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UC20 EVB User Guide

1. QUECTE Wireless Module Expert Close to Socket Differential layout GND GND GND 10uF U401 ESD mic 75pF 15pF G MIC ACND I HG l G J Codec 22uF Close to Socket TAN NAU8814 SPKOUT 4 AN AGND 15pF 75pF 4 AGND m wn iv GND Figure 10 Earphone Circuit Figure 11 Pin Assignment of J404 Table 5 Pin Assignment of J404 J404 Pin Pin Name 1 AGND 2 MICP 3 SPKP 4 5 NC UC20 EVB User Guide Function Dedicated GND for Audio Positive microphone input Positive speaker output Confidential Released 17 30 QUECTES UMTS HSPA Module Series Wireless Module Experti UC20 EVB User Guide The following figure shows the sketch of audio plug which suits for the audio jack on UC20 EVB Figure 12 The Sketch of Audio Plug 3 3 3 Handset J401 A handset can be used in audio interface J401 Figure 13 shows the circuit of audio interface J401 for handset And the name of the corresponding pins has been marked on the EVB U401 o 0 0 Esp ESD Codec 1 chee G HI NAU8814 TL D FB J401 YN e INN o oo 1 NIN n e n 3 HI e6 ee e 2 ESD ESD ispF 75pF P5pF 75pF t5pF 75pF bene GG e o 0 e Figure 13 Handset Circuit UC20 EVB User Guide Confidential Released 18 30 QUECTE S Wireless Module Expert Table 6 Pin Ass
2. Confidential Released 20 30 QUECTES UMTS HSPA Module Series ds Wireless Module Expert UC20 EVB User Guide 3 5 UART Interface UC20 EVB offers two UART interfaces COM1 Main UART port and COM2 And COM2 is reserved The UART interface COM1 of the UC20 EVB is intended for the communication between the module and the host application This interface can be used for data transmission and AT communication The following figure shows the UART block diagram on UC20 EVB J301 UC20 Mini PCle UC20 TE A J801 CHOT COM1 DB9 RS232 3 3V 1 8V lt gt Level Match DH Level Translate RS232 3 3V 1 8V Figure 16 UART Block Diagram COM1 MAIN g 887 NG at HOHE m Figure 17 Main UART Port J301 UC20 EVB User Guide Confidential Released 21 30 QUECTES UMTS HSPA Module Series ds Wireless Module Expert UC20 EVB User Guide Table 8 Pin Assignment of J301 J301 Pin Signal Name 1 0 Description 1 RS232 DCD O Data carrier detection 2 RS232 RXD Receive data 3 RS232_TXD O Transmit data 4 RS232_DTR Data terminal ready 5 RS232_GND GND 6 NC NC 7 RS232_RTS Request to send 8 RS232_CTS O Clear to send l 9 RS232_RI O Ring kaaa 3 6 Switch and Buttons UC20 EVB comprises two buttons S202 and S203 and one switch S201 Figure 18 shows the switch and buttons Figure 18 Switch and Buttons UC20_EVB_User_Guide Confiden
3. operate the UMTS module via AT commands UC20 EVB User Guide Confidential Released 27 30 QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide 4 4 2 Communication via UART Interface 1 Install the USB to RS232 driver from the Driver Disk 2 Connect the UART interface to PC with USB to RS232 converter cable 3 Configure AT Command Window set correct baud rate such as 115200bps and COM number which can be checked by the Device Manager on PC 4 Power on the UMTS module and operate the UMTS module via AT commands 4 5 Firmware Upgrade UC20 upgrades firmware via USB port by default follow the procedures below to upgrade firmware Open the firmware upgrade tool QFlash in the PC and power on the UMTS module Click the COM Port dropdown list and select the USB DM port Click the Load FW Files button to choose the firmware document package Click the Start button to upgrade the firmware AN MON Upgrade Fw Config COM Port EME v Load FW Files Baudrate 921600 vw Name Location ENPRG6695 D UC20EQA4R01402M1024 SCAUTNZ ENPRG6695 hex NPRG6695 D UC20EQARO1402M1024 SCAUTNZ NPRG6695 hex PARTITION D UC2Z0EQAR01402M1024 SCAUTNZ partition mbn DBL D UC20EQARO1402M102415CAUTNZ1dbl mbn FSBL D UC20EQ4R01402M1024 SCAUTNZ Fsbl mbn OSBL D UC20EQ4R01402M1024 SCAUTNZ osbl mbn AMSS D UC20EQ4R01402M1024 SCAUTNZ amss mbn EFS_0409 D UC20EQ
