4. System Architecture and Reference
Design
4
4
.
.
1
1
A
A
U
U
9
9
2
2
2
2
8
8
B
B
l
l
o
o
c
c
k
k
D
D
i
i
a
a
g
g
r
r
a
a
m
m
Figure 4.1 AU9228 Block Diagram
USB Protocol
Engine
Downstream
Port
Host 1
USB Protocol
Engine
Downstream
Port
Host 2
USB Protocol
Engine
Downstream
Port
Host 3
USB Protocol
Engine
Downstream
Port
Host 4
Downstream
Port Data
Multiplexor
Downstream
Port Data
Checker
Switch
Detection
port 1: USB Keyboard; port 2: USB Mouse; PS2 port: PS2 Keyboard
AU9228 USB KVM Controller V1.01W
8
Summary of Contents for AU9228
Page 1: ...AU9228 USB KVM Controller Technical Reference Manual ...
Page 2: ...AU9228 USB KVM Controller ...
Page 4: ... Memo ...