KSZ8895 INFINEON [Infineon Technologies AG], KSZ8895 Datasheet - Page 16

• Manufacturer Part Number: KSZ8895
• Description: Integrated 5-Port 10/100 Managed Ethernet Switch with MII/RMII interface
• Manufacturer: INFINEON [Infineon Technologies AG]

Micrel, Inc.
January 2011
Pin Number
62
63
64
65
66
67
68
69
70
Pin Name
PMRXD3
PMRXD2
PMRXD1
PMRXD0
PMRXER
SMTXEN
SMTXD3
PCRS
PCOL
Type
IPD/O
IPD/O
IPD/O
IPD/O
IPD/O
IPD/O
IPD/O
IPD
IPD
(1)
Port
5
5
5
5
5
5
5
Pin Function
MQ/FMQ: PHY[5] MII receive bit 3.
RQ: no connection for RMII
Strap option:
PD (default) = enable flow control.
PU = disable flow control.
MQ/FMQ: PHY[5] MII receive bit 2.
RQ: no connection for RMII.
Strap option:
PD (default) = disable back pressure.
PU = enable back pressure.
PHY[5] MII/RMII receive bit 1.
Strap option:
PD (default) = drop excessive collision packets.
PU = does not drop excessive collision packets.
PHY[5] MII/RMII receive bit 0.
Strap option:
PD (default) = disable aggressive back-off algorithm in half-duplex
mode.
PU = enable for performance enhancement.
MQ/FMQ:PHY[5] MII receive error
RQ: no connection for RMII
Strap option:
PD (default) = packet size 1518/1522 bytes.
PU = 1536 bytes.
MQ/FMQ: PHY[5] MII carrier sense.
RQ: no connection for RMII.
Strap option for port 4 only.
PD (default) = force half-duplex if auto-negotiation is disabled or
fails.
PU = force full-duplex if auto negotiation is disabled or fails. Refer
to Register 76.
MQ/FMQ: PHY[5] MII collision detect.
RQ: no connection.
Strap option for port 4 only.
PD (default) = no force flow control, normal operation.
PU = force flow control. Refer to Register 66.
Port 5 Switch MII/RMII transmit enable.
MQ/FMQ: Port 5 Switch MII transmit bit 3.
RQ: no connection for RMII.
16
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KSZ8895MQ/RQ/FMQ
M9999-012011-1.2