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UMTS/HSDPA Module

UC15 Hardware Design

UC15_Hardware_Design Confidential / Released 14 / 72

3

Application Interface

3.1. General Description

UC15 is equipped with a 68-pin 1.3mm pitch SMT pads plus 40-pin ground pads and reserved pads that
connect to customer’s cellular application platform. Sub-interfaces included in these pads are described in
detail in the following chapters:

z

Power

supply

z

UART

interface

z

Audio

interface

z

USIM

interface

z

USB

interface

z

ADC

interface

z

Status

indication

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Summary of Contents for UC15

Page 1: ...UC15 Hardware Design UMTS HSDPA Module Series Rev UC15_Hardware_Design_V1 0 Date 2013 10 10 www quectel com...

Page 2: ...ED IS BASED UPON CUSTOMERS REQUIREMENTS QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN...

Page 3: ...UMTS HSDPA Module UC15 Hardware Design UC15_Hardware_Design Confidential Released 2 72 About the document History Revision Date Author Description 1 0 2013 10 10 Felix YIN Initial...

Page 4: ...tionality Mode 22 3 6 Power Supply 23 3 6 1 Power Supply Pins 23 3 6 2 Decrease Voltage Drop 23 3 6 3 Reference design for power supply 24 3 6 4 Monitor the Power Supply 25 3 6 5 VDD_EXT 25 3 7 Turn o...

Page 5: ...on 51 4 2 1 Antenna Requirement 51 5 Electrical Reliability and Radio Characteristics 52 5 1 Absolute Maximum Ratings 52 5 2 Power Supply Ratings 53 5 3 Operating Temperature 53 5 4 Current Consumptio...

Page 6: ...43 TABLE 17 PIN DESCRIPTION OF AMPHENOL USIM CARD HOLDER 44 TABLE 18 USB PIN DESCRIPTION 45 TABLE 19 PIN DEFINITION OF THE ADC 47 TABLE 20 CHARACTERISTIC OF THE ADC 47 TABLE 21 PIN DEFINITION OF NETWO...

Page 7: ...17 MICROPHONE REFERENCE DESIGN FOR MIC1 MIC2 37 FIGURE 18 REFERENCE DESIGN FOR SPK1 37 FIGURE 19 REFERENCE DESIGN WITH AN AMPLIFIER FOR SPK1 38 FIGURE 20 REFERENCE DESIGN FOR SPK2 38 FIGURE 21 REFERE...

Page 8: ...and describes its hardware interface which are connected with user s application and the air interface This document can help users quickly understand module interface specifications electrical and me...

Page 9: ...ices on boarding the aircraft if your device offers a Airplane Mode which must be enabled prior to boarding an aircraft Switch off your wireless device when in hospitals or clinics or other health car...

Page 10: ...band configuration of UC15 series Table 1 UC15 Series Frequency Bands Module GSM 850 EGSM 900 DCS 1800 PCS 1900 UMTS 850 UMTS 900 UMTS 1900 UMTS 2100 UC15 A z z z z z z UC15 E z z z z More details abo...

Page 11: ...r DCS1800 and PCS1900 8 PSK Class 3 24dBm 1 3dB for UMTS 850 900 1900 2100 HSDPA and WCDMA Features HSDPA data rate is corresponded with 3GPP R5 3 6 Mbps on downlink WCDMA data rate is corresponded wi...

Page 12: ...480 Mbps Used for AT command communication data transmission software debug and firmware upgrade USB Driver Support Windows XP Windows Vista Windows7 Windows 8 Windows CE5 0 6 0 Linux 2 6 3 0 Android...

Page 13: ...iagram The following figure shows a block diagram of UC15 and illustrates the major functional parts z Power management z Baseband z DDR NAND flash z Radio frequency z Peripheral interface UART interf...

Page 14: ...1 Functional Diagram 2 4 Evaluation Board In order to help user to develop applications with UC15 Quectel supplies an evaluation board EVB RS 232 to USB cable USB data cable power adapter earphone ant...

Page 15: ...ipped with a 68 pin 1 3mm pitch SMT pads plus 40 pin ground pads and reserved pads that connect to customer s cellular application platform Sub interfaces included in these pads are described in detai...

Page 16: ...20 21 22 23 24 25 26 27 28 29 30 31 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 RESET_N PWRKEY AGND SPK2P SPK1N SPK1P MIC1P MIC1N MIC2P MIC2N RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED...

Page 17: ...upply Pin Name Pin No I O Description DC Characteristics Comment VBAT_BB 52 53 PI Power supply for module baseband part Vmax 4 4V Vmin 3 3V Vnorm 3 8V It must be able to provide sufficient current up...

