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Fibocom NL668-AM Series, Hardware User Manual

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Fibocom NL668-AM Series Hardware User Manual Download Page 48

 

Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. 

FIBOCOM NL668-AM Hardware User Manual

 

 

  Page 48 of 62

 

NL668-AM module main antenna requirements 

Input power 

> 23dBm average power WCDMA & LTE 

Standing wave ratio 

recommended 

≤ 2:1 

GNSS 

Frequency range: 1559MHz~1607MHz 

Polarization type: right-circular or linear polarization 

VSWR:

：

< 2(Type) 

Passive antenna gain:> 0dBi 

Table 4-5 Main Antenna Requirement 

 

Summary of Contents for NL668-AM Series

Page 1: ...ction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 1 of 62 FIBOCOM NL668 AM Hardware User Manual Version V1 0 1 Date 2018...

Page 2: ...ritten authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 2 of 62 Applicability type No Product model Description 1 NL668 AM 00 MCP is 4 2 and supports MAIN_ANT DIV_ANT GNSS_...

Page 3: ...ent in any form Attention The document is subject to update from time to time owing to the product version upgrade or other reasons Unless otherwise specified the document only serves as the user guid...

Page 4: ...2 3 Hardware Diagram 14 3 Application Interface 16 3 1 LCC Interface 16 3 1 1 Pin distribution 16 3 1 2 Pin definition 17 3 2 Power Supply 22 3 2 1 Power supply 23 3 2 2 1 8V Output 24 3 2 3 Power co...

Page 5: ...Operating Frequency 43 4 2 RF Output Power of NL668 AM 43 4 3 RF Receiving Sensitivity of NL668 AM 44 4 4 GNSS Receiver 44 4 4 1 Basic description 44 4 5 RF PCB Design 45 4 5 1 Antenna RF connector 4...

Page 6: ...rcuit 29 Figure 3 10 Reset Control Timing 29 Figure 3 11 SIM Card Slot Diagram SIM016 8P 220P 32 Figure 3 12 USIM SIM Interface with Detection Signal Reference Design 32 Figure 3 13 USIM SIM Interface...

Page 7: ...el Switched AT command 34 Table 3 13 Main Serial Port Pin 35 Table 3 14 Debug Serial Port Pin 35 Table 3 15 Network Indication pins 36 Table 3 16 Network Indicator Status Description 37 Table 3 17 W_D...

Page 8: ...Reproduction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 8 of 62 Table A 0 1 Terms and Acronyms 56...

Page 9: ...le for the consequences caused by the user s misuse Road safety first When you drive do not use the handheld devices even if it has a hand free feature Please stop and call Please turn off the mobile...

Page 10: ...specification Radio transmission and reception FDD Part 1 Conformance specification 3GPP TS 34 122 V10 1 0 Technical Specification Group Radio Access Network Radio transmission and reception TDD 3GPP...

Page 11: ...radiated radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference...

Page 12: ...re guidelines for an uncontrolled environment can be satisfied The end user has to also be informed that any changes or modifications not expressly approved by the manufacturer could void the user s a...

Page 13: ...LTE FDD Band 2 4 5 12 13 17 66 71 WCDMA Band 2 4 5 NL668 AM 01 LTE FDD Band 2 4 5 12 13 17 66 WCDMA Band 2 4 5 Data transmission LTE FDD Rel 9 150Mbps DL 50Mbps UL Cat 4 LTE Downlink MIMO 2x2 4x2 WCDM...

Page 14: ...ID Call Transfer Call Hold Call Waiting and Multi Talk etc SMS point to point MO MT cell broadcast support Text and PDU modes MMS service Need AP to realize MMS protocol Table 2 1 Product Specificatio...

Page 15: ...Reproduction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 15 of 62 Figure 2 1 Hardware Diagram...

Page 16: ...2 3 Application Interface 3 1 LCC Interface NL668 AM module adopts LCC packaging with a total of 144 pins 3 1 1 Pin distribution Figure 3 1 Pin Distribution Diagram TOP plan perspective diagram Note 7...

Page 17: ...Reserved 4 W_DISABLE I VILmin 0 3V VILmax 0 6V VIHmin 1 2V VIHmax 2 0V Module flight mode control 5 NET_MODE O VOHmin 1 35V VOLmax 0 45V Module state indicate 6 NET_STATUS O VOHmin 1 35V VOLmax 0 45V...

Page 18: ...data signal cable 16 USIM _CLK O For 1 8V USIM VOLmax 0 45V VOHmin 1 35V For3 0V USIM VOLmax 0 45V VOHmin 2 55V USIM clock signal cable 17 USIM _RST O For 1 8V USIM VOLmax 0 45V VOHmin 1 35V For 3 0V...

