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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
VDDA33
1
USBDN1_DM/PRT_DIS_M1
2
USBDN1_DP/PRT_DIS_P1
3
USBDN2_DM/PRT_DIS_M2
4
USBDN2_DP/PRT_DIS_P2
5
USBDN3_DM/PRT_DIS_M3
6
USBDN3_DP/PRT_DIS_P3
7
USBDN4_DM/PRT_DIS_M4
8
USBDN4_DP/PRT_DIS_P4
9
LED_B4_N
10
REG_EN
11
VDDA33
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/BOOST0
34
VBUS_DET
33
RESET_N
32
HS_IND/CFG_SEL1
31
SCL/SMBCLK/CFG_SEL0
30
VDD33
29
SDA/SMBDATA/NON_REM1
28
OCS4_N
36
CFG_SEL2
27
PRTPWR4
26
OCS3_N
25
LED_A2_N/PRT_SWP2