Page 18: ...s Comment STATUS 54 DO Indicate the module operating status VOHmax 2 6V VOHmin 2 15V VOLmax 0 45V 2 6V power domain NETLIGHT 6 DO Indicate the module network activity status VOHmax 2 6V VOHmin 2 15V V...

Page 19: ...USIM_DATA 13 IO Data signal of USIM card For 1 8V USIM VILmax 0 63V VIHmin 1 17V VIHmax 2 1V VOLmax 0 45V VOHmin 1 35V For 3V USIM VILmax 1 05V VIHmin 1 95V VIHmax USIM_VDD 0 3 VOLmax 0 45V VOHmin 0 7...

Page 20: ...eristics Comment RI 55 DO Ring indicator VOLmax 0 45V VOHmin 2 15V 2 6V power domain DCD 56 DO Data carrier detection VOLmax 0 45V VOHmin 2 15V 2 6V power domain CTS 57 DO Clear to send VOLmax 0 45V V...

Page 21: ...ed keep open SPK1P 22 AO Positive voice band output If it is unused keep open SPK1N 21 AO Negative voice band output If it is unused keep open SPK2P 20 AO Auxiliary positive voice band output If it is...

Page 22: ...by the PCL working RF band and EDGE multi slot configuration UMTS Idle Software is active The module has registered to the UMTS network and the module is ready to send and receive data UMTS Talk Data...

Page 23: ...is mode module can still receive paging voice call and SMS from network but the serial port is not accessible 3 5 2 Wake up from Sleep Mode The DTR and WAKEUP_IN pin can be both used to wake up the mo...

Page 24: ...3 8 4 4 V VBAT_BB 52 53 Power supply for module baseband part 3 3 3 8 4 4 V GND 42 44 49 65 67 68 71 73 81 108 Ground 0 V 3 6 2 Decrease Voltage Drop The power supply range of the module is 3 3V 4 4V...

Page 25: ...2mm and the principle of the VBAT trace is the longer the wider 3 6 3 Reference design for power supply The power design for the module is very important since the performance of power supply for the...

Page 26: ...cs of VDD_EXT Symbol Description Min Typ Max Unit VDD_EXT Output voltage 2 5 2 6 2 7 V Io Output current 100 mA 3 7 Turn on and off Scenarios 3 7 1 Turn on Module Using the PWRKEY The following table...

Page 27: ...control the PWRKEY is using a button directly A TVS component is indispensable to be placed nearby the button for ESD protection When pressing the key electrostatic strike may generate from finger A r...

Page 28: ...dures can be used to turn off the module Normal power down procedure Turn off the module using the PWRKEY pin Normal power down procedure Turn off the module using command AT QPOWD Automatic shutdown...

Page 29: ...ot done within 60s module will shut down internal power supply forcibly After that moment the module enters the power down mode no other AT commands can be executed The power down mode can also be ind...

Page 30: ...voltage threshold can be revised by AT command refer to document 1 for details 3 8 Reset the Module The RESET_N can be used to reset the module Table 9 RESET_N pin description Pin Name Pin No Descrip...

Page 31: ...tus RUNNING RESET_N RUNNING 5s STATUS 3s Figure 10 Timing of Resetting Module Use the RESET_N only when turning off the module by the command AT QPOWD and the PWRKEY pin failed 3 9 UART Interface The...

Page 32: ...he logic levels are described in the following table Table 11 Logic Levels of Digital I O Parameter Min Max Unit VIL 0 3 0 35 VDD_EXT V VIH 0 65 VDD_EXT VDD_EXT 0 3 V VOL 0 0 45 V VOH VDD_EXT 0 45 VDD...

Page 33: ...ased 32 72 Figure 11 Connection of all functional UART port Three lines connection is shown as below Figure 12 Connection of three lines UART port UART Port with hardware flow control is shown as belo...

Page 34: ...3 6K to 6 8K MCU ARM TXD RXD 1K TXD RXD RTS CTS DTR RI RTS CTS GPIO EINT GPIO DCD Module 1K 1K Voltage level 3 3V 3 6K 3 6K 3 6K 1K 1K 1K 1K GND GND Figure 14 3 3V level match circuit The reference de...

Page 35: ...le and PC since these three UART ports do not support the RS232 level while support the CMOS level only TXD RXD RTS CTS DTR RI DCD Module GND C1 C1 C2 C2 28 25 1 3 V VCC GND V 3V 27 2 26 4 T1IN T2IN T...

Page 36: ...or audio circuit z MIC1 and MIC2 which may be used for both microphone and line inputs An electret microphone is usually used MIC1 and MIC2 are both differential input channels z SPK1 and SPK2 which m...

Page 37: ...riod largely depends on the application design In some cases GSM850 GSM900 TDD noise is more severe while in other cases DCS1800 PCS1900 TDD noise is more obvious Therefore customer can have a choice...

