11
1.3 USB
This interface can support USB 2.0 up to 4 ports, and four power pins which are with
current rating up to 500mA per pin. USB ports can support high-speed (HS),
full-speed (FS), and low-speed (LS) traffic. In addition, it features backward
compatible to USB specification Revision 1.1, and support low speed I/O USB devices,
such as keyboard and mouse.
1.3.1 Signal Descriptions
DIP
Pin
Name
Pin Type
Power Rail
Description
39
USB 5V Output
Power Output 5VSB
USB Power(500mA)
41
USB0 D-
I/O USB2
USB2 Data-
43
USB0 D+
I/O USB2
USB2 Data+
45
GND
GND
GND
GND
47
USB Chassis
GND
GND
GND
GND
40
USB 5V Output
Power Output 5V
USB Power(500mA)
42
USB1 D-
I/O USB2
USB2 Data-
44
USB1 D+
I/O USB2
USB2 Data+
46
GND
GND
GND
GND
48
NC
Table 1.3.1-1 Signal Description for USB in DIP 64-Pin
SMD
Pin
Name
Pin Type
Power Rail
Description
25
USB 5V Output
Power Output 5VSB
USB Power(500mA)
27
USB0 D-
I/O USB2
USB2 Data-
29
USB0 D+
I/O USB2
USB2 Data+
31
GND
GND
GND
GND
33
USB Chassis GND GND
GND
GND
26
USB 5V Output
Power Output 5VSB
USB Power(500mA)