User Manual

MeiG_SLM550_Hardware Design Manual
MeiG Smart Technology Co., Ltd 40/89
follows; or the CBL_PWR_N pin (186) is pulled low. CBL_PWR_N can be powered on by 10K pull-down
resistor to GND. It does not need to release this signal after booting.
Figure 12 Using an external signal to drive the module to boot
Figure 13 Booting with the button circuit
The following figure is the boot timing description:
Figure 14 Using PWRKEY boot timing diagram