USB 2.0 Hi-Speed Hub Controller
Datasheet
Table 5.1 Pin List in Alphabetical Order
PIN NUMBERS
36 QFN
48QFN
64 QFN
SYMBOL
BC_EN[1]
NAME
Battery
Charging Strap
Option
-
-
12
16
-
-
12
16
18
-
-
-
12
16
18
20
-
-
-
-
BC_EN[2]
BC_EN[3]
BC_EN[4]
BOOST[0]
BOOST[1]
-
-
PHY Boost
Strapping
Option
-
-
36
24
50
48
CFG_SEL[0]
CFG_SEL[1]
CFG_SEL[2]
CLKIN
Configuration
Programming
Selection
24
25
-
31
32
33
45
41
42
13
61
External Clock
Input
33
CRFILT
Core Regulator
Filter Capacitor
14
-
17
22
25
34
GANG_EN
Ganged Port
Power Strap
Option
Ground Pad
HS_IND
Exposed Pad
Tied to Ground
(VSS)
ePad
Hi-Speed
Upstream Port
Indicator
25
32
42
LED_A_N[1]
LED_A_N[2]
LED_A_N[3]
LED_A_N[4]
LED_A_N[5]
LED_A_N[6]
LED_A_N[7]
LED_B_N[1]
LED_B_N[2]
LED_B_N[3]
LED_B_N[4]
LED_B_N[5]
LED_B_N[6]
LED_B_N[7]
LOCAL_PWR
Port LED
Indicator
-
-
-
37
25
23
51
49
47
33
31
17
15
50
48
34
32
18
16
14
45
-
13
-
-
-
Enhanced
Indicator
Port LED
-
-
-
36
24
22
-
12
-
-
-
Local Power
Detection
28
39
Revision 1.0 (3-11-09)
18
SMSC USB251x
DATASHEET
SMSC [ SMSC CORPORATION ]