4. 01 Reference State Description D101 Always ON Registered to network STATUS Always OFF Others 4 2 Power Off UC20 TE A and UC20 Mini PCle There are several ways to power off UC20 TE A module and UC20 Mini PCle module One way is to execute AT command AT QPOWD refer to document 2 lt is the best and safest approach It logs off the network and saves data before it is shut down This way suits for UC20 TE A module and UC20 Mini PCle module but UC20 Mini PCle module will be powered on again after shut down The other way is to press S202 PWRKEY at least 0 6 second and then release the module will be shut down This way is only used for UC20 TE A module 4 3 Reset UC20 TE A and UC20 Mini PCle The emergency restart option is only used in the case of emergency For example the software does not respond for more than 5 seconds due to some serious problems Pull down the UMTS module s reset pin by pressing the key S203 more than 150ms to release a reset and then reset UMTS module This may cause the loss of information stored in the memory since the reset is initialized 4 4 Communication via USB or UART Interface 4 4 1 Communication via USB Interface 1 Power on the UMTS module 2 Connect EVB and PC with USB cable through USB interface refer to document 1 to install USB driver from the Driver Disk select communication port number as below JJ USB AT Port COM46 3 Configure AT Command Window correct port and
5. A E 28 5 UC20 EVE Accessories Assembly A ia 29 6 Appendix RefereCe s ss sss ss55ss555555555 55555555555555555555555555555555555555555555555155255555555535554552555151555155515355155513 30 UC20_EVB_User_Guide Confidential Released 3 30 QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide Table Index TABLE 1 gt FEATURE S nia antes anton e a E E a 8 TABLE 2 INTERFACES OF UC20 EVB siirsin nionane ieni aaae dadas 9 TABLE 3 ACCESSORIES LIST cuocacnanaian Avi issn ences aa eE S aR aa es 11 TABLE 4 PIN ASSIGNMENT OF USB DEVICE INTERFACE J601 coocnccciccccccnncconononaninancnnn cono nono ncnn nono na no nannnnnn 15 TABLES PIN ASSIGNMENTOF 3404 oia Aa 17 TABLE 6 PIN ASSIGNMENT OF J40 anan GAAN aia 19 TABLE 7 PINASSIGNMENIT OF JDO2 ama Ama RANGING aa 20 TABLE 8 PINASSIGNMENT OF P30 naaa caca ii AG 22 TABLE 97 DESCRIPTION OF SWITCHAND BUTTONS 20nn NGANGA AG ASAL 23 TABLE 10 DESCRIPTION OF STATUS LEDS 111111 mamana cc renacer en 23 TABLE 11 PINASSIGNMENT OPI701 mamana kagaanan a ABRs ace tant ee eee 24 TABLE 12 INDICATION OF D102 AND D104 ul nranasan O A aang 26 TABLE 13 INDICATION OF D104 Ll mumu deere rn O NB ia 27 TABLE 14 RELATED DOCUMENTS 1 mn AB ecc arce RG 30 UC20 EVB User Guide Confidential Released 4 30 QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide Figure Index FIGURE 17 SYSTEM OVERVIEW nanana fed ei oie 9 FIGURE 2 EVB TOP VIEW concordar add ds 11
6. A4R01402M1024 SCAUTNZ efs_0409 mbn QCN A D UC20EQAR01402M1024 SCAUTNZ UCZ20 QCN Do not remove USB or terminate the downloading process before it completes Ready in NINE Figure 21 Select the USB DM Port to Update Firmware UC20 EVB User Guide Confidential Released 28 30 QUECTESZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide 5 UC20 EVB Accessories Assembly Figure 22 UC20 EVB and Accessories Equipment UC20_EVB_User_Guide Confidential Released 29 30 QUECTE Wireless Module Expert 6 Appendix Reference Table 14 Related Documents SN Document Name 1 Quectel UC20 Windows USB Driver User Guide 2 Quectel UC20 AT Commands Manual UMTS HSPA Module Series UC20 EVB User Guide Remark Install USB driver of UC20 module in Windows XP Vista 7 8 UC20 AT Commands Manual UC20 EVB User Guide Confidential Released 30 30
