USB 2.0 HSIC Hi-Speed 4-Port Hub Controller
Datasheet
Chapter 3 Pin Descriptions
VDDA33
37
SPI_DI
24
23
VDD12
38
39
40
41
42
43
44
45
46
47
48
NC
FLEX_HSIC_UP_STROBE
NC
22
21
20
19
18
17
16
15
14
13
FLEX_USBUP_DM/PRT_DIS_M0
FLEX_USBUP_DP/PRT_DIS_P0
FLEX_HSIC_UP_DATA
XTAL2
PRTPWR3/PRTCTL3
OCS2_N
SMSC
USB4604
(Top View)
PRTPWR2/PRTCTL2
VDD33
XTAL1/REFCLK
VDDCR12
NC
OCS1_N
RBIAS
PRTPWR1/PRTCTL1
SUSPEND
Ground Pad
(must be connected to VSS)
VDDCOREREG
VDDA33
SOF
Indicates pins on the bottom of the device.
Figure 3.1 48-SQFN Pin Assignments
Revision 1.0 (06-17-13)
10
SMSC USB4604
DATASHEET