Datasheet

USB251xB/xBi
DS00001692C-page 10  2010 - 2015 Microchip Technology Inc.
3.2 Pin List (Alphabetical)
TABLE 3-1: USB251XB/XBI PIN LIST (ALPHABETICAL)
Symbol Name
Pin Numbers
USB2512B
USB2512Bi
USB2513B
USB2513Bi
USB2514B
USB2514Bi
BC_EN1 Battery Charging
Strap Option
12
BC_EN2 16
BC_EN3 -18
BC_EN4 -20
CFG_SEL0 Configuration
Programming
Selection
24
CFG_SEL1 25
CLKIN External Clock Input 33
CRFILT Core Regulator Filter
Capacitor
14
Ground Pad
(VSS)
Exposed Pad Tied to
Ground (VSS)
ePad
HS_IND Hi-Speed Upstream
Port Indicator
25
LOCAL_PWR Local Power
Detection
28
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