7. E A module and UC20 Mini PCle module This EVB can test all functionalities of these two modules 2 1 Key Features Table 1 Features Features Power Supply SIM Interface Audio Interface UART Interface USB Interface Signal Indication Physical Characteristics UC20 EVB User Guide Implementation DC supply 4 5 5 5V typically 5V VBAT 3 8V at J102 VDD_3 3 3 3V at J702 SIM card 8 pins connector with front tray loading and support card detection Support SIM card 3V and 1 8V Analog interface used for loud speaker earphone and handset Both UC20 TE A and UC20 Mini PCle Two UART interfaces COM1 serial interface for data communication default 115200bps COM2 serial interface for debug purpose reserved Max baud rate for COM1 460800 bps USB 2 0 5 LEDs are available for signal indication Size 13 6 10 6 cm Confidential Released 8 30 QUECTE S UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide 2 2 System Overview J301 J702 J102 Test points O O 30 29 fig 9 ag UC20 Mini PCle 1 J701 10 9 E UC20 TE A J604 3302 o 2 52 ne 2 1 Q J801 fe E 2 1 1 a N gt O O 5 am Le VDD 3 3 VBAT Ba Status LEDs 3 i ee D103 D101 D607 D104 D102 J502 SE E S201 J503 J401 J601 S202 _ 203 J4og 7 vent NENE g ee 5 5 i i E Power Power Micro
8. FIGURE 3 EVB ACCESSORIE Srni a apean ea 12 FIGURE 4 SIMPLIFIED POWER SUPPLY SCHEMATIC sirrinin inais 13 FIGURE 5 POWER INTERFACE maana aii 14 FIGURE 6 POWER PLUG aa aa na sae ah tata aa AA AA a 14 FIGURE 7 GIRGCUIT OFUSBIINTERFACE aaa AN RN ates senate daieetinena teats 15 FIGURE 8 AUDIO CODEC CIRCUIT namanang AA TARANTA AEI KAN aaa 16 FIGURE 9 LOUD SPEAKER CIRCUIT sectors a ala banaag 16 FIGURE 10 EARPHONE CIRCUIT cocotero 17 FIGURE 11 PINASSIGNMENT ORJ404 ania kaa mania Maa 17 FIGURE 12 THE SKETCH OF AUDIO PLUG ul namana aagaw haa aa kanang 18 FIGURE 13 HANDSET CIRCUIT mma aa naa Alang Me ogee Mir 18 FIGURE 14 SIMPLIFIED SIM CARD INTERFACE SCHEMATIC cece anna sana aana sanan 19 FIGURE 15 PINS ASSIGNMENT OF SIM CARD HOLDER Y e S nan haan aero ae 20 FIGURE 16 UART BLOCK DIAGRAM an Paa Baa Ma MW TAO 21 FIGURE 17 MAIN UART PORT J301 2 B0 paan naan yin Wa Ba 21 FIGURE 18 SWITCH AND BUTTONS BB BB Ba A o An Ba 22 FIGURE 19 STATUSILEBS YA A AA anng Apna ina NA a 23 FIGURE 20 TESS POINTS MA Fic Baan ii O NB a Banana 24 FIGURE 21 SELECT THE USB DM PORT TO UPDATE FIRMWARE ERAR M iea 28 FIGURE 22 UC20 EVB AND ACCESSORIES EQUIPMENT 111 111r norris 29 UC20 EVB User Guide Confidential Released 5 30 QUECTE S UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide 1 Introduction This document describes the evaluation board of UC20 The UC20 evaluation bo
9. QUECTE ASS ales Module Expert UC20 EVB User Guide UMTS HSPA Module Series Rev UC20 EVB User Guide V1 2 Date 2014 02 17 www quectel com QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide Our aim is to provide customers with timely and comprehensive service For any assistance please contact our company headquarters Quectel Wireless Solutions Co Ltd Office 501 Building 13 No 99 Tianzhou Road Shanghai China 200233 Tel 86 21 5108 6236 Mail info quectel com Or our local office for more information please visit http Awww quectel com support salesupport aspx For technical support to report documentation errors