KSZ8863RLL Electronic IC Chips Integrated Circuit Board Chips
electronic integrated circuit
,digital integrated circuits
KSZ8863RLL Electronic IC Chips Integrated Circuit Board Chips
Description
The KSZ8863MLL, KSZ8863RLL, and KSZ8863FLL are
highly integrated 3-port switch on a chip ICs in industry’s
smallest footprint, enabling a new generation of low port
count, cost-sensitive and power efficient 10/100Mbps
switch systems. Low power consumption, advanced power
management and sophisticated QoS features (e.g., IPv6
priority classification support) make these devices ideal for
IPTV, IP-STB, VoIP, media converter, automotive and
industrial applications.
The KSZ8863 family is designed to support the GREEN
requirement in today’s switch systems. Advanced power
management schemes include hardware power down,
software power down, and the energy detect mode that
shuts downs the transceiver when a port is idle.
KSZ8863MLL, KSZ8863RLL, and KSZ8863FLL also offer
the by-pass mode, which enables system-level power
savings. In this mode, the processor connected to the
switch through the MII interface can be shut down without
impacting the normal switch operation.
The configurations provided by the KSZ8863 family enable
the flexibility to meet requirements of different applications:
• KSZ8863MLL: Two 10/100BASE-T/TX transceivers
and one MII interface.
• KSZ8863RLL: Two 10/100BASE-T/TX transceivers
and one RMII interface.
• KSZ8863FLL: One 100BASE-FX transceiver, one
10/100Base-T/TX transceiver, and one MII interface.
The devices are available in RoHS-compliant 48-pin LQFP
package.
The datasheets and supporting documents can be found
at Micrel’s web site at: www.micrel.com.
Block Diagram
| Features | Benefits |
| Single 2.5V or 3.3V supply with internal 1.8V LDO, and optional 3.3V, 2.5V or 1.8V VDDIO | Enables low power design. |
| Port 1 & Port 2 by-pass mode | Ethernet traffic between Port 1 and Port 2 are sustained while the MII interface (Port 3) is shut down. This allows the device connected to the MII interface to enter a power saving mode. |
| 4-queue (per port) traffic prioritization, based on port, 802.1p, 802.1Q VLAN tags, or Differential Services (both Ipv4 and Ipv6 priority classification) | Enables the implementation of advanced QoS policies. |
| Source address filtering | Enables the implementation of Ethernet ring network for industrial control and automotive applications. |
| Tail tag mode at Port 3 | Reduces the overhead of the CPU connected to Port 3, by using a tail tag before frame checksum to indicate which port receives the ingress packet. |
| Internal generated RMII 50MHz clock (KSZ8863RLL) | Eliminates expensive external 50MHz oscillator for the RMII mode. |
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