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C24 Hardware Interface Manual

Version 0.3

TABLE 8 – Microphone Port Specifications

Parameter

Conditions

Min

Typ

Max

Units

Input Voltage

No load

1.58

V

PP

Gain

Programmable in 1 dB steps

0

31

dB

AC Input

1

K

Ω

Impedance

R

BIAS

= 2 K

Ω

Bias voltage

1.7

1.8

1.9

V

I

BIAS

≤

1 mA

Bias Current

1

mA

2.8.2

Headset Microphone Port

The headset microphone port is designed for use with, but not limited to, a headset audio device. It is
located at pin 57 on the interface connector, named HDST_MIC.
It is designed as a single-ended input and should be referenced to the module analog ground.

The microphone input includes all the necessary circuitry to support a direct connection to a headset
microphone device. It incorporates an internal bias voltage of 1.8V through a 2.2K

Ω

resistor, and has an

impedance of 1K

Ω

.

TABLE 9 – Headset Microphone Port Specifications

Parameter

Conditions

Min

Typ

Max

Units

Input Voltage

No load

1.58

V

PP

Programmable in 1 dB steps

Gain

0

31

dB

AC Input

1

K

Ω

Impedance

R

BIAS

= 2 K

Ω

Bias voltage

1.7

1.8

1.9

V

I

BIAS

≤

1 mA

Bias Current

1

mA

Motorola General Business Use

Page 22 of 36

Applicant: Motorola, INC

FCC ID: IHDP56JE1

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Содержание C24 CDMA 1X

Страница 1: ...C24 Hardware Interface Manual Version 0 3 C24 Hardware Interface Manual C24 CDMA 1X Module Nov 14 2008 Version 0 3 Applicant Motorola INC FCC ID IHDP56JE1 ...

Страница 2: ...NDARY UART UART2 18 2 6 3 USB INTERFACE 19 2 7 REMOVABLE USER IDENTIFY MODULE R UIM INTERFACE 20 2 8 AUDIO INTERFACE 21 2 8 1 HANDSET MICROPHONE PORT 21 2 8 2 HEADSET MICROPHONE PORT 22 2 8 3 SPEAKER PORT 23 2 8 4 HEADSET DETECTION 24 2 8 5 ALERT LOUDSPEAKER PORT 24 2 8 6 DIGITAL AUDIO INTERFACE 25 2 8 7 AUDIO OPERATING MODES 26 2 8 8 AUDIO PROGRAMMING INTERFACE 27 2 9 A D INTERFACE 30 2 9 1 POWER...

Страница 3: ...ated 0 03 21 Feb 08 David Alfi Updating following fianl review 0 1 5 Oct 08 Nimrod Zarmi Updating Regulatory approvals requirements 0 2 11 Nov 08 Udi Hadar Update max output power to 25dBm Update VSWR to 2 5 1 0 3 14 Nov 08 Steve Gump Update maximum allowable gain at 1900 MHz to maximum of 4 2 dBi Motorola General Business Use Page 3 of 36 Applicant Motorola INC FCC ID IHDP56JE1 ...

Страница 4: ...ty precautions must be observed during all phases of the operation usage service or repair of any cellular terminal or mobile incorporating the C24 module The integrator is advised to consider the following general cautions in the context of their integrated system incorporating the C24 module and to provide the end user with the applicable warnings and advice of safe operation of the equipment Fa...

Страница 5: ...ain or position closer than 20cm from the body SAR compliance testing of the completed product will be required It is strongly recommended that the system integrator seeks the advice of a suitably accredited test laboratory to develop a test plan and carry out necessary testing CFR 47 Part 15 19 specifies label requirements The following text may be on the product user s manual or container This d...

Страница 6: ...television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the d...

Страница 7: ...ected The interface signals are tri stated Valid VCC supply The Module interface is tri stated RTC Mode RESET_N signal is enabled Only the internal RTC timer is active low RESET_N signal is disabled The module is fully active and ready to high Idle Mode communicate CTS_N and DSR_N signals This is the default power up mode are enabled low The module is in low power mode RESET_N signal is high Low p...

Страница 8: ...following table specifies typical current consumption ratings of the module in various operating modes The current ratings refer to the overall current consumption through the VCC supply TABLE 3 Current ratings VCC 3 6 V Parameter Description Conditions Min Typ Max Unit IOFF RTC mode 30 uA IIDLE Idle mode Registered 20 mA SCI2 TBR 30 minutes Legend ISLEEP Low power mode 2 5 mA SCI2 Paging slots ev...

Страница 9: ...s stable above the minimum operating level and it is powered off it operates in RTC mode with only the internal RTC timer active The C lite consist of two HW models basic without charger and charger The basic module will power on when the ON_N signal or IGN signal is asserted The ON_N and IGN signals will be active and responding only after the power supply to the module is stable at operating lev...

Страница 10: ...l is returned to its low state The following figure illustrates the power on process using the IGN signal FIGURE 5 IGN power on timings IGN VCC CTS_N RESET_N 5000ms A typical IGN implementation is shortening IGN to VCC In this method applying power to the module shall also turn on the module simultaneously 2 3 2 Turning the Module Off There are several ways to turn the module off Asserting the ON_...

