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SimCom SIM5320AL, User Manual

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SimCom SIM5320AL User Manual Download Page 25

Smart Machine Smart Decision

SIM5320AL_User Manual_V1.01

2014-08-20

25

Figure 11: RTC supply from capacitor

Non-chargeable battery backup

Figure 12: RTC supply from non-chargeable battery

Rechargeable battery backup

Figure 13: RTC supply from rechargeable battery

Note: The VRTC can be disabled, jus disconnect it in application circuit.

Coin-type rechargeable battery is recommended, such as XH414H-IV01E form Seiko can be used.
Typical charge-discharge curves for this battery are shown in the following figure.

Summary of Contents for SIM5320AL

Page 1: ...SIM5320AL_User_Manual...

Page 2: ...by the grantee of this device could void the user s authority to operate the equipment 3 This Transmitter must not be co located or operating in conjunction with any other antenna or transmitter 4 Cha...

Page 3: ...d giving it to others and the using or communication of the contents thereof are forbidden without express authority Offenders are liable to the payment of damages All rights reserved in the event of...

Page 4: ...C Backup 24 3 2 Power on off Time Sequence 26 3 2 1 Power on Sequence 26 3 2 2 Power off Sequence 28 3 3 UART Interface 29 3 3 1 Pin Description 30 3 3 2 Application Guide 31 3 4 Audio Interfaces For...

Page 5: ...Antenna Design Guide 51 5 Reliability and Operating Characteristics 53 5 1 Electronic Characteristics 53 5 2 Operating Mode 53 5 2 1 Operating Modes Overview 54 5 2 2 Minimize Power Consumption 54 5 3...

Page 6: ...haracteristic 38 Table 21 Electronic characteristic 39 Table 22 Pin description 39 Table 23 Electronic characteristic 40 Table 24 Pin description 40 Table 25 LED status 41 Table 26 Control status 42 T...

Page 7: ...t Decision SIM5320AL_User Manual_V1 01 2014 08 20 7 Table 43 SIM5320AL GPIOs list 58 Table 44 Digital I O characteristics 58 Table 45 Related documents 59 Table 46 Terms and Abbreviations 60 Table 47...

Page 8: ...28 Figure 18 Null modem 29 Figure 19 RI behaviour in NULL Modem 30 Figure 20 RI behaviour in FULL Modem 30 Figure 21 Speaker interface configuration 32 Figure 22 Receiver interface configuration 32 F...

Page 9: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 9...

Page 10: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 10 Revision History Data Version Description of change Author 2014 08 20 1 01 Original Libing...

Page 11: ...0MHz The SIM5320AL support HSDPA With a tiny configuration of 30 30 2 9 mm and integrated functions SIM5320AL can meet almost any space requirement in users application such as Smart phone PDA phone i...

Page 12: ...egory12 1 8 Mbps CSD feature 9 6 14 4 64 kbps UL DL Audio features SIM5320AL only Speech codec modes Half Rate ETS 06 20 Full Rate ETS 06 10 Enhanced Full Rate ETS 06 50 06 60 06 80 AMR WCDMA A5 1 A5...

Page 13: ...ommand Physical characteristics Size 30 30 2 9mm Weight 5 6g PCM SIM5320AL only Multiplex on GPIOs 3 kinds of coding formats 8 bit law or A law and 16 bit linear Firmware upgrade Firmware upgrade over...

Page 14: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 14...

Page 15: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 15 Figure 2 Pin view...

Page 16: ...ATA 18 USIM_RESET 19 USIM_CLK 20 V_USIM 21 NC 22 NC 23 NC 24 NC 25 NC 26 NC 27 KEYSENSE_N1 28 KEYSENSE_N0 29 KEYPAD_0 30 KEYPAD_2 31 KEYSENSE_N2 32 KEYSENSE_N3 33 KEYPAD_1 34 KEYPAD_4 35 KEYPAD_3 36 K...

Page 17: ...r on off POWER_ON I POWER_ON should be pulled low at least 64ms to power on or 500ms to power off the module Audio interface MIC1P I Differential audio input If it is unused connect to ground through...

Page 18: ...g Indicator UART_DTR I O DTE get ready UART_DCD O Carrier detects I2C interface I2C_SDA I O I2C data Pulled up with a 2 2kR resistor to 2 6V internally If it is unused keep open I2C_SCL O I2C clock ou...

Page 19: ...tput PIN as operating status indicating of module GPIO41 I O General input output PIN It can be used as wake interrupt signal to host from module GPIO43 I O General input output PIN It can be used as...

Page 20: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 20 Figure 3 Top dimensions Unit mm Figure 4 Side dimensions Unit mm...

Page 21: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 21 Figure 5 Bottom dimensions Unit mm 2 4 Footprint Recommendation Figure 6 Footprint recommendation Unit mm...

Page 22: ..._RF and VBAT_BB are supplied by the same voltage level they are different pins VBAT_RF is for RF section and VBAT_BB is for baseband system 2 When the module is power off users must pay attention to t...

Page 23: ...LDO is used for the power supply of the module make sure that the peak current of power components can rise up to more than 2A The following figure is the reference design of 5V input power supply Th...

