KSZ8895MLU Datasheet PDF - Micrel Semiconductor
| Part Number | KSZ8895MLU | |
| Description | Integrated 5-Port 10/100 Managed Switch | |
| Manufacturers | Micrel Semiconductor | |
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KSZ8895MLU
Integrated 5-Port 10/100 Managed Switch
General Description
The KSZ8895MLU is a highly-integrated Layer 2-managed
5-port switch with an optimized design and plentiful
features. It is designed for cost-sensitive 10/100Mbps 5-
port switch systems with on-chip termination, lowest power
consumption and internal core power controller. These
features will save more system cost. It has 1.4Gbps high-
performance memory bandwidth, shared memory based
switch fabric with full non-blocking configuration. It also
provides an extensive feature set such as power
management, programmble rate limit and priority ratio,
tag/port-based VLAN, packets filtering, quality of service
(QoS) four-queues prioritization, management interface,
and MIB counters. Port 5 is a MAC 5 MII interface with
PHY mode. The SW5-MII interface can be connected to a
processor with a MAC MII interface.
The KSZ8895MLU provides multiple CPU control/data
interfaces to effectively address both current and emerging
fast Ethernet applications.
The KSZ8895MLU consists of 10/100 PHYs with patented
and enhanced mixed-signal technology, media access
control (MAC) units, a high-speed non-blocking switch
fabric, a dedicated address lookup engine, and an on-chip
frame buffer memory. The KSZ8895MLU contains five
MACs and four intergrated PHYs. All PHYs support
10/100Base-T/TX.
All registers of MACs and PHYs units can be managed by
the SPI interface or the SMI interface. MIIM registers of the
PHYs can be accessed through the MDC/MDIO interface.
EEPROM can set all control registers for the unmanaged
mode.
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Functional Diagram
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
May 2011
M9999-051111-1.0
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Micrel, Inc.
KSZ8895MLU
IGMP Support ................................................................................................................................................................... 34
Port Mirroring Support ...................................................................................................................................................... 35
VLAN Support ................................................................................................................................................................... 35
Rate Limiting Support ....................................................................................................................................................... 36
Ingress Rate Limit ............................................................................................................................................................. 36
Egress Rate Limit.............................................................................................................................................................. 36
Transmit Queue Ratio Programming ................................................................................................................................ 37
Filtering for Self-Address, Unknown Unicast/Multicast Address and Unknown VID Packet/IP Multicast ........................ 37
Configuration Interface ..................................................................................................................................................... 37
Register Description ........................................................................................................................................................... 43
Global Registers.................................................................................................................................................................. 45
Port Registers...................................................................................................................................................................... 55
Advanced Control Registers.............................................................................................................................................. 65
Data Rate Selection Table in 100BT .................................................................................................................................. 82
Data Rate Selection Table in 10BT .................................................................................................................................... 82
Static MAC Address Table ................................................................................................................................................. 84
VLAN Table .......................................................................................................................................................................... 86
Dynamic MAC Address Table ............................................................................................................................................ 89
Management Information Base (MIB) Counters............................................................................................................... 91
MIIM Registers ..................................................................................................................................................................... 95
Absolute Maximum Ratings(1) ............................................................................................................................................ 99
Operating Ratings(2) ............................................................................................................................................................ 99
Electrical Characteristics(4, 5).............................................................................................................................................. 99
Timing Diagrams ............................................................................................................................................................... 101
EEPROM Timing............................................................................................................................................................. 101
SNI Timing ...................................................................................................................................................................... 102
MII Timing ....................................................................................................................................................................... 103
SPI Timing ...................................................................................................................................................................... 104
Auto-Negotiation Timing ................................................................................................................................................. 106
Reset Timing................................................................................................................................................................... 107
Reset Circuit Diagram..................................................................................................................................................... 108
Isolation Transformer Selection ...................................................................................................................................... 109
Reference Crystal Selection............................................................................................................................................. 109
Package Information......................................................................................................................................................... 110
May 2011
5 M9999-051111-1.0
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for KSZ8895MLU electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ KSZ8895MLU.PDF Datasheet ] | |
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