Users Manual Part 2

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SIM7022-EVB User Guide V1.00

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Feature 13: switches and buttons

Table 9: switches and buttons

Number

Name

Description

SW101

POWER_KEY

EVB power switch

SW102

RESET

Module reset button

SW103

WAKEUP

Module wake-up button

SW1

DOWNLOAD

Firmware upgrade switch

1. When the serial port baud rate is less than or equal to 9600bps, there is no need to use the WAKEUP

button of EVB to wake up, and the module can be directly awakened by sending AT commands through

UART1. When the baud rate is greater than 9600bps, you need to use the WAKEUP button to pull

down WAKEUP to wake up the module. For details, please refer to the document [1].

2.6 Test Points

There are four sets of test points J101, J105, J106, J107 on SIM7022 EVB. The details of the test points are

※ Note

Summary of content (9 pages)

PAGE 1
SIM7022-EVB User Guide V1.00 Feature 13: switches and buttons Table 9: switches and buttons Number Name Description SW101 POWER_KEY EVB power switch SW102 RESET Module reset button SW103 WAKEUP Module wake-up button SW1 DOWNLOAD Firmware upgrade switch ※ Note 1. When the serial port baud rate is less than or equal to 9600bps, there is no need to use the WAKEUP button of EVB to wake up, and the module can be directly awakened by sending AT commands through UART1.
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SIM7022-EVB User Guide V1.00 as follows. Feature 14: Test point location The pin definition of position J101 is shown in the figure below. www.simcom.
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SIM7022-EVB User Guide V1.00 Feature 15: The pin definition of position J101 on EVB Table 10: Test point description of J101 on EVB Position J101 J101_PIN1 EXT_VBAT EVB LDO power supply output voltage test point J101_PIN2 VBAT Module power input voltage test point The pin definition of position J105 is shown in the figure below. Feature 16: Pin definition of location J105 on EVB www.simcom.
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SIM7022-EVB User Guide V1.
PAGE 5
SIM7022-EVB User Guide V1.00 Table 12: The pin description of J106 on EVB Position J106 Test point Signal name Description J106_PIN1 5V EVB 5V power supply test point J106_PIN2 GND GND The pin definition of J107 is shown in the figure below. Feature 18: The pin definition of J107 on EVB Table 13: The pin description of J107 on EVB Position J107 Test point Signal name Description J107_PIN1 RESET Module reset signal J107_PIN2 GND GND J107_PIN3 WAKEUP Module wake-up signal ※ Note 1.
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SIM7022-EVB User Guide V1.00 3 Operation Method 3.1 Module Boot 3.1.1Module Power-on Operation The module boot method is as follows： 1. Insert the Micro USB into the USB connector J103 (or J104)。 2. Turn the switch SW101 up to the on state, and LED101, LED102, and LED103 will light up. 3. If the module is successfully registered to the network, the flashing frequency of LED101 will slow down, otherwise LED101 will keep flashing fast.
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SIM7022-EVB User Guide V1.00 3.2.1 USB-to-UART Driver Installation The following connection can get the USB to UART driver. https://www.silabs.
PAGE 8
SIM7022-EVB User Guide V1.00 Feature 20: Power switch and download switch status 2. Open the EiGENCOMM_MultiDownload tool and follow the steps. (1) (2) (3) (4) Check the “EraseALL” option. Select bootloader/system/calibration in turn and load the corresponding bin file. Select Enhanced port. Click "DL" and wait for the software to be erased. Feature 21: Download interface 3. Erased the software. www.simcom.
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SIM7022-EVB User Guide V1.00 Feature 22: Erased the software 4. After completing the software erasing, enter the software download interface. Feature 23: the software download interface 5. After entering the software download interface, press the “SW102” button and wait for the software to download. www.simcom.