Page 24: ...cific value which is set by the AT command AT CPMVT the module will be powered off automatically and AT commands cannot be executed any more Note Under voltage warning function is disabled by default...

Page 25: ...upply from non chargeable battery Rechargeable battery backup Figure 13 RTC supply from rechargeable battery Note The VRTC can be disabled jus disconnect it in application circuit Coin type rechargeab...

Page 26: ...er on off Time Sequence 3 2 1 Power on Sequence SIM5320AL can be powered on by POWER_ON pin which starts normal operating mode POWER_ON pin is pulled up with a 200kR resistor to 1 8V in module User ca...

Page 27: ...equence Table 5 Power on timing Parameter Description Time value Unit Min Typ Max Ton The time to pull POWER_ON down to power on 64 180 ms TpD The time to indicate connecting with the network 5 5 s Tp...

Page 28: ...l make module disconnect from the network and allow the software to enter a safe state and then save data before completely powering the module off Method 1 Power off SIM5320AL by pulling the POWER_ON...

Page 29: ...active For details refer to Document 1 3 3 UART Interface SIM5320AL provides a UART universal asynchronous serial transmission port It consists of a flexible 7 wire serial interface The module is as t...

Page 30: ...Up UART_RTS 66 O H UART_CTS 67 I H Pull Up UART_DTR 72 I H Pull Up UART_DCD 70 O H UART_RI 69 O H More pin information refers to chapter 2 2 Table 8 Logic level Parameter Min Max Unit Logic low input...

Page 31: ...operation status Initially it keeps high when a voice call or CSD call comes the pin RI will change to low for about 5900ms then it will return to high level for 100ms It will repeat this procedure un...

Page 32: ...negative output Hand free MIC1P 23 MIC positive input MIC1N 24 MIC negative input SPK_P 22 Loudspeaker positive output SPK_N 21 Loudspeaker negative output Table 10 MIC input characteristics Paramete...

Page 33: ...own in the following figure these components two ferrite beads and two capacitors can reduce electromagnetic interference If used they should be located beside SPK_P and SPK_N pins Considerable curren...

Page 34: ...sted User can adjust them through AT command For more detail please refers to Audio Application Document Table 13 Audio parameter Parameter Influence to Range Gain range Calculation AT command micAmp1...

Page 35: ...sign 3 5 USIM Interface The USIM provides the required subscription verification information to allow the mobile equipment to attach to a UMTS network Both 1 8V and 3 0V SIM Cards are supported 3 5 1...

Page 36: ...Figure 24 USIM interface reference circuit Note USIM_DATA has been pulled up with a 22kR resistor to V_USIM in module A 220nF shut capacitor on V_USIM is used to reduce interference Use AT Commands t...

Page 37: ...e one is 3 0V 10 another is 1 8V 10 C2 USIM_RST SIM Card Reset C3 USIM_CLK SIM Card Clock C5 GND Connect to GND C6 VPP Connect to USIM_VDD C7 USIM_DATA SIM Card data I O 3 6 I2C Interface I2C is used...

Page 38: ...length and bending are in users control to minimize load capacitance Note I2C_SDA and I2C _SCL have been pulled up with two 2 2kR resistors to 2 6V level in module So there is no need to pull them up...

Page 39: ...ption operation if used as input pins A typical circuit about the keypad 5 5 keypad matrix is shown in the following figure Figure 26 Reference circuit If these pins are configured for GPIOs the seque...

Page 40: ...s USB charging and USB OTG is not supported Table 20 Electronic characteristic Pin name Pin No Input voltage scope V Min Typ Max USB_VBUS 11 4 4 5 0 5 25 USB_DP 13 They are compliant with the USB 2 0...

Page 41: ...ts operation voltage is 1 8V with clock rates up to 26 MHz 3 9 1 Pin Description Table 21 Electronic characteristic Pin name 1 8V mode Min Typ Max SPI_CLK 1 65 1 8 1 95 SPI_CS_N 1 65 1 8 1 95 SPI_MOMI...

Page 42: ...PIO41 2 5 2 6 2 7 GPIO43 2 5 2 6 2 7 GPIO44 2 5 2 6 2 7 GPIO42 2 5 2 6 2 7 Pin name Pin No I O Function GPIO1 51 O Output PIN as LED control for network status If it is unused left open GPIO4 54 I Inp...

Page 43: ...hing Network Call Connect 200ms ON 200ms OFF Data Transmit 800ms ON 800ms OFF Registered network Off Power off Sleep Flight mode control GPIO4 controls SIM5320AL module to enter or exit the Flight mod...

Page 44: ...ns SIM5320 PCM interface can be used in two modes the default mode is auxiliary PCM 8 KHz long sync mode at 128 KHz PCM CLK the other mode is primary PCM 8 KHz short sync mode at 2048 KHz PCM CLK In s...

Page 45: ...primary PCM mode after powering on or resetting the module every time if user wants to use Primary PCM SIM5320 PCM Interface can be operated in Master or Slave mode if it is configured to primary PCM...

