L710HG EVB User Manual
Copyright© Shanghai Mobiletek Communication Ltd 10
4 Key Description
L710HG development board with a total of 5 top pressure switch and 14 dial switch. 5 top pressure for
short press trigger control, 14 dial switch (single pole double throw) for the long time state toggle switch.
The corresponding function on the L710HG development board has a corresponding printing information,
the function of the specific instructions are as follows:
4.1 Power on/off and RESET key
When power supply for the EVB, the
power indicator will light up.
The lower left corner of the
PWRKEY button on the board, long press 500 MS, can open the module, and press the PWRKEY button
for more time, then reset the module.
Figure 4-1
：
Power on/off reset key
4.2 FORCED USB download key
The L710HG 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 L710HG module to enter the forced download mode.
Figure 4-2
：
forced usb download key