Страница 11: ...nd closing the network connection T FIGURE 6 ON_N power off timings 2 3 2 2 Turning off the module using IGN This section applies only to the C Lite standard model without charger The IGN signal may be used to power off the module only if it was also used to power it on When the IGN signal is set low the module will turn off This will initiate a normal power off process which includes disabling of...

Страница 12: ...s internal clocks and circuits are shut down and therefore serial communications is limited The module will not enter low power mode in any case when there is data present on the serial interface or incoming from the network or an internal system task is running Only when processing of any external or internal system task has completed the module will enter low power mode according to the ATS24 co...

Страница 13: ...MSCTS 1 permanently disables the serial interface during low power mode even during a network page The CTS_N signal is disabled and therefore the serial interfaces are blocked 2 4 3 Terminating low power mode Terminating the low power mode or wake up is defined as the transition of the module operating state from Sleep mode to Idle mode There are several ways to wake up the module from low power m...

Страница 14: ...ation from the network that an incoming voice call message or data is available it automatically wakes up from low power mode to alert the application When it wakes up to Idle mode all the interfaces are enabled Depending on the type of network indication and the application settings the module may operate several methods which are configurable by AT commands to alert the application of the incomi...

Страница 15: ...nabled and disabled by the ATS24 command To permanently terminate the low power mode the ATS24 0 command must be used Setting ATS24 0 disables the currently active low power mode and switches the module to Idle mode The module will not return to low power mode until an ATS24 0 commands is set again Motorola General Business Use Page 15 of 36 Applicant Motorola INC FCC ID IHDP56JE1 ...

Страница 16: ...rts automatic time zone updating it will update the RTC with the local time and date upon connection to the network The RTC will continue to keep the time from that point Using the AT CCLK command Setting the time and date manually by this AT commands overrides the automatic network update Once the time and date are manually updated the RTC timer will keep the time and date synchronized regardless...

Страница 17: ...ta signal 33 RTS2 Secondary UART Ready To Send signal 35 CTS2 Secondary UART Clear To Send signal 10 USB_VBUS USB bus power 12 USB_DP USB bus differential serial data positive 14 USB_DN USB bus differential serial data negetive 2 6 1 Primary UART UART1 The module s primary UART is a standard 8 signal bus The primary UART is used for all the communications with the module AT commands interface Data...

Страница 18: ... flow control signals The secondary UART is used for all the communications with the module AT commands interface Data Calls and CSD data programming and software upgrades The UART signals are active low CMOS level signals For standard RS232 communications with a PC an external transceiver is required The module is defined as a DCE device and the user application is defined as the DTE device These...

Страница 19: ...module is defined as a USB device on the USB bus and does not support hub or host functionality USB may be used for standard communications with the module as done through the UART interfaces When USB is active the module s low power mode cannot be operated FIGURE 15 USB interface signals VBUS D D USB HOST VBUS DP DN 10 12 14 Module USB DEVICE Motorola General Business Use Page 19 of 36 Applicant ...

Страница 20: ...tandard Removable User Identify Module R UIM interface TABLE 6 R UIM interface signals Pin Signal Name Description 48 UIM_PWR Card supply voltage 44 UIM_RESET Card reset UIM_DATA 52 Data I O UIM_CLK 46 Card clock 50 UIM_CR_DET Card detect Motorola General Business Use Page 20 of 36 Applicant Motorola INC FCC ID IHDP56JE1 ...

Страница 21: ...oud speaker positive 67 SPKR_N Handset differential speaker negative 69 SPKR_P Handset differential speaker positive 18 PCM_DIN Digital audio receive 20 PCM_DOUT Digital audio transmit 22 PCM_CLK Digital audio clock 24 PCM_FS Digital audio frame sync 2 8 1 Handset Microphone Port The handset microphone port is the module s power up default active audio input for voice calls It is located on pin 61...

Страница 22: ...named HDST_MIC It is designed as a single ended input and should be referenced to the module analog ground The microphone input includes all the necessary circuitry to support a direct connection to a headset microphone device It incorporates an internal bias voltage of 1 8V through a 2 2KΩ resistor and has an impedance of 1KΩ TABLE 9 Headset Microphone Port Specifications Parameter Conditions Min...

Страница 23: ... also be used as a single ended output referenced to the module s analog ground The speaker output is used for both the handset and the headset audio paths TABLE 10 Speaker Port Specifications Parameter Conditions Min Typ Max Units Output No load 2 VPP Voltage Gain Programmable in 3 dB steps Handset mode Headset mode See table 17 35 8 14 8 dB 28 8 7 8 AC Output 32 Ω Impedance DC voltage 1 V THD 32...

Страница 24: ...e the handset and alert audio paths The module supports dynamic switching between the handset and headset audio paths during operation and call handling The HDST_INT_N signal does not operate in advanced audio mode This signal s functionality is overridden by the AT MAPATH command settings 2 8 5 Alert Loudspeaker Port The alert loudspeaker is the module s default power up ringer It is used for but...

