USB 2.0 Hi-Speed Hub Controller
Datasheet
LED_A_N[2] / PRTSWP[2]
LED_B_N[1] / BOOST[0]
LED_A_N[1] / PRTSWP[1]
VDD33
LED_B_N[4]
LED_A_N[5] / PRTSWP[5]
PRTPWR[5]
PRTPWR[1]
OCS_N[1]
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
USBDM_DN[6] / PRT_DIS_M[6]
USBDP_DN[6] / PRT_DIS_P[6]
USBDM_DN[7] / PRT_DIS_M[7]
USBDP_DN[7] / PRT_DIS_P[7]
VDD33
OCS_N[2]
PRTPWR[2]
CRFILT
SMSC
USB2517/17i
(Top View QFN-64)
VDD33
USBDM_UP
PRTPWR[3]
OCS_N[3]
USBDP_UP
XTALOUT
OCS_N[4]
XTALIN / CLKIN
PRTPWR[4]
TEST
PLLFILT
Ground Pad
(must be connected to VSS)
RBIAS
LED_B_N[5]
LED_A_N[6] / PRTSWP[6]
VDD33
Indicates pins on the bottom of the device.
Figure 5.6 7-Port 64-Pin QFN
SMSC USB251x
17
Revision 1.0 (3-11-09)
DATASHEET