Page 38: ...ule UC15 Hardware Design UC15_Hardware_Design Confidential Released 37 72 Figure 17 Microphone reference design for MIC1 MIC2 3 10 3 Receiver and speaker interface configuration Figure 18 Reference de...

Page 39: ...ESD 33pF 0603 33pF 0603 GND 10pF 0603 ESD 10pF 0603 33pF 0603 Figure 19 Reference design with an amplifier for SPK1 Texas Instruments TPA6205A1 is recommended for a suitable differential audio amplif...

Page 40: ...Design Confidential Released 39 72 Figure 21 Reference design with an amplifier for SPK2 1 The value of C1 and C2 depends on the input impedance of audio amplifier 3 10 4 Earphone interface configurat...

Page 41: ...Voltage 1 65 1 8 1 95 V Working Current 20 1500 uA External Microphone Load Resistance 2 2 kOhm Table 14 Typical speaker characteristic Parameter MIN Typ Max Unit Normal Output SPK1 Differential Load...

Page 42: ...IM Interface Pin Name Pin No I O Description Comment USIM_VDD 12 PO Power supply for USIM card Either 1 8V or 3V is supported by the module automatically USIM_DATA 13 IO Data signal of USIM card USIM_...

Page 43: ...and VBAT alignment z Assure the ground between module and USIM cassette short and wide Keep the width of ground and USIM_VDD no less than 0 5mm to maintain the same electric potential The decouple cap...

Page 44: ...Please visit http www molex com for more information Figure 25 Molex 91228 USIM Card Holder Table 16 Pin Description of Molex USIM Card Holder Name Pin Function VDD C1 USIM card power supply RST C2 U...

Page 45: ...henol C707 10M006 512 2 Please visit http www amphenol com for more information Figure 26 Amphenol C707 10M006 512 2 USIM Card Holder Table 17 Pin Description of Amphenol USIM Card Holder Name Pin Fun...

Page 46: ...nterface Table 18 USB Pin Description Pin Name Pin No I O Description Comment USB_DP 62 IO USB differential data bus positive Require differential impedance of 90 USB_DM 63 IO USB differential data bu...

Page 47: ...upper and lower layer but also right and left side z Keep the ESD components as closer to the USB connector as possible UC15 module only can be used as a slave device 3 12 1 Firmware upgrade The USB...

Page 48: ...m Min Typ Max Unit Conditions Comments ADC0 voltage range 0 2 1 V Analog Vdd ADC reference 2 4MHZ sample rate ADC1 voltage range 0 2 1 V ADC resolution 12 bits Offset error 4 40 LSB Analog Vdd ADC ref...

Page 49: ...rching Flicker slowly 1800ms High 200ms Low Idle Flicker quickly 125ms High 125ms Low Data transfer is ongoing Always High Voice calling Always Low Sleep A reference circuit is shown in the following...

Page 50: ...nfidential Released 49 72 Table 23 Pin Definition of STATUS Pin Name Pin No I O Description Comment STATUS 54 DO Indicate the module operation status 2 6V power domain A reference circuit is shown in...

Page 51: ...Antenna Pin Name Pin No I O Description Comment RF_ANT 43 IO RF antenna pad 50 impedance 4 1 2 Operating Frequency Table 25 The Module Operating Frequencies Band Receive Transmit Unit GSM850 869 894 8...

Page 52: ...performance The capacitors are not mounted by default Figure 31 Reference Circuit of Antenna Interface 4 2 Antenna Installation 4 2 1 Antenna Requirement To minimize the loss on the RF trace and RF ca...

Page 53: ...upply and voltage on digital and analog pins of module are listed in the following table Table 27 Absolute Maximum Ratings Parameter Min Max Unit VBAT_RF VBAT_BB 0 5 6 0 V USB_VBUS 0 5 6 0 V Peak curr...

Page 54: ...l on GSM850 and EGSM900 400 mV IVBAT Peak supply current during transmission slot Maximum power control level on GSM850 and EGSM900 1 8 2 0 A USB_VBUS USB detection 4 75 5 0 5 25 V 5 3 Operating Tempe...

Page 55: ...cted DRX 9 2 3 mA Sleep USB connected DRX 2 4 6 mA Sleep USB connected DRX 5 2 8 mA Sleep USB connected DRX 9 2 5 mA WCDMA supply current Sleep USB disconnected DRX 6 4 7 mA Sleep USB disconnected DRX...

Page 56: ...DCS1800 1DL 4UL PCL 2 291 mA PCS1900 3DL 2UL PCL 2 209 mA PCS1900 1DL 4UL PCL 2 293 mA HSDPA data transfer UMTS2100 POWER 23dbm CQI 22 550 mA UMTS2100 POWER 21dbm CQI 5 520 mA UMTS2100 POWER 5dbm CQI...

