USB 2.0 Hi-Speed Hub Controller
Datasheet
SUSP_IND / LOCAL_PWR / NON_REM[0]
PRTPWR[3] / BC_EN[3]*
OCS_N[2]
28
29
30
31
32
33
34
35
36
18
17
16
15
14
13
12
11
10
VDD33
USBDM_UP
USBDP_UP
XTALOUT
XTALIN / CLKIN
PLLFILT
PRTPWR[2] / BC_EN[2]*
VDD33
SMSC
USB2514/14i
USB2514B/14Bi
(Top View QFN-36)
CRFILT
OCS_N[1]
PRTPWR[1] / BC_EN[1]*
TEST
Ground Pad
(must be connected to VSS)
RBIAS
VDD33
VDD33
Indicates pins on the bottom of the device.
Figure 5.3 4-Port 36-pin QFN
Note: *Battery charging enable (BC_EN) is only available in the USB251xB/Bi.
Revision 1.0 (3-11-09)
14
SMSC USB251x
DATASHEET