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SEW290 WCDMA Module

18

4.5

PCM

SEW290 Module's PCM interface provides PCM_CLK, PCM_SYNC, PCM_DIN, PCM_DOUT four
pins,supports 2.048MHz clock rate and 8K frame rate. PCM clock in the module will stop when the module go
into a sleep mode. PCM interface provides signal transmission application such as voice for an external Bluetooth
device.
The module must work on the Master state cause the PCM_SYNC signal and PCM_CLK signal must output when
PCM master.The PCM device connected to module PCM can only work on Slave state.

Figure 4-5 Module PCM working mode diagram

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Summary of Contents for SEW290

Page 1: ...SEW290 WCDMA Module Strong Rising SEW290 Module Technical User Guide Version V1 0 Dec 15th 2012 Shenzhen Strong Rising Electronics Co Ltd www strongrising com ...

Page 2: ...ve laws No part of this publication may be excerpted reproduced translated or utilized in any form or by any means electronic or mechanical including photocopying and microfilm without prior written permission from Strong Rising Elctronics The information in the document is subject to change without notice At the same time we reserve the right to revise or recall the User Manual If there is anythi...

Page 3: ...omers technical support through website telephone IM E Mail etc and also onsite supports The Strong Rising website www strongrising com provides the relevant industry information and module technical documentation If you have more requirements you could send an E mail to support_module strongrising com You can also call us at hotline 400 0690 009 for more supports EU Regulatory Conformance Hereby ...

Page 4: ...on The manual contains 5 chapters shown as below Chapter Contents DESCRIPTION Introduces SEW290 module s technical specs and relevant documents and abbreviations SEW290 MODULE INTRODUCTION Introduces SEW290 module s principle diagram and relevant standards PIN DEFINITIONS Introduces SEW290 module s PIN names and function DESCRIPTIONS OF HARDWARE INTERFACES Introduces SEW290 module s hardware inter...

Page 5: ... 1 Descriptions of specs 6 1 1 2 Basic Functions 6 1 1 3 Module Interfaces 6 1 1 4 Technical Parameters 7 1 2Ambient Temperature Parameters 8 1 2 Abbreviations 8 2 Module Introduction 9 3 PIN Definitions 11 4 Descriptions of Hardware Interfaces 13 4 1 Description 13 4 2 Power and Reset 13 4 2 1 Power Design 13 4 2 2 Reset 14 4 3 UART 15 4 4 4 4 USIM Card 15 4 5 Audio 17 4 5 PCM 18 4 6 USB 2 0 19 ...

Page 6: ...rference 20 4 8 LED Status Indicator 20 4 9 Sleep and Wake_up 21 4 9 1 Sleep 21 4 9 2 WAKEUP_OUT 21 5 Mechanical Design 21 5 1 Appearance 21 5 2 1 1 Module Main board PCB Layout Diagram 23 5 2 Antenna Connector Mechanical Dimensions 24 5 3 Module s Fastening Method 24 6 Important announcement 25 ...

Page 7: ...MU290 MC550 MC750 MC850 SEW270 SEW291 SEW702 STV680 and SEW290 they are accordant in both hardware and software 1 1 Technical Specification 1 1 1 Descriptions of specs Please refer to Table 1 1 for the specifications of SEW290 Table 1 1 Module specification Module Model 技术体制工作频段 Technical System Work Frequency SEW290 WCDMA HSPA GSM GPRS EDGE GSM GPRS EDGE GSM850 EGSM900 DCS1800 PCS1900 WCDMA HSDP...

Page 8: ...Bm Standby current Avg 10mA 75 dBm Talk current Avg 230mA 75 dBm Sleep current Avg 3 mA Rx sensitivity GSM all bands 102dB typical testing value 108dBm WCDMA all bands 106 5dBm typical testing value 109dBm Maximum Tx power GSM850 EGSM900 GMSK Mode 31 5 0 5dBm 8PSK Mode 27 5 0 5dBm GSM1800 PCS1900 GMSK Mode 27 9 0 6dBm 8PSK Mode 24 5 0 5dBm WCDMA Band I W2100 22 5 0 5dBm Band V W850 22 5 0 5dBm Ope...

Page 9: ...t Switched Data CPU Central Processing Unit DAI Digital Audio interface DAC Digital to Analog Converter DCE Data Communication Equipment DSP Digital Signal Processor DTE Data Terminal Equipment DTMF Dual Tone Multi Frequency DTR Data Terminal Ready EFR Enhanced Full Rate EGSM Enhanced GSM EMC Electromagnetic Compatibility EMI Electro Magnetic Interference ESD Electronic Static Discharge ETS Europe...

Page 10: ...RF Radio Frequency ROM Read only Memory RMS Root Mean Square RTC Real Time Clock SIM Subscriber Identification Module SMS Short Message Service SRAM Static Random Access Memory TA Terminal adapter TDMA Time Division Multiple Access TE Terminal Equipment also referred it as TIS Total Isotropic Sensitivity UART Universal asynchronous UIM User Identifier Management UMTS Universal Mobile Telecommunica...

Page 11: ...m SEW290 module is WCDMA wireless 3G module based on Qualcomm s MSM6290 platform The module adopts 37PIN stampt hole it applies for WCDMA and GSM network and supports GSM850 GSM900 GSM1800 GSM1900 WCDMA2100MHz WCDAM850MHz Figure 2 2 SEW290 Module s application diagram ...

