to wake up the module the "0x00" character has to be sent. In both previous modes the power consumption in sleep mode is given in §3. 7. 2. The main interest of the AT+KSLEEP=0 mode is to be able to forbid the sleep mode using the DTR signal. · AT+KSLEEP=2 In this mode the sleep state is never authorized what ever the DTR state. A detailed description of those modes is given in [3]. 3. 7. 2 Power supply and power consumption The power supply input of VBAT ranges from 3. 2V to 4. 5V and 3. 7V is nominal. All measurements in communication mode are done at maximum power emissions. Off mode Stand-by mode DRX2 ­ connected to the network Stand-by mode DRX5 ­ connected to the network Stand-by mode DRX9 ­ connected to the network CSD mode ­ in communication GPRS when transmitting data (2 TX slots, 3 RX slots) GPRS stand-by mode ­ 1 or 2 PDP context are open Current consumption during a burst GSM900 / GSM850 DCS / PCS GSM900 / GSM850 DCS / PCS GSM900 / GSM850 DCS / PCS 1. 4 mA 1. 0 mA 0. 8 mA Typ. 35 µA 1. 5 mA 1. 0 mA 0. 9 mA 195 mA 150 mA 360 mA 245 mA The HiLoNC V2 behavior in GPRS stand-by mode is similar to GSM stand-by mode. The power consumption also depends on DRX and on other network setting (number of adjacent cells, etc. ), it is between 1 and 3. 4 mA. 1. 7 A 1. 3 A 25° C Max 56 µA 1. 7 mA 1. 2 mA 1. 1 mA 220 mA 170 mA 3. 1 mA 2. 5 mA 2. 3 mA +85° C Typ. "1" is the logical state, 'then means connected to the ground A burst transmission happens in Standby, communication and GPRS mode. This measurement is performed with a 680 µF capacitor on the power supply path required to remove the overshoot. Note d'étude / Technical document : URD1­ OTL 5665. 3­ 001 / 71927 Edition 06 HiLoNC V2 technical specification 14/03/2011 - page 15/37 Figure 5: typical GPRS burst in the GSM900 frequency band Figure 6: typical GSM burst in the GSM900 frequency band Note d'étude / Technical document : URD1­ OTL 5665. 3­ 001 / 71927 Edition 06 HiLoNC V2 technical specification 14/03/2011 - page 16/37 3. 7. 3 VGPIO This +2. 8V supply output is available on external pin of the module and can supply +2. 8V external components. The current capability for 2. 8V output is: · 50mA in active mode · 3mA in sleep mode 3. 7. 4 VBACKUP In order to keep the internal Real Time Clock available, the VBACKUP input is present on the module interface. Depending on the main battery voltage, the internal RTC is supplied by the VBACKUP or by the main power supply voltage: RTC supply with external BACKUP present: · If VBAT < VBACKUP, internal RTC is supplied by VBACKUP. If no external Backup battery is used, VBACKUP input has to be connected to a 10µF capacitor (to ground) . An internal mechanism of the HiLoNC V2 module is able to manage the charge of the backup battery. More details about the battery choice and the charge schematics are given in the application note [2]. 3. 8 DATA / COMMAND MULTIPLEXING The serial link between the DCE and a DTE (PDA, phone, etc) is used to send two different kinds of data flow: AT commands and PPP data packets. So, this serial link can be used in two different exclusive modes: · Command Mode : the serial link is reserved for the AT Commands flow · Data Mode : the serial link is reserved for the data flow But, during a data connection, the modem or the DTE may need to send some AT Commands to notify the other side of a major event. As there is just one serial link to send these two kinds of data, it is necessary to have a special procedure to switch from one kind to the other. · The first solution provided by V25 ter is to use +++ and ATO. This solution very simple to implement, has the main drawback to allow only the DTE to control the switch between the 2 modes and it is usually only used to hang up a data call. [. . . ] Decomposition is detailed in the figure below. ==> To be updated with the new internal shield frame design. Shield cover Shied frame Figure 11: HiLoNC V2 decomposition Note d'étude / Technical document : URD1­ OTL 5665. 3­ 001 / 71927 Edition 06 HiLoNC V2 technical specification 14/03/2011 - page 33/37 10. CUSTOMER PROCESS 10. 1 FOOTPRINT This HiLoNC V2 module is directly soldered on the customer board through its 51 pads. The recommended footprint for the customer board is given in the figure below. No component and no via must be present under the HiLoNC V2 module. Figure 12: HiLoNC V2 Footprint on mother board Note d'étude / Technical document : URD1­ OTL 5665. 3­ 001 / 71927 Edition 06 HiLoNC V2 technical specification 14/03/2011 - page 34/37 10. 2 PACKAGING The HiLoNC V2 is provided in Tape and Reel packaging to be mounted in fully automatic SMT process with standard pick-and place-equipment. More details about the T&R characteristics are given in the HiLoNC V2 application note [2]. 10. 3 MSL According to IPC/JEDEC J-STD 20, the HiLoNC V2 has the following MSL level : 3 . [. . . ]

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