SIM7022-EVB User Guide V1.00
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Contents
1 Introduction....................................................................................................................................................7
1.1 Features Overview........................................................................................................................................... 7
1.2 SIM7022 EVB Top and Bottom View............................................................................................................ 8
1.3 SIM7022 Evaluation Kit.................................................................................................................................10
2 Interface Introduction.................................................................................................................................12
2.1 Power Supply..................................................................................................................................................12
2.1.1 Power Supply................................................................................................................................ 12
2.1.2 Separate Power Supply...............................................................................................................13
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 Documents...................................................................................................................................31
4.2 Terminology and Explanation.......................................................................................................................32
4.3 Safety Warning............................................................................................................................................... 33
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