USB 2.0 Hi-Speed Hub Controller
Datasheet
SUSP_IND / LOCAL_PWR / NON_REM[0]
SDA / SMBDATA / NON_REM[1]
SCL / SMBCLK / CFG_SEL[0]
LED_A_N[3] / PRTSWP[3]
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
LED_A_N[2] / PRTSWP[2]
LED_B_N[1] / BOOST[0]
LED_A_N[1] / PRTSWP[1]
VDD33
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
USBDM_UP
USBDP_UP
XTALOUT
XTALIN / CLKIN
PLLFILT
RBIAS
VDD33
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Ground Pad
(must be connected to VSS)
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
LED_A_N[4] / PRTSWP[4]
LED_B_N[3] / GANG_EN
LED_B_N[2] / BOOST[1]
HS_IND / CFG_SEL[1]
PRTPWR[6]
PRTPWR[7]
VBUS_DET
RESET_N
OCS_N[6]
OCS_N[7]
OCS_N[5]
VDD33
LED_B_N[4]
LED_A_N[5] / PRTSWP[5]
PRTPWR[5]
PRTPWR[1]
OCS_N[1]
OCS_N[2]
PRTPWR[2]
CRFILT
VDD33
PRTPWR[3]
OCS_N[3]
OCS_N[4]
PRTPWR[4]
TEST
LED_B_N[5]
LED_A_N[6] / PRTSWP[6]
SMSC
USB2517/17i
(Top View QFN-64)
VDD33
USBDP_DN[1] / PRT_DIS_P[1]
USBDP_DN[2] / PRT_DIS_P[2]
USBDP_DN[3] / PRT_DIS_P[3]
USBDP_DN[4] / PRT_DIS_P[4]
VDD33
USBDP_DN[5] / PRT_DIS_P[5]
CFG_SEL[2]
LED_A_N[7] / PRTSWP[7]
LED_B_N[7]
USBDM_DN[1] / PRT_DIS_M[1]
USBDM_DN[2] / PRT_DIS_M[2]
USBDM_DN[3] / PRT_DIS_M[3]
USBDM_DN[4] / PRT_DIS_M[4]
Indicates pins on the bottom of the device.
Figure 5.6 7-Port 64-Pin QFN
SMSC USB251x
17
USBDM_DN[5] / PRT_DIS_M[5]
LED_B_N[6]
Revision 1.0 (3-11-09)
DATASHEET
SMSC [ SMSC CORPORATION ]