please visit http www quectel com support techsupport aspx GENERAL NOTES QUECTEL OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS THE INFORMATION PROVIDED 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 AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION THE INFORMATION SUPPLIED HEREIN IS SUBJECT TO CHANGE WITHOUT PRIOR NOTICE COPYRIGHT THIS INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF QUECTEL CO LTD TRANSMITTABLE REPRODUCTION DISSEMINATION AND EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THIS CON
10. SN MP638060400036 Figure 5 Power Interface You need to use the right DC adapter provided by Quectel shown as Figure 6 Inner contact Outer contact Figure 6 Power Plug NOTE In download mode USB_VBUS can be used to supply power to UC20 TE A module While in other modes it is not recommended to use USB_VBUS to supply power due to current limitation 3 2 USB Device Interface Both UC20 TE A and UC20 Mini PCle provide a USB 2 0 interface which complies with USB 2 0 standard for high speed 480Mbps functions It is used for AT command data transmission firmware upgrade and GNSS NMEA output UC20_EVB_User_Guide Confidential Released 14 30 QUECTE S UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide UC20 EVB provides a Micro USB receptacle J601 to connect a host device The USB data lines USB_DP and USB_DM are connected directly to the UC20 TE A and UC20 Mini PCle USB_VBUS USB_DM USB_DP USB_ID R601 lt R602 R603 UAF95 05254 S113 Figure 7 Circuit of USB Interface Table 4 Pin Assignment of USB Device Interface J601 J601 Pin Pin Name Function 1 USB_VBUS This pin is used for USB detection 2 USB DM USB serial differential bus minus 3 USB_DP USB serial differential bus positive 4 USB_ID Reserved 5 GND GND for USB interface 3 3 Audio Interface UC20 TE A and UC20 Mini PCle just provide digital audio interface PCM UC20 EVB equips an exter
11. T s RI Connected directly to UC20 Mini PCle UART s RI Ground Reserved Confidential Released 25 30 QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide 4 Operation of UMTS Module 4 1 Power On 4 1 1 Power On UC20 TE A 1 Connect the UC20 TE A module to the connector J101 on UC20 EVB charge in the 5V power adapter and pull S201 to ON state then D103 will be light 2 Press the S202 PWRKEY for at least 100ms D101 STATUS will be light and the module will be in the power on mode The following table shows the module s working state which can be judged by D102 and D104 Table 12 Indication of D102 and D104 Reference State Description 0 2s On 1 8s OFF Networks searching D102 1 8s On 0 2s OFF Idle mode NET_ST Ags 0 125s On 0 125s OFF Data transfer is ongoing with GSM 3G network Always ON Voice Calling D104 Always ON Registered to 3G network NET MODE Always OFF Others 4 1 2 Power On UC20 Mini PCle 1 Connect the UC20 Mini PCle module to the connector J801 on UC20 EVB charge in the 5V power adapter the module will be in the power on mode 2 Pull S201 to ON state D103 will be light and indicates power supply for EVB is ready D101 STATUS will be light which indicates the network registration mode UC20 EVB User Guide Confidential Released 26 30 QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide Table 13 Indication of D1
