Micrel, Inc.
KS8995MA/FQ
System Level Applications
10/100
MAC 1
Switch Controller
On-Chip Frame Buffers
10/100
PHY 1
10/100
PHY 2
10/100
PHY 3
10/100
PHY 4
10/100
PHY 5
1-port
WAN I/F
4-port
LAN
10/100
MAC 2
10/100
MAC 3
10/100
MAC 4
10/100
MAC 5
SPI/GPIO
SPI
Ethernet
MAC
CPU
Ethernet
MAC
MII-SW
MII-P5
External WAN port PHY not required.
Figure 1. Broadband Gateway
10/100
MAC 1
Switch Controller
On-Chip Frame Buffers
10/100
PHY 1
10/100
PHY 2
10/100
PHY 3
10/100
PHY 4
10/100
PHY 5
4-port
LAN
10/100
MAC 2
10/100
MAC 3
10/100
MAC 4
10/100
MAC 5
WAN PHY & AFE
(xDSL, CM...)
CPU
SPI/GPIO
SPI
MII-SW
MII-P5
Ethernet
MAC
Figure 2. Integrated Broadband Router
Semptember 2008
8
M9999-091508