Datasheet

USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251xB/xBi 17 Revision 2.2 (02-17-12)
DATASHEET
NC No Connect 6 -
NC 7-
NC 18 -
NC 19 -
NC 8-
NC 9-
NC 20 -
NC 21 -
NON_REM0 Non-Removable
Port Strap Option
28
NON_REM1 22
OCS_N1 Over-Current Sense 13
OCS_N2 17
OCS_N3 -19
OCS_N4 -21
PLLFILT PLL Regulator Filter
Capacitor
34
PRT_DIS_M1 Downstream Port
Disable Strap
Option
-1
PRT_DIS_M2 3
PRT_DIS_M3 -6
PRT_DIS_M4 -8
PRT_DIS_P1 Port Disable - 2
PRT_DIS_P2 4
PRT_DIS_P3 -7
PRT_DIS_P4 -9
PRTPWR1 USB Port Power
Enable
12
PRTPWR2 16
PRTPWR3 -18
PRTPWR4 -20
RBIAS USB Transceiver
Bias
35
RESET_N Reset Input 26
SCL Serial Clock 24
SDA Serial Data Signal 22
Table 3.2 USB251xB/xBi Pin List (Alphabetical) (continued)
SYMBOL NAME
PIN NUMBERS
36 QFN
USB2512B USB2512Bi USB2513B USB2513Bi USB2514B USB2514Bi