User's Manual

L710 EVB User Manual
Copyright© Shanghai Mobiletek Communication Ltd
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for more time, then reset the module.
Figure 4-1： Power on/off reset key
4.2 FORCED USB download key
The L710 enables modules to enter forced download mode by pressing the FORCED USB BOOT
button, at which point the FORCED USB BOOT will be pulled up to 1.8v. Before the system is
powered on, press the FORCED USB BOOT key and the PWRKEY key at the same time to
enable the L710 module to enter the forced download mode.
Figure 4-2： forced usb download key
4.3 WATCHDOG key
Press the WDOG key and the PWRKEY key at the same time will disable the watchdog function.
Normally on, the watchdog function is enabled, the system will feed the dog regularly. The
watchdog button is mainly used for software debug.