12. TENTS ARE FORBIDDEN WITHOUT PERMISSION OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES ALL RIGHTS ARE RESERVED IN THE EVENT OF A PATENT GRANT OR REGISTRATION OF A UTILITY MODEL OR DESIGN Copyright O Quectel Wireless Solutions Co Ltd 2014 All rights reserved UC20 EVB User Guide Confidential Released 1 30 QUECTE SZ Wireless Module Expert About the Document History Revision Date 1 0 2013 05 31 kA 2013 11 14 is 2014 02 17 UC20 EVB User Guide Author Jerry YOU Radom XIANG Radom XIANG UMTS HSPA Module Series UC20 EVB User Guide Description Initial 1 2 Added new interface of Mini PCle Updated general overview and interface application Added more information about UMTS module operation Clarified USB VBUS can be used as power supply of UC20 TE A module only in the download mode Added reference document for USB driver installation in Table 14 Confidential Released 2 30 QUEC TES UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide Contents About the Document viicieicia daca daca dacdadacdadacdadacdadadadadadadadadadadadadadadacdidaciccdes 2 COMNMENHS cccccccesssseeeeeeeeeeeesesseeceeeeeeessnseeseeeeeeseessseesneeeeeeesessaseseeeeeeessessessseeeesessessaeeseeeeseesessaeseseeeeeseseeseeeeees 3 Table INdeX cities 4 ball CA diia 5 CN 4 oe o Anna 6 1 4 a 10121 AP N O AA 6 O A cece ta dacesasecececaiatacecacecececesasacenacececunesasacssnceces
13. USB Piney RESET N Audio interface SIM card holder supply switch interface Figure 1 System Overview 2 3 Interface Overview Table 2 Interfaces of UC20 EVB Reference mo ir Interface Description number Power Suppl aka The power jack on the EVB board Supply voltage typically 5V A pply bottom side p J pply ge typically Power Switch 201 Control power supply VBAT ON OFF 8202 PWRKEY push button PWRKEY It s just used to turn on off the UC20 TE A module J202 Jumper is used to connect PWRKEY to GND RESET 8203 Reset push button It s used to reset the UC20 TE A module and UC20 Mini PCle module UC20 EVB User Guide Confidential Released 9 30 QUECTE SZ Wireless Module Expert Micro USB Audio SIM COM1 COM2 LEDs UC20 TE A UC20 Mini PCle VBAT VDD_3 3 Test Points J601 J402 J404 J401 bottom side J502 J503 bottom side J301 bottom side J302 bottom side D103 D101 D607 D104 D102 J101 J801 J102 J702 J701 J603 J604 UC20 EVB User Guide UMTS HSPA Module Series UC20 EVB User Guide USB device interface Used for loud speaker Used for 2 5mm earphone Used for handset SIM card holder SIM card holder not used Main UART port Reserved D103 is VBAT ON OFF indicator D101 is used for either UC20 TE A module or UC20 Mini PCle module D607 D104 and D102 are used only for indicating the status of UC20 TE A module UC20 TE A connector M
14. ard is an assisted system integrator for developing and evaluating products based on Quectel Wireless Modules 1 1 Safety Information The following safety precautions must be observed during all phases of the operation such as usage service or repair of any cellular terminal or mobile incorporating module Manufacturers of the cellular terminal should send the following safety information to users and operating personnel and to incorporate these guidelines into all manuals supplied with the product If not so Quectel does not take on any liability for customer failure to comply with these precautions ES Full attention must be given to driving at all times in order to reduce the risk of an accident Using a mobie while driving even with a handsfree kit cause distraction and can lead to an accident You must comply with laws and regulations restrcting the use of wireless devices while driving Switch off the cellular terminal or mobile before boarding an aircraft Make sure it switched off The operation of wireless appliances in an aircraft is forbidden to prevent interference with communication systems Consult the airline staff about the use of wireless devices on boarding the aircraft if your device offers a Fight Mode which must be enabled prior to boarding an aircraft Switch off your wireless device when in hospitals or clinics or other health care facilities These requests are desinged to prevent possible interference with sentit