Page 46: ...e 3 8 3 9 s T suauxsync AUX_PCM_SYNC setup time high before falling edge of PCM_CLK 1 95 s T hauxsync AUX_PCM SYNC hold time after falling edge of PCM_CLK 1 95 s T suauxdin AUX_PCM_DIN setup time befo...

Page 47: ..._SYNC cycle time 125 s T synch PCM_SYNC high time 400 500 ns T syncl PCM_SYNC low time 124 5 s T clk PCM_CLK cycle time 488 ns T clkh PCM_CLK high time 244 ns T clkl PCM_CLK low time 244 ns T susync P...

Page 48: ...dware 3 12 1 Sink Current Source The dedicated pin CURRENT_SINK is intended for driving passive devices such as LCD backlight this implementation is 5V tolerant and suitable for driving white LEDs The...

Page 49: ...in is strongly recommended A reference circuit is recommended in the following figure Figure 37 Reset circuit Note 50ms t 200ms ESD components are suggested to be used on Reset pin 3 12 3 ADC SIM5320A...

Page 50: ...n 2 2V 3 12 4 LDO SIM5320AL has a LDO power output namely VREG_AUX The LDO is available and output voltage is 2 85v by default rated for 250mA User can switch the LDO on or off by the AT command AT CV...

Page 51: ...6QAM QPSK Category4 5 1 8 16QAM QPSK Category5 5 3 6 16QAM QPSK Category6 5 3 6 16QAM QPSK Category7 10 7 2 16QAM QPSK Category8 10 7 2 16QAM QPSK Category9 15 10 0 16QAM QPSK Category10 15 14 0 16QAM...

Page 52: ...The following figure is the recommended circuit Figure 39 Antenna matching circuit In this figure the components R1 C1 C2 and R2 is used for antenna matching the value of components can only be got a...

Page 53: ...ded operating ratings Parameter Min Typ Max Unit Voltage at digital pins 1 8v mode 1 65 1 8 1 95 V Voltage at digital pins 2 6v mode 2 5 2 6 2 7 V Voltage at VBAT 3 3 3 8 4 2 V Voltage at VRTC 1 5 3 0...

Page 54: ...ower supply of the module only the power supply of RTC is remained The serial interface is not accessible Operating voltage connected to VBAT remains applied Minimum functionality mode The AT command...

Page 55: ...he serial port is still accessible but RF function or SIM card will be unavailable When SIM5320AL is in minimum functionality or flight mode it can return to full functionality by the AT command AT CF...

Page 56: ...th common ground and user can add beads where necessary Normally SIM5320AL is mounted on customer host board Although some ESD components have been added in SIM5320AL to prevent ESD user should put so...

Page 57: ...pplication 6 2 Typical Solder Reflow Profile For customer convenience SIMCom provides a typical example for a commonly used soldering profile In final board assembly the typical solder reflow profile...

Page 58: ...fied to Moisture Sensitivity Level MSL 5 in accordance with JEDEC J STD 020 After the prescribed time limit exceeded users should bake modules for 192 hours in drying equipment 5 RH at 40 C 5 C 0 C or...

Page 59: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 59 6 5 Recommended Pad Design Figure 42 Recommended pad Note More designing details refer to Figure 6...

Page 60: ...Smart Machine Smart Decision SIM5320AL_User Manual_V1 01 2014 08 20 60 Appendix A System Design Figure 43 System design...

Page 61: ...4 Keypad GPIO KEYSENSE_N0 15 Keypad GPIO UART1_CTS 33 CTS GPIO UART1_ RTS 34 RTS GPIO UART1_DTR 35 DTR wake up module GPIO UART_DCD 36 DCD GPIO UART_RI 37 RI wake up host GPIO GPIO40 40 Module power u...

Page 62: ...Use of Data Terminal Equipment Data Circuit terminating Equipment DTE DCE interface for Short Message Service SMS and Cell Broadcast Service CBS 6 GSM 11 14 Digital cellular telecommunications system...

Page 63: ...illary equipment 17 IEC EN60950 1 2001 Safety of information technology equipment 2000 18 3GPP TS 51 010 1 Digital cellular telecommunications system Release 5 Mobile Station MS conformance specificat...

Page 64: ...ximum Load Current kbps Kilo bits per second Li Ion Lithium Ion MO Mobile Originated MS Mobile Station GSM engine also referred to as TE MT Mobile Terminated PAP Password Authentication Protocol PBCCH...

Page 65: ...Output Low Level Voltage Value VOLmin Minimum Output Low Level Voltage Value SM SIM phonebook NC Not connect EDGE Enhanced data rates for GSM evolution HSDPA High Speed Downlink Packet Access HSUPA Hi...

Page 66: ...a safety hazard Your cellular terminal or mobile receives and transmits radio frequency energy while switched on RF interference can occur if it is used close to TV sets radios computers or other elec...

Page 67: ...L_User Manual_V1 01 2014 08 20 67 Contact us Shanghai SIMCom Wireless Solutions Ltd Add SIM Technology Building No 633 Jinzhong Road Changning District Shanghai P R China 200335 Tel 86 21 3235 3300 Fa...

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