KSZ8895 INFINEON [Infineon Technologies AG], KSZ8895 Datasheet - Page 23

• 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 #
83
86
87
90
91
92
95
98
Pin Name
SMRXD0
SCONF1
SCONF0
LED5-2
LED5-1
LED5-0
LED4-0
LED3-0
PU/PD
Ipd/O
Ipu/O
Ipu/O
Ipu/O
Ipu/O
Ipu/O
Ipd
Ipd
(1)
Description
Switch MII receive bit 0.
Strap option: LED mode PD (default) = mode 0; PU = mode 1. See “Register
11.”
LEDX_2
LEDX_1
LEDX_0
Pin 91,86,87 are dual MII/RMII configuration pins for the Port 5 MAC 5 MII/RMII
and PHY[5] MII/RMII. SW5-MII supports both MAC mode and PHY modes. P5-
MII supports PHY mode only. See pins configuration below.
Dual MII/RMII configuration pin. See pin 86 description.
LED5 indicator 2.
Strap option: Aging setup. See “Aging” section
PU (default) = aging enable;
PD = aging disable.
LED5 indicator 1.
Strap option:
PU (default): enable PHY[5] MII I/F.
PD: tristate all PHY[5] MII output. See “Pin 86 SCONF1.”
LED5 indicator 0.
Strap option for Port 4 only.
PU (default) = Enable auto-negotiation.
PD = Disable auto-negatiation. Strap to register76 bit[7].
LED3 indicator 0.
Strap option:
PU (default) = Select I/O current drive strength (8mA);
PD = Select I/O current drive strength (12mA).
Strap to register132 bit[7:6].
LED indicator 0.
Strap option:
PU (default) = Normal mode.
PD = Energy Detection mode (EDPD mode).
Strap to register 14 bits[4:3].
Pins [91, 86, 87]
(1)
000
001
010
011
100
101
110
111
23
Disable, Otri
PHY Mode MII or
RMII
MAC Mode MII or
RMII
PHY Mode SNI
Disable
PHY Mode MII or
RMII
MAC Mode MII or
RMII
PHY Mode SNI
Port 5 MAC 5 Switch
Fulld/Col
SW5-MII
Mode 0
Lnk/Act
Speed
KSZ8895MQ/RQ/FMQ
Disable, Otri
Disable, Otri
Disable, Otri
Disable, Otri
Disable
P5- MII/RMII
P5- MII/RMII
P5- MII/RMII
MII/RMII P5-MII/RMII
Port 5 PHY [5]
100Lnk/Act
10Lnk/Act
Mode 