15. ignment of J401 J401 Pin Pin Name 1 MICN 2 SPKN 3 SPKP 4 MICP 3 4 SIM Card Interface UMTS HSPA Module Series UC20 EVB User Guide Function Negative microphone input Negative speaker output Positive speaker output Positive microphone input The UC20 EVB has two integrated SIM card interfaces A suitable SIM card 3V or 1 8V is required to start the UMTS module The 8pin SIM card holder J502 placed on the UC20 EVB is from type Molex and the 6pin SIM card holder J503 is not used Figure 14 shows the simplified interface schematic for J502 J502 UC20 Mini PClg UC20 TE A SIM card holder SIM PRESENCE Figure 14 Simplified SIM Card Interface Schematic UC20 EVB User Guide Confidential Released 19 30 QUECTE SZ Wireless Module Expert UMTS HSPA Module Series UC20 EVB User Guide Figure 15 Pins Assignment of SIM Card Holder Table 7 Pin Assignment of J502 J502 Pin Signal Name 1 GND 2 MPP 3 SIM DATA 4 SIM CLK 5 SIM RST 6 SIM VDD 7 8 SIM_PRESENCE rors 1 UC20 Mini PCle does not support SIM card detection 1 0 Function Ground Not connected Data line bi directional SIM card clock SIM card reset SIM card power generated by the UMTS module Connected to GND When the SIM card cover is inserted pin 7 is connected to pin 8 SIM card detection 2 The SIM card detection function of UC20 TE A is disabled by default UC20 EVB User Guide
16. ini PCI Express connector for UC20 Mini PCle module Jumper used for VBAT voltage test Jumper used for VDD 3 3 voltage test J701 has 30 test pins J603 and J604 are internally used Confidential Released 10 30 QUECTES UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide 2 4 EVB View UC20EA 128 NCH STO UC20EQAROTAD4M 1024 Bi s2 W1372 U1003 a QUECTE UC20 SN MP63B06D05003526 ma IMEI B61075020097838 UC20EQARO1A04M 1024 UC20EA 128 NCH STD lu ka nu US 33 SN E16371805000012 1MEl 861075020008686 S2 W1372 4 EVB_V1 02 COM MAIN Figure 2 EVB Top View NOTE UC20 TE A and UC20 Mini PCle use the same EVB however they cannot be enabled at the same time 2 5 EVB Accessories All the items of EVB kit are listed in Table 3 and Figure 3 below Please contact the supplier if there is something missing Table 3 Accessories List Items Description Quantity Power Supply 5V DC switching adaptor 1 UC20_EVB_User_Guide Confidential Released 11 30 QUEC TES UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide USB to UART converter cable 1 Cables USB cable 1 RF cable 2 Main Antenna 2 Antennas GNSS Antenna passive 1 Audio Earphone 1 Disk USB2 0 to RS232 driver and USB driver disk 1 Other Bolts and nuts for fixing EVB 1 DCSV Adapter Figure 3 EVB Accessories NOTE The main antenna can also be used as diver
17. ive medical equipment GSM cellular terminals or mobiles operate over radio frequency signal and cellular network and cannot be guaranteed to connect in all conditions for example no mobile fee or an invalid SIM card While you are in this condition and need emergent help Please Remember using emergency call In order to make or receive call the cellular terminal or mobile must be switched on and in a service area with adequate cellular signal strength UC20 EVB User Guide Confidential Released 6 30 OQUWECra UMTS HSPA Module Series UC20 EVB User Guide Wireless Module Expert Your cellular terminal or mobile contains a transmitter and receiver When it is ON