Users Manual Part 2

SIM7022-EVB User Guide V1.00
www.simcom.com
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3.2.1 USB-to-UART Driver Installation
The following connection can get the USB to UART driver.
https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers
After the driver is successfully installed, the following virtual serial port will appear,COM95/COM93/COM94。
Feature 19: USB to UART ports
Table 14: USB to UART ports
Reference
Number
Interface
type
Port number
Serial port
Function description
J103
ECI
COM93
Enhance UART
Used for AT communication,
data transmission and firmware
upgrade
SCI
COM94
Standard UART
/
J104
/
COM95
USB TO UART
Bridge
Used for software DEBUG
3.3 Firmware Upgrade Process
Before updating the firmware, please contact the SIMCom technical support team and the supplier to obtain
the correct download tool and firmware upgrade file.
The firmware update method of the module is shown below.
1. Insert the Micro USB into the USB connector J103 (AT/DL UART), turn up SW101, SW1 to ON state.