Page 19: ...max 0 45V VOHmin 1 35V VILmin 0 3V VILmax 0 6V VIHmin 1 2V VIHmax 2 0V PCM clock signal 28 SDC2_DATA3 I O Reserved 29 SDC2_DATA2 I O Reserved 30 SDC2_DATA1 I O Reserved 31 SDC2_DATA0 I O Reserved 32 S...

Page 20: ...F power input 3 3V 4 3V 58 VBAT_RF I Vmax 4 3V Vmin 3 3V Vnorm 3 8V RF power input 3 3V 4 3V 59 VBAT_BB I Vmax 4 3V Vmin 3 3V Vnorm 3 8V Baseband power input 3 3V 4 3V 60 VBAT_BB I Vmax 4 3V Vmin 3 3V...

Page 21: ...pecification USB differential data bus 71 USB_VBUS I Vmax 5 25V Vmin 3 0V Vnorm 5 0V USB plug detection 72 GND G Ground 73 112 GND G Ground 113 NC NC 114 NC NC 115 USB_BOOT I VILmin 0 3V VILmax 0 6V V...

Page 22: ...NC 141 NC NC 142 NC NC 143 NC NC 144 NC NC Table 3 1 Pin Definitions Note Keep the unused pins floating Pin73 Pin112 is the module thermal pad and the corresponding ground pad is reserved for PCB pack...

Page 23: ...capacitor Battery power can be properly reduced to 100 220uF capacitor 1uF 100nF Digital signal noise Filter clock and digital signal interference 39pF 33pF 700 850 900 MHz bands Filter low band RF in...

Page 24: ...s on or off or for external low current 80mA circuit If it is not in use keep it in floating status The logic level of VDD_EXT is defined as follows Parameter Minimum Typical Maximum Unit VDD_EXT 1 71...

Page 25: ...750 LTE FDD Data transfer Band 5 23dBm 640 LTE FDD Data transfer Band 12 23dBm 640 LTE FDD Data transfer Band 13 23dBm 680 LTE FDD Data transfer Band 17 23dBm 680 LTE FDD Data transfer Band 66 23dBm...

Page 26: ...cuit reference When the NL668 AM module is in power off mode the module will power on by pulling down PWRKEY for 100ms 2s It is recommended to use OC OD drive circuit to control PWRKEY pin The referen...

Page 27: ...EY pin should not be less than 30ms 3 3 2 Module power off The module supports the following three power off modes Power off mode Power off methods Applicable scenarios Low voltage power off When VBAT...

Page 28: ...gh level state after the power off command is executed otherwise the module will power on again after the power off complete Figure 3 7 Power off Timing Control Diagram 3 3 3 Module reset NL668 AMmodu...

Page 29: ...All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 29 of 62 Figure 3 8 RESET_N OC OD Drive Reference Circuit Another reset control is shown in Figure 3 9 Figure 3 9 RESET_N Button Referen...

Page 30: ...USB_DM I O 70 USB differential data bus D USB_DP I O 69 USB differential data bus D USB_VBUS PI 71 USB_DET Table 3 9 USB Interface Definition At present USB just support USB_VBUS detect For more infor...

Page 31: ...in is shown in the following table Pin name I O Pin Description USIM_DATA I O 15 USIM SIM DATA USIM_CLK O 16 Clock Signal USIM_RESET O 17 RESET Signal USIM_VDD O 14 USIM SIM Power USIM_PRESENCE I 13 D...

Page 32: ...re User Manual Page 32 of 62 Figure 3 11 SIM Card Slot Diagram SIM016 8P 220P Figure 3 12 USIM SIM Interface with Detection Signal Reference Design Principles of SIM card slot with detection signal ar...

Page 33: ...the following table AT command SIM card hot plug detection Function description AT MSMPD 1 Enabled Default SIM card hot plug detection is enabled The module detects whether the SIM card is inserted t...

Page 34: ...ve anti interference ability The length of cable from the module to the SIM card slot shall not exceed 100mm Longer cable reduces signal quality USIM_CLK and USIM_DATA signals are ground isolated to a...

Page 35: ...ata DBG_TXD O 12 Module Transmit data Table 3 14 Debug Serial Port Pin 3 6 2 UART port application The serial port level of NL668 AM LCC module is 1 8V If the level of the client host system is 3 3V o...

Page 36: ...des three network indication pins Pin 5 is network status indicator by default AT commands AT LEDCFG can switch to pin 6 or pin 61 PIN Name I O PIN Num Description NET_MODE O 5 Network status indicato...

Page 37: ...ign Diagram 3 8 Low Power Mode 3 8 1 Flight mode W_DISABLE Pin Description Pin name I O Pin Description W_DISABLE I 4 Module flight mode control Table 3 17 W_DISABLE Pin Description NL668 AM supports...

Page 38: ...If the host does not supports USB Suspend and does not support VBUS function the module can enter sleep mode by disconnecting USB_VBUS from the external control circuit Sleep Sent AT GTLPMMODE 1 X com...

