自主科技 自由生活
Figure 6.22
After the USB interface of the equipment is connected to a portable memory, the system enters the USB Host mode
(as shown in figure 6.23)
图
6.23
When use “USB Host” function, USB stick and other USB equipments will be named to
“
UDISK
”
and appear at file list. It’s reading, operation modes are same as memory card.
Note: 1.To avoid any accident caused by insufficient USB power on your PC, make sure
to power on the device before connecting to your PC.
2. Limited by the system power supply, the driving current of the peripheral USB
device should be not greater than 500 mA; beyond that, external power supply
is required.