USB 2.0 Hi-Speed Hub Controller
Datasheet
SDA / SMBDATA / NON_REM[1]
SCL / SMBCLK / CFG_SEL[0]
36
35
34
33
32
31
30
29
28
27
26
LED_A_N[1] / PRTSWP[1]
PRTPWR_POL
SUSP_IND / LOCAL_PWR / NON_REM[0]
SEL48
VDD33
USBDM_UP
USBDP_UP
XTALOUT
XTALIN / CLKIN
PLLFILT
RBIAS
VDD33
37
38
39
40
41
42
43
44
45
46
47
48
10
11
12
1
2
3
4
5
6
7
8
9
Ground Pad
(must be connected to VSS)
25
24
23
22
21
20
19
18
17
16
15
14
13
LED_A_N[2] / PRTSWP[2]
LED_B_N[1] / BOOST[0]
HS_IND / CFG_SEL[1]
CFG_SEL[2]
VBUS_DET
RESET_N
OCS_N[3]
VDD33
NC
NC
LED_B_N[2] / BOOST[1]
LED_A_N[3] / PRTSWP[3]
LED_B_N[3] / GANG_EN
PRTPWR[3]
OCS_N[2]
PRTPWR[2]
VDD33
CRFILT
OCS_N[1]
PRTPWR[1]
TEST
NC
SMSC
USB2513
(Top View QFN-48)
USBDM_DN[1] / PRT_DIS_M[1]
USBDM_DN[2] / PRT_DIS_M[2]
USBDM_DN[3] / PRT_DIS_M[3]
USBDP_DN[1] / PRT_DIS_P[1]
USBDP_DN[2] / PRT_DIS_P[2]
USBDP_DN[3] / PRT_DIS_P[3]
VDD33
VDD33
NC
NC
NC
Indicates pins on the bottom of the device.
Figure 5.4 3-Port 48-Pin QFN
SMSC USB251x
15
NC
Revision 1.0 (3-11-09)
DATASHEET
SMSC [ SMSC CORPORATION ]