Page 39: ...P_IN line X 0 low level active to be recall X 1 high level active to be recall 3 8 2 5 UART application DTR level control When host and NL668 module has connected through UART use the following steps...

Page 40: ...audio interface including PCM_CLK PCM_SYNC and PCM_IN PCM_OUT 3 9 1 Support model NUM Product model Description 1 NL668 AM 00 support 2 NL668 AM 01 support Table 3 19 Support model 3 9 2 PCM interfac...

Page 41: ...of 62 technical support 3 9 4 PCM signal description NL668 AM main chip support PCM signal adopts domestic mainstream Europe E1 standard PCM_CLK is a 2 048MHz clock in 16bit linear format encoding PC...

Page 42: ...Parameters 3 10 ADC function NL668 AM support the 2 channels ADC interface Use AT TADC 0 to read the value on the ADC0 interface Use AT TADC 1 to read the value on the ADC1 interface The ADC range is...

Page 43: ...MHz Bandwidth 1 RB Band 12 23 1 10MHz Bandwidth 1 RB Band 13 23 1 10MHz Bandwidth 1 RB Band 17 23 1 10MHz Bandwidth 1 RB Band 66 23 1 10MHz Bandwidth 1 RB Band 71 23 1 10MHz Bandwidth 1 RB Table 4 2 R...

Page 44: ...97 99 10MHz Band width Band 17 98 98 10MHz Band width Band 66 97 8 98 10MHz Band width Band 71 98 99 10MHz Band width Table 4 3 RF Receiving Sensitivity Note The sensitivity in the above table is the...

Page 45: ...s recommended that clients use the U FL R SMT 1 antenna connector and the matching RF adapter cable Antenna is a sensitive device susceptible to the external environment For example the location of th...

Page 46: ...ground to avoid other signal cable near the antenna Recommend a complete ground level and use this complete ground level as a reference ground The ground around the antenna must be connected to the ma...

Page 47: ...ions Gain is a collection of antenna benefits and antenna directivity Recommended antenna gain 2 5dBi 6 Interference In addition to the antenna performance other interferences on the PCB also may affe...

Page 48: ...are User Manual Page 48 of 62 NL668 AM module main antenna requirements Input power 23dBm average power WCDMA LTE Standing wave ratio recommended 2 1 GNSS Frequency range 1559MHz 1607MHz Polarization...

Page 49: ...ent temperature range NL668 AM module is recommended to operate at 30 75 ambient It is recommended that the application uses temperature control measures under harsh environmental conditions At the sa...

Page 50: ...Temperature 85 3 24 hours in shutdown state Temperature shock test In shutdown state 0 5 hour at 40 and 85 environment respectively the temperature conversion time 3min for 24 cycles High temperature...

Page 51: ...cur in the transport and secondary development so developers should consider ESD protection for the final product In addition to considering anti static treatment for packaging please refer to recomme...

Page 52: ...l Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 52 of 62 6 Structure Specification 6 1 Product Appearance The product appearance for NL668 AM module is shown in Figure 6 1 and 6 2 Figure...

Page 53: ...COM NL668 AM Hardware User Manual Page 53 of 62 6 2 Dimension of Structure The structural dimension of the NL668 AM module is shown in Figure 6 3 Figure 6 3 Dimension of Structure Unit mm 6 3 SMT Patc...

Page 54: ...EGSM Extended GSM900 Band FDD Frequency Division Duplexing GMSK Gaussian Minimum Shift Keying GSM Global System for Mobile Communications HSDPA High Speed Down Link Packet Access IMEI International Mo...

Page 55: ...Message Service TDMA Time Division Multiple Access TE Terminal Equipment TX Transmitting Direction TDD Time Division Duplexing UART Universal Asynchronous Receiver Transmitter UMTS Universal Mobile Te...

Page 56: ...Voltage Value VImax Absolute Maximum Input Voltage Value VImin Absolute Minimum Input Voltage Value VOHmax Maximum Output High Level Voltage Value VOHmin Minimum Output High Level Voltage Value VOLmax...

Page 57: ...n forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 57 of 62 Appendix B ADP MiniPCIe RF ports trace 1 NL668 AM MiniPCIe a Prim...

Page 58: ...Reproduction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 58 of 62 b Diversity Antenna...

Page 59: ...Reproduction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 59 of 62 c GNSS Antenna...

Page 60: ...Reproduction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 60 of 62 2 NL668 AM ADP a Primary Antenna...

Page 61: ...Reproduction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 61 of 62 b Diversity Antenna...

Page 62: ...Reproduction forbidden without Fibocom Wireless Inc written authorization All Rights Reserved FIBOCOM NL668 AM Hardware User Manual Page 62 of 62 c GNSS Antenna...

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