Hi-Speed USB Transceiver with 1.8V-3.3V ULPI Interface - 13MHz Reference Clock
Application Diagram
1.8V
Supply
3.1-5.5V
Battery /
Supply
1.8-3.3V
IO Supply
4.7uF
0.1u
F
Reference Clock
8.06KΩ
RESETB
12
RESETB
REFCLK
VDD1.8
ULPI Interface
4.7uF
RBIAS
0.1u
F
STP
20
24
23
22
21
VDDIO
0.1u
F
ID
VBUS
VBAT
1
2
3
4
5
6
19
DIR
18
17
NXT
VDDIO
DATA0
DATA1
DATA2
DATA3
Note:
VDDIO can
be connected
to the 1.8V
supply for
1.8V IO
USB
Connector
2.2u
F
VDD3.3
DM
DP
24Pin
QFN
4 x 4 mm
16
15
14
13
10
11
DATA4
(msb) DATA7
CPEN
DATA6
DATA5
5 Volt
Supply
Host/OTG Only
C
VBUS
Host
Device
OTG Device
Min
120uF
1uF
1uF
10uF
6.5uF
Max
CLKOUT
REFCLK and CLKOUT should be
isolated with a ground line on both
sides.
C
VBUS
QFN
Ground Flag
Figure 3 USB3318 QFN Application Diagram
SMSC USB3318
7
12
7
8
9
Revision 1.3 (11-02-07)
PRODUCT PREVIEW
SMSC [ SMSC CORPORATION ]