Страница 25: ... for speech during voice calls and for mono rings and alerts The PCM bus signal s configuration for voiceband audio is PCM_CLK 2048 KHz serial clock PCM_FS 8 KHz bit wide frame sync PCM_DOUT 13 bit linear audio data output PCM_DIN 13 bit linear audio data input The analog audio is sampled at an 8 KHz rate and converted to linear 16 bit serial PCM audio data The serial data is transferred on the PC...

Страница 26: ...put Signal Description SPKR_N Default audio path for speech and DTMF Handset MIC SPKR_P tones Alternate path for headset device SPKR_N Headset HDST_MIC Enable by setting HDST_INT_N SPKR_P interface signal low ALRT_N Default alert and ringer loudspeaker Alert ALRT_P output device Enable digital path by Digital PCM_DIN PCM_DOUT AT MADIGITAL 1 2 8 7 2 Advanced Mode An expanded AT command set enables ...

Страница 27: ...orporates an audio programming interface through AT commands which controls the following audio features Audio Path Defines the input and output devices for speech DTMF tones rings and alerts Audio Gain Defines the amplification gain level for input and output audio devices Audio Algorithm Defines the speech processing features for voice calls 2 8 8 1 Audio Algorithms The module s audio interface ...

Страница 28: ...ced audio modes provide AT commands to set the desired gain levels for each audio path and audio sound type TABLE 16 Gain Control Features Gain Command Default Device Description Gain Basic Advanced Microphone 3 Sets input speech gain level AT MMICG AT MMICG Headset Sets input speech gain 3 Microphone level Speaker AT CLVL 4 Sets voice and DTMF gain AT MAVOL Sets rings and alerts Alert Speaker AT ...

Страница 29: ...VRMS 0 35 8 12 28 6 29 1 32 9 17 5 25 7 40 2 29 8 25 22 8 55 9 3 27 34 5 19 8 79 4 4 23 8 50 16 8 111 5 5 20 8 70 13 8 158 6 17 8 100 10 7 226 7 14 8 140 7 7 316 8 TABLE 18 Microphone and Headset Microphone port Gains 0dBm0 Input Maximum Input AT Command Value Level Level mVRMS mVRMS 0 87 350 3 63 250 16 15 55 31 4 11 Motorola General Business Use Page 29 of 36 Applicant Motorola INC FCC ID IHDP56...

Страница 30: ...hanism is defined by the AT MMAD command The following section describes A D interface TABLE 19 A D Interface signals Pin s Signal Name Description VCC Power supply A D 37 ADC1 General Purpose A D 43 ADC2 General Purpose A D 47 ADC3 General Purpose A D Battery Temperature A D 2 9 1 Power Supply A D The main power supply VCC is sampled internally by the module through a dedicated A D port which is ...

Страница 31: ...al voltage and report its measured level independently to the application through the AT command interface The A D Signals are available at the connector in the following pins 37 43 and 47 The GPAD signals can sense a DC voltage level of 0 2 3 V which is converted internally to a 10 bit digital value TABLE 22 GPAD Specifications Parameter Conditions Min Typ Max Units Input Voltage 0 2 9 V Sampling...

Страница 32: ... IO signals for customer use 40 42 2 10 1 Reset The RESET_N output signal indicates the module s operating status This signal is set high after power up when the module is operating It is set low when the module is powered off When the RESET_N signal is low the module s application interface signals are disabled and do not represent any valid data or state Once the unit is turned on this signal mu...

Страница 33: ... maintaining the 2 8V output level When module is in Idle mode or wakes up temporarily from low power mode the VREF regulator returns to full operation supplying up to 150 mA Active Mode In this mode the VREF regulator is always fully active while module is operating regardless of the module operating mode 2 10 3 Wake Up Out The wakeup out WKUPO_N signal is an active low output which is designed t...

Страница 34: ...de while the WKUPO_N signal is low The module will set the WKUPO_N signal high when it has completed sending the data The application serial interface must stay active and not switch to low power mode for the duration set by ATS100 after WKUPO_N is set high The module will not set the WKUPO_N signal low if it needs to send additional data during the ATS100 delay time The application may switch to ...

Страница 35: ... network This signal follows the module s transmit bursts This signal is set low during transmission and set high when no transmission is in progress 2 10 7 General Purpose I O The module incorporates 8 general purpose IO signals for the user application Each GPIO signal may be configured and controlled by AT command These signals may be used to control or set external application circuits or to r...

Страница 36: ... The antenna or antenna application must be installed properly to achieve best performance TABLE 25 Antenna Interface Specifications Parameter Conditions Specifications 1900 MHz 106dBm Sensitivity 800 MHz 106dBm Max Average Power Max Peak Power 1900 MHz 25dBm 30dBm RF output power 800 MHz 25dBm 30dBm Gain 0 dBi unity gain or greater Impedance 50Ω VSWR Less than 2 5 1 Motorola General Business Use ...

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