MeiG_SLM320_Hardware Design Manual
MeiG Smart Technology Co., Ltd
37/89
3.13 USB_BOOT Port
SLM320 supports USB_BOOT. The client can shorten USB_BOOT and VDD_EXT before starting the
module, and then the module will enter the forced download mode. In this mode, the module can be
upgraded via USB interface.
Table 18 USB_BOOT pin definition
Pin Name
I/0
Pin
Description
USB_BOOT
I
115
Short connect USB_BOOT and VDD_EXT
(V_IO18)
before starting the module, and then the module will
enter the forced download mode
VDD_EXT
PO
7