Figure 1.2 usb2514 48-pin qfn, Datasheet, Indicates pins on the bottom of the device – SMSC USB2514 User Manual
Page 7
USB 2.0 High-Speed 4-Port Hub Controller
Datasheet
SMSC USB2514
7
Revision 1.98 (11-19-07)
DATASHEET
Figure 1.2 USB2514 48-Pin QFN
Thermal Slug
(must be connected to VSS)
SMSC
USB2514
(Top View QFN-48)
Indicates pins on the bottom of the device.
PRTPWR_POL
38
SUSP_IND/LOCAL_PWR/NON_REM0
39
LED_A1_N/PRT_SWP1
37
SEL48
40
VDDA33
41
USBUP_DP
43
XTAL2
44
XTAL1/CLKIN
45
RBIAS
48
VDD33PLL
47
VDD18PLL
46
USBUP_DM
42
VD
D
A
33
1
US
B
DN1
_D
M/
P
R
T_
DI
S
_
M1
2
U
S
B
D
N1_
D
P/
PRT
_
D
IS
_
P
1
3
US
B
DN2
_D
M/
P
R
T_
DI
S
_
M2
4
U
S
B
D
N2_
D
P/
PRT
_
D
IS
_
P
2
5
US
B
DN3
_D
M/
P
R
T_
DI
S
_
M3
6
U
S
B
D
N3_
D
P/
PRT
_
D
IS
_
P
3
7
US
B
DN4
_D
M/
P
R
T_
DI
S
_
M4
8
U
S
B
D
N4_
D
P/
PRT
_
D
IS
_
P
4
9
L
E
D
_
B4_N
10
RE
G
_
E
N
11
VD
D
A
33
12
21
PRTPWR3
20
OCS2_N
19
PRTPWR2
18
VDD33CR
17
PRTPWR1
16
VDD18
15
OCS1_N
14
TEST
13
LED_A4_N/PRT_SWP4
23
LED_A3_N/PRT_SWP3
22
LED_B3_N/GANG_EN
24
LED_B2_N/BOOST1
35
LED_
B1_N/
B
O
O
ST
0
34
VBU
S_D
E
T
33
RE
SE
T
_
N
32
HS
_I
ND
/C
FG_S
E
L
1
31
SCL/
SMB
C
LK/C
FG_SEL
0
30
V
DD3
3
29
SD
A
/S
M
BD
ATA/
NON
_
R
E
M1
28
OC
S4
_
N
36
CF
G
_
S
E
L
2
27
PR
TPWR4
26
OC
S3
_
N
25
LED_
A2_N/
P
R
T
_SWP2