Datasheet

USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251x 13 Revision 1.1 (04-26-10)
DATASHEET
Figure 5.2 3-Port 36-pin QFN
Note: *Battery charging enable (BC_EN) is only available in the USB251xB/Bi.
Ground Pad
(must be connected to VSS)
SMSC
USB2513/13i
USB2513B/13Bi
(Top View QFN-36)
26
VDD33
25
RESET_N
24
HS_IND / CFG_SEL[1]
23
SCL / SMBCLK / CFG_SEL[0]
22
SDA / SMBDATA / NON_REM[1]
21
NC
20
NC
19
VBUS_DET
27
OCS_N[3]
18
PRTPWR[3] / BC_EN[3]*
17
OCS_N[2]
16
PRTPWR[2] / BC_EN[2]*
15
OCS_N[1]
14
VDD33
13
CRFILT
12
PRTPWR[1] / BC_EN[1]*
11
TEST
10
VDD33
SUSP_IND / LOCAL_PWR / NON_REM[0]
28
VDD33
29
USBDP_UP
31
XTALOUT
32
XTALIN / CLKIN
33
RBIAS
36
VDD33
35
PLLFILT
34
USBDM_UP
30
VDD33
1
USBDM_DN[1] / PRT_DIS_M[1]
2
USBDP_DN[1] / PRT_DIS_P[1]
3
USBDM_DN[2] / PRT_DIS_M[2]
4
USBDP_DN[2] / PRT_DIS_P[2]
5
USBDM_DN[3] / PRT_DIS_M[3]
6
USBDP_DN[3] / PRT_DIS_P[3]
7
NC
8
NC
9
Indicates pins on the bottom of the device.