Page 57: ...37 mA PCS1900 PCL 0 237 mA WCDMA voice call UMTS2100 Power 23dBm 539 mA UMTS2100 Power 21dBm 461 mA UMTS2100 Power 10dBm 195 mA UMTS1900 Power 23dBm 604 mA UMTS1900 Power 21dBm 507 mA UMTS1900 Power 1...

Page 58: ...PCS1900 30dBm 2dB 0dBm 5dB GSM850 8 PSK 27dBm 3dB 5dBm 5dB EGSM900 8 PSK 27dBm 3dB 5dBm 5dB DCS1800 8 PSK 26dBm 3 4dB 0dBm 5dB PCS1900 8 PSK 26dBm 3 4dB 0dBm 5dB UMTS850 24dBm 1 3dB 56dBm 5dB UMTS900...

Page 59: ...protected against electrostatics discharge ESD in general Consequently it is subject to ESD handling precautions that typically apply to ESD sensitive components Proper ESD handling and packaging proc...

Page 60: ...onfidential Released 59 72 6 Mechanical Dimensions This chapter describes the mechanical dimensions of the module All dimensions are measured in mm 6 1 Mechanical Dimensions of the Module 1 0 0 1 27 1...

Page 61: ...UMTS HSDPA Module UC15 Hardware Design UC15_Hardware_Design Confidential Released 60 72 3 4 3 2 3 4 3 2 3 4 3 2 4 8 29 29 Figure 33 UC15 Bottom Dimensions Bottom view...

Page 62: ...UMTS HSDPA Module UC15 Hardware Design UC15_Hardware_Design Confidential Released 61 72 Figure 34 Bottom Pads Dimensions Bottom view...

Page 63: ...0 0 2 0 0 0 4 0 4 8 0 1 2 6 0 0 9 0 1 2 6 0 1 4 5 0 1 4 5 0 1 4 5 0 1 4 5 0 3 1 0 6 5 0 3 5 0 6 7 0 0 1 0 4 8 0 9 6 0 4 8 0 9 6 0 0 6 5 9 7 5 0 6 5 9 7 5 0 8 0 1 3 0 9 7 0 1 0 0 3 9 0 2 3 0 0 7 0 0 9...

Page 64: ...DPA Module UC15 Hardware Design UC15_Hardware_Design Confidential Released 63 72 6 3 Top View of the Module Figure 36 Top View of the Module 6 4 Bottom View of the Module Figure 37 Bottom View of the...

Page 65: ...mperature process must be z Mounted within 72 hours at factory conditions of 30 C 60 RH z Stored at 10 RH Devices require bake before mounting if z Humidity indicator card is 10 when read 23 C 5 C z M...

Page 66: ...e on a single pass To ensure the module soldering quality the thickness of stencil at the hole of the module pads should be 0 18mm For details please refer to document 5 It is suggested that peak refl...

Page 67: ...n UC15 and UC20 Compatible Reference Design 5 Module_Secondary_SMT_User_Guide Module Secondary SMT User Guide Table 35 Terms and Abbreviations Abbreviation Description AMR Adaptive Multi rate bps bits...

Page 68: ...eed Down Link Packet Access I O Input Output IMEI International Mobile Equipment Identity Imax Maximum Load Current Inorm Normal Current LED Light Emitting Diode LNA Low Noise Amplifier MO Mobile Orig...

Page 69: ...Telecommunications System URC Unsolicited Result Code USIM Universal Subscriber Identity Module USSD Unstructured Supplementary Service Data Vmax Maximum Voltage Value Vnorm Normal Voltage Value Vmin...

Page 70: ...odule UC15 Hardware Design UC15_Hardware_Design Confidential Released 69 72 VOLmax Maximum Output Low Level Voltage Value VOLmin Minimum Output Low Level Voltage Value WCDMA Wideband Code Division Mul...

Page 71: ...oding Scheme Table 36 Description of Different Coding Schemes Scheme CS 1 CS 2 CS 3 C4 4 Code Rate 1 2 2 3 3 4 1 USF 3 3 3 3 Pre coded USF 3 6 6 12 Radio Block excl USF and BCS 181 268 312 428 BCS 40...

Page 72: ...1 or 2 2 the first number indicates the amount of downlink timeslots while the second number indicates the amount of uplink timeslots The active slots determine the total number of slots the GPRS devi...

Page 73: ...4kbps 26 8kbps 53 6kbps CS 3 GMSK 15 6kbps 31 2kbps 62 4kbps CS 4 GMSK 21 4kbps 42 8kbps 85 6kbps MCS 1 GMSK C 8 80 kbps 17 60 kbps 35 20 kbps MCS 2 GMSK B 11 2 kbps 22 4 kbps 44 8 kbps MCS 3 GMSK A...

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