14
USB Type-C Demo Kit V2 Board
USB High Speed Function
High speed switch function done by the device (U19) which receives inputs from the standard-USB 3.0 type A con-
nector J6 and the Billboard device (U13) data using USB2.0 protocol and switches either of one to the Type-C con-
nector (CN2). The switching behavior of U13 is controlled by the iCE device using the HS_SAI and HS_EN signals.
Figure 7 shows the High Speed Switch.
Figure 7. High Speed Switch
Table 11 provides the detailed definition of the MUX selection.
Table 11. MUX Selection
ENA/B
SAI
OUTA0
0
X
Hi-Z
1
1
INA
1
0
INB
USB CONN
BB DEVICE
HS Switch
Type-
C
CONN
ICE5LP4K/ICE40LP8K
J6
U19
CN2
U13