Y it receives and transmits radio frequency energy RF interference can occur if it is used close to TV set radio computer or other electric equipment In locations with potencially explosive atmospheres obey all posted signs to turn off wireless devices such as your phone or other cellular terminals Areas with potencially exposive atmospheres including fuelling areas below decks on boats fuel or chemical transfer or storage facilities areas where the air contains chemicals or particles such as grain dust or metal powders UC20 EVB User Guide Confidential Released 7 30 QUECTE SZ Wireless Module Expert UMTS HSPA Module Series UC20 EVB User Guide 2 General Overview Quectel supplies UC20 EVB kit for designers to develop applications based on the UC20 T
18. mode None Extinct module is not in sleep mode NET MODE indicate the module network registration mode D104 q f None Bright registered to 3G network Extinct others NET_STATUS indicate the module network D102 activity status Blinking at a certain frequency None according to various network status 3 8 Test Points J603 and J604 are internally used Figure 20 shows J701 test points ga v geo oo o ba o HERE TAE Y 5 9000000000008 N Figure 20 Test Points Table 11 Pin Assignment of J701 J401 Pin Pin Name Description 30 TXD Converted from UC20 TE A Main UART s TXD Connected directly to UC20 Mini PCle UART s TXD 28 CTS Converted from UC20 TE A Main UART s CTS Connected directly to UC20 Mini PCle UART s RTS 76 DIR Converted from UC20 TE A Main UART s DTR Connected directly to UC20 Mini PCle UART s DTR 24 RXD Converted from UC20 TE A Main UART s RXD Connected directly to UC20 Mini PCle UART s RXD 22 RTS Converted from UC20 TE A Main UART s RTS UC20 EVB User Guide Confidential Released 24 30 QUECTESZ Wireless Module Expert 20 DCD 18 RI 16 GND Others NOTE These test pins belong to 3 3V power domain UC20 EVB User Guide UMTS HSPA Module Series UC20 EVB User Guide Connected directly to UC20 Mini PCle UART s CTS Converted from UC20 TE A Main UART s DCD Connected directly to UC20 Mini PCle UART s DCD Converted from UC20 TE A Main UAR
19. nal audio codec called NAU8814 Figure 8 shows the audio codec circuit The UC20 EVB provides three analog audio interfaces J402 J404 J401 This chapter gives a detailed introduction on these analog audio interfaces UC20_EVB_User_Guide Confidential Released 15 30 OQUWECra UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide UMTS Module MIC_BIAS PCM_CLK MIC CMC MIC MIC_BIAS CODEC NAU8814 SPKOUT PCM_OUT DACIN PCM_IN ADCOUT 12C_SCL SCLK I2C SDA SDIN sPKOUT UC20 EVB Figure 8 Audio Codec Circuit 3 3 1 Loud Speaker J402 Figure 9 shows the loud speaker circuit with external audio Class D amplifier And the name of the J402 pins has been marked on the EVB Close to speaker GD U401 gs HO a Differential layout inf 75pf ESD i Amplifier FB el XA Y il 3402 Codec spKOUT 75pF NAU8814 A JIPE SPKOUT HEH JA ESD uh 75pF Ma alu E Figure 9 Loud Speaker Circuit 3 3 2 Earphone J404 An earphone can be used in audio interface J404 Figure 10 shows the circuit of audio interface J404 for earphone UC20 EVB User Guide Confidential Released 16 30 UMTS HSPA Module Series UC20 EVB User Guide
