Datasheet

USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251xB/xBi 13 Revision 2.2 (02-17-12)
DATASHEET
Figure 3.3 4-Port 36-Pin QFN
Ground Pad
(must be connected to VSS)
SMSC
USB2514B/14Bi
(Top View QFN-36)
26
VDD33
25
RESET_N
24
HS_IND/CFG_SEL1
23
SCL/SMBCLK/CFG_SEL0
22
SDA/SMBDATA/NON_REM1
21
OCS_N4
20
PRTPWR4/BC_EN4
19
VBUS_DET
27
OCS_N3
18
17
16
15
14
13
12
11
10
VDDA33
TEST
PRTPWR1/BC_EN1
OCS_N1
CRFILT
VDD33
PRTPWR2/BC_EN2
OCS_N2
PRTPWR3/BC_EN3
28
29
31
32
33
36
35
34
30
VDD33
RBIAS
PLLFILT
XTALIN/CLKIN
XTALOUT
USBDP_UP
USBDM_UP
VDDA33
SUSP_IND/LOCAL_PWR/NON_REM0
1 2 3 4 5 6 7 8 9
USBDM_DN1/PRT_DIS_M1
USBDP_DN1/PRT_DIS_P1
USBDM_DN2/PRT_DIS_M2
USBDP_DN2/PRT_DIS_P2
VDDA33
USBDM_DN3/PRT_DOS_M3
USBDP_DN3/PRT_DIS_P3
USBDM_DN4/PRT_DIS_M4
USBDP_DN4/PRT_DIS_P4
Indicates pins on the bottom of the device.