© 2017 Exar Corporation
XR22414-EVB
Evaluation Board User’s Manual
www.exar.com\XR22414
Rev 1A
1 / 8
Introduction
The XR22414 evaluation board is for the Exar USB 2.0 4-Port hub in both the 48 pin LQFP and 48 pin QFN packages. This
manual is intended to guide users to use various functions and configurations of the hub device. Either the 48 pin LQFP
package or 48 pin QFN package EVB can be ordered as shown in Table 1.
Board Layout and Outline
Evaluation Board outline
Figure 1 shows the topography of the evaluation board. Either U1 or U2 will be installed depending upon the version of the
evaluation board.
Figure 1: XR22414 PCB Outline
Table 1: Ordering Information
Device Ordering Part Number
Evaluation Board Ordering Part Number
Device Package
Device Location
XR22414CV48-F
XR22414CV48EVB
LQFP 48
U1
XR22414CL48-F
XR22414CL48EVB
QFN 48
U2
U
S
B
QFN
48
PWR
DS Port
1
DS Port
2
DS Port
3
DS Port
4
U2
P
T
C
JUMP
C
M
LED
CAP
JUMP
LE
D
J8
J8: 1-2 Self Power
2-3 Bus Power
LQFP
48
1
24
48
12
U1
LED
P
T
C
JUMP
C
M
LED
CAP
LED
P
T
C
JUMP
C
M
LED
CAP
LED
P
T
C
JUMP
C
M
LED
CAP
LED
