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SIM7022-EVB User Guide V1.00

www.simcom.com

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Feature 6: Module power supply reference design

The test points of VBAT and GND of the module are shown in the figure below. If the module needs to be
powered separately, the resistance of R112 should be removed first, and then the VBAT and GND test
points should be externally supplied with power.

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Содержание SIM7022-EVB

Страница 1: ...EVB User Guide NB Module SIMCom Wireless Solutions Limited SIMCom Headquarters Building Building 3 No 289 Linhong Road Changning District Shanghai P R China Tel 86 21 31575100 support simcom com www simcom com ...

Страница 2: ...TO CHANGE COPYRIGHT THIS DOCUMENT CONTAINS PROPRIETARY TECHNICAL INFORMATION WHICH IS THE PROPERTY OF SIMCOM WIRELESS SOLUTIONS LIMITED COPYING TO OTHERS AND USING THIS DOCUMENT ARE FORBIDDEN WITHOUT EXPRESS AUTHORITY BY SIMCOM OFFENDERS ARE LIABLE TO THE PAYMENT OF INDEMNIFICATIONS ALL RIGHTS RESERVED BY SIMCOM IN THE PROPRIETARY TECHNICAL INFORMATION INCLUDING BUT NOT LIMITED TO REGISTRATION GRA...

Страница 3: ...SIM7022 EVB User Guide V1 00 www simcom com 3 33 Version History Date Version Description of change Author 2021 07 21 1 00 Released Yanping Yang ...

Страница 4: ... 2 2 U SIM card Interface 15 2 3 UART Interface 17 2 4 Status Indicator Light 18 2 5 Switches and Buttons 19 2 6 Test Points 20 3 Operation Method 25 3 1 Module Boot 25 3 1 1 Module Power on Operation 25 3 2 Driver Installation 25 3 2 1 USB to UART Driver Installation 26 3 3 Firmware Upgrade Process 26 3 4 AT Command Communication 29 3 4 1 UART Serial Communication 30 4 Appendix 31 4 1 Reference D...

Страница 5: ... 8 Status indicator light description 19 Table 9 switches and buttons 20 Table 10 Test point description of J101 on EVB 22 Table 11 Pin description of location J105 on EVB 23 Table 12 The pin description of J106 on EVB 24 Table 13 The pin description of J107 on EVB 24 Table 14 USB to UART ports 26 Table 15 UART frame format 30 Table 16 UART baud rate support 30 Table 17 UART common baud rate opera...

Страница 6: ... design 18 Feature 11 micro USB interface pin definition J103 18 Feature 12 LED status indicator light LED101 LED102 LED103 19 Feature 13 switches and buttons 20 Feature 14 Test point location 21 Feature 15 The pin definition of position J101 on EVB 22 Feature 16 Pin definition of location J105 on EVB 22 Feature 17 The pin definition of J106 on EVB 23 Feature 18 The pin definition of J107 on EVB 2...

Страница 7: ...tures Overview The main features of SIM7022 EVB are shown in the table below Table 1 Main features Features Description Power supply USB_VBUS 5V power supply U SIM card interface U SIM card Dual voltage 1 8V 3 0V UART interface Two USB to UART interfaces Respectively for the main serial port and system log port Signal indication Three function indicator LED lights Switches Two switches for power s...

Страница 8: ...SIM7022 EVB User Guide V1 00 www simcom com 8 33 1 2 SIM7022 EVB Top and Bottom View Feature 1 SIM7022 EVB top view ...

Страница 9: ...A SIM7022 Module B Main serial port used for AT commands and firmware upgrade C DBG serial port used for software LOG capture D Power supply switch E Firmware upgrade switch F WAKEUP button G RESET button H Main antenna connector J SIM card interface L1 Network status light L2 Power Indicator light L3 Power on indicator light T1 T2 T3 T4 T5 Test point ...

Страница 10: ...on Please insert the SIM card before turning on the module otherwise the SIM card will not be recognized successfully 1 3 SIM7022 Evaluation Kit Evaluation kit includes EVB board and other accessories The SIM7022 kit list is as follows please ensure that all kits are complete 1 SIM7022 EVB board 2 MICRO USB data cable 3 GSM WCDMA LTE antenna Feature 3 SIM7022 Evaluation kit Note ...

Страница 11: ...rd 1 GSM WCDMA LTE antenna GSM WCDMA LTE antenna 1 MICRO USB data cable MICRO USB data cable 1 To ensure that the module can be used normally it is recommended to use the correct kit model The part numbers of SIM7022 EVB kit are shown in the table below Table 4 EVB Kit EVB Kit Part No 8EC000 SIM7022 EVBKIT S2 109DE ...

Страница 12: ...ED102 LED102 Power status indicator light LED103 LED103 Power on status indicator light Switches SW101 SW101 Power supply switch SW1 SW1 Firmware upgrade switch Buttons SW102 SW102 RESET button SW103 SW103 WAKEUP button Test points J101 J105 J106 J107 J101 J105 Power test point J106 J107 Module signal test point More detailed introductions about the above functions are shown in the next section 2 ...

Страница 13: ... EVB User Guide V1 00 www simcom com 13 33 Feature 4 EVBPower supply block diagram Feature 5 EVB power interface 2 1 2Separate Power Supply The module power supply reference design is shown in the figure below ...

Страница 14: ...r supply reference design The test points of VBAT and GND of the module are shown in the figure below If the module needs to be powered separately the resistance of R112 should be removed first and then the VBAT and GND test points should be externally supplied with power ...

Страница 15: ...y can work and the performance of a single index may not meet the 3GPP standard 2 2 U SIM card Interface SIM7022 does not support hot swappable function Please make sure to insert the U SIM card correctly before powering on otherwise the card cannot be recognized The reference circuit of the U SIM card interface is shown in the figure below Feature8 U SIM card interface reference design The pin de...

Страница 16: ...SIM7022 EVB User Guide V1 00 www simcom com 16 33 Featue 9 U SIM card interface pin definition J102 ...

Страница 17: ... 4 DET I U SIM detect signal 5 GND GND 6 VPP Float 7 I O I O U SIM duplex data line 2 3 UART Interface SIM7022 EVB provides two UART interfaces J103 J104 by USB to UART J103 is used as the main serial port for AT commands data transmission and firmware upgrade and J104 is used as DEBUG debugging serial port for software DEBUG debugging The reference circuit of USB to UART interface is shown in the...

Страница 18: ...interface pin definition J103 Pin number Pin name I O Description 1 VBUS O USB power supply 2 USB_DM I O USB differential data negative USB to UART 3 USB_DP I O USB differential data positive USB to UART 4 Float 5 GND Ground 2 4 Status Indicator Light There are three status indicator lights LED101 LED102 and LED103 for function indication on SIM7022 EVB The status indicators LED101 LED102 and LED1...

Страница 19: ... Status indicator light description LEDs number LEDs colour Description LED101 Blue Module network status indicator light LED102 Red VBAT power supply indicator light LED103 Blue Module power on status indicator light 2 5 Switches and Buttons There are two switches SW101 SW1 and two buttons SW102 SW103 on SIM7022 EVB ...

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