20. sity reception UC20_EVB_User_Guide Confidential Released 12 30 QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide 3 Interface Application This chapter describes the hardware interfaces of UC20 EVB shown as follows Power interface USB interface Audio interface SIM card interface UART interface It also provides information about LEDs buttons and test points to help you use the UC20 EVB 3 1 Power Interface The power supply of UC20 EVB could come from the external input which is connected with power jack on the EVB board The power jack not only connects a step down converter which can provide the supply voltage VBAT required for operating EVB and UC20 TE A module but also provides a correct voltage VDD_3 3 after a LDO power is supplied to UC20 Mini PCle module Figure 4 shows the simplified power supply schematic and Figure 5 shows the power interface of UC20 EVB U701 p VDD 3 3 ower supply to UC20 Mini PCle MIC29302WU t pm J702 gt 1 8V U202 LDO LDO 3 3V J201 u203 201 8201 U20 LDO Power supply to gt gt AAT2138 VBAT UC20 TE A m y102 Power Power supply switch Step down converter Figure 4 Simplified Power Supply Schematic UC20_EVB_User_Guide Confidential Released 13 30 QUECTE SZ UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide
21. tial Released 22 30 QUECTES UMTS HSPA Module Series Wireless Module Expert UC20 EVB User Guide Table 9 Description of Switch and Buttons Reference Description 201 Control power supply VBAT ON OFF It s just used to turn on off the UC20 TE A module 202 Press the button for at least 100ms to turn on the module Press the button for at least 0 6s and then release to turn off the module It s used to reset the UC20 TE A module and UC20 Mini PCle module Press the button for more than 150ms and then release to reset the module 203 3 7 Status LEDs UC20 EVB comprises several status LEDs D103 D101 D607 D104 D102 Figure 19 shows the position of LEDs STATUS SLEEP NET MODE NET STATUS Rizal q Y O a Figure 19 Status LEDs Table 10 Description of Status LEDs Reference Used for UC20 TE A Used for UC20 Mini PCle Power supply for module and EVB is ready Power supply for EVB is ready D103 Bright VBAT ON Bright VBAT ON Extinct VBAT OFF Extinct VBAT OFF UC20_EVB_User_Guide Confidential Released 23 30 QUECTEe2 Wireless Module Expert UMTS HSPA Module Series UC20 EVB User Guide STATUS indicate the module operation status Indicate the module network registration mode D101 Bright module powers on f f Bright registered to network Extinct module powers down f pm nd Extinct not registered or in airplane mode SLEEP indicate the sleep status D607 Bright module is in sleep
22. tuecasaassnsacesenasasavensacestsacanaaae 8 2 1 Key Features comnconnncccnnccinncnnr nana 8 2 2 ia C O 9 2 3 AAA A AA 9 2 4 EVB VIEW lasa nna giling SSA 11 2 5 EVB Accessories A A AA aan A 11 3 Interface Application mmmacoresasorasasnarasoraranoraca an rl ana rara nos na nora apa o ncracor UTE 13 3 1 NN A CA A o 13 3 2 USB Device Interface aaa 14 3 3 Audio Interface h 88 f2 a AB 20000ss0sse0ss000000022022002 cD n BB AA 15 3 3 1 Loud Speaker J402 Paneera Wan Baa Baay Ka 16 3 3 2 MFarphome JOA occ O MB aaa 16 3 3 3 Handset MIO hn O ici 18 3 4 SIMACard Interface A cc Ml cssssscsscccsssccessesssscccnscsestessene 19 3 0 MAS IA OE AA AA AA 21 3 6 Switch and Buttons ma e lb Too asana una 22 3 7 SET AA A AAA 23 3 8 O es lt A A An e 24 4 Operation of UIT TU ness coin REA RRA adasa saaana 26 4 1 AAA SSA 26 4 1 1 Power On UGC20 TE A a 26 Ako PENE Shee MIAME GIGS PPP E EEEE 26 4 2 Power Off UC20 TE A and UC20 Mini PGle aaa 27 4 3 Reset UC20 TE A and UC20 Mini PC le oooccccccccnnnccoocconnnccononononcccnnnccononnonnncnnnnncconnnnononcnnnnos 27 4 4 Communication via USB or UART Interface 11111027027QQ a 27 4 4 1 Communication via USB Interface ia haan banana 27 4 4 2 Communication via UART Interface 28 4 5 Firmware Upgrade a AA AA A

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