Page 12: ... AUDIO USB USB_DM 31 7 EAR1_P USB_DP 30 8 EAR1_N ON OFF 29 9 MIC2_P UART PCM_SYNC DS R 28 10 MIC1_P PCM_DOUT DC D 27 11 MIC1_N DTR 26 12 GND RTS 25 13 PON_RESET RI WAKEUP_OUT 24 14 VBUS POWER TXD 23 15 VCHG RXD 22 16 VBAT CTS 21 17 V_MSME_1V8 GND 20 18 VCC_PA ANT RF_ANT 19 Table 3 1 36PIN Definitions Function PIN Number Signal Name I O Basic Function Remark USIM interface 1 VREG_USIM O USIM card p...

Page 13: ...3 TXD O UART transmit output 1 8V 24 RI O Module wake up signal 1 8V same with the wake_up pin 25 RTS O UART ready for receive 1 8V Active low 26 DTR I UART data terminal ready 1 8V Active low PCM 27 27 PCM_DOUT DCD O PCM data output 1 8V same with the DCD Pin 28 28 PCM_SYNC DSR O PCM sync 1 8V same with the DSR Pin 32 PCM_CLK O PCM clock 1 8V 33 PCM_DIN I PCM data input 1 8V USB interface 30 USB_...

Page 14: ...nit which is connected to a pc via a usb port this supply unit could be recognised as a power supply The EUT worked at 3 4 4 2V DC The power could be directly supplied by external power which is directly added to V_MAIN and satisfy the voltage in the table 4 1 The external power could be power adaptor battery USB power convertor etc It s recommended that the safe power current is 2A to satisfy the...

Page 15: ...utput the normal output voltage is 1 8V User should active the current of this pin as little as possible usually less than 10mA Generally it s suggested that this pin used for Chip pins level matching demand pullup In order to ensure that the module data can be kept safely and for module data security do not Cut off the power supply when module is running User should use the ON OFF pin or AT comma...

Page 16: ... UART interface only supports 1 8V Therefore the triode is usually used to realize level conversion for non 1 8V external UART See figure 4 2 the resistance is just for reference Please recalculate when designing it Figure 4 2 UART interface external reference design circuit 4 4 4 4 USIM Card SEW290 module supports the ClassB 3V and ClassC 1 8V USIM card which includes 4 pins at the end USIM card ...

Page 17: ...SEW290 WCDMA Module 16 Figure 4 3 USIM card circuit reference design diagram ...

Page 18: ...32Ω resistance Design of audio interface on the receiver Select the microphone with the sensitivity lower than 52dB since the output power for EAR1 is 50mW and the max gain in MIC1 can reach up to 52dB The level of MIC_1P is about 1 8V Note if other kind of audio input method is adopted the input signal should be within 2V If the signal voltage is lower than 2V then the pre amplifier should be add...

Page 19: ...module will stop when the module go into a sleep mode PCM interface provides signal transmission application such as voice for an external Bluetooth device The module must work on the Master state cause the PCM_SYNC signal and PCM_CLK signal must output when PCM master The PCM device connected to module PCM can only work on Slave state Figure 4 5 Module PCM working mode diagram ...

Page 20: ...t could connect directly with USB signal connector but during the design process try to add ESD protection component to avoid damage D12 in Figure 4 7 shows USB2 0 ESD protection component with the junction capacitance is smaller than 3pF VBUS could connect directly with VBUS at external host end The USB recommended voltage is 3 0 5 6V typical 5V Figure 4 7 USB2 0 external circuit reference design...

Page 21: ...ifferent environments the antenna gain requirements are also different in general in band gain is larger with external gain is small the performance of the antenna is better Our FCC Grant imposes a maximum gain for the antenna subsystem 2dBi for the cellular band and 2dBi for the PCS band Warning Excessive gain could damage sensitive RF circuits and void the warranty 4 7 2 Interference Besides the...

Page 22: ...two periods The WAKEUP_OUT pin will output a 5900ms low level and a 100ms high level along with ring period the level falling edge is reported After users answer a call the WAKEUP_OUT pin will output a high level If the call is not answered and after the call is hanged up WAKEUP_OUT will output a high level to wake up the MID next time About the SMS MMS before the module receives a messages and re...

Page 23: ...SEW290 WCDMA Module 22 Dimensions L x W x H 39 5mm 31mm 2 6mm Weight 7g ...

Page 24: ...SEW290 WCDMA Module 23 5 2 1 1 Module Main board PCB Layout Diagram See the module main board PCB layout diagram in figure 5 2 Unit mm Figure 5 2 PCB sealing diagram ...

Page 25: ...na connector The RF connector s part number is MM9329 2700TB1 manufactured by MURUTA Figure 5 3 RF connector mechanical dimensions diagram 5 3 Module s Fastening Method The module s fastening method adopts direct manual soldering to avoid second time soldering It s strongly recommend to use the manual soldering because SEW290 module board is just 0 8mm thick and MSM6290 BGA space is too small The ...

Page 26: ... complies with Part 15 of FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation To make sure the compliance of the RF Exposure ERP EIRP Spurious Emission requirement the antenna used for this module must not exceed 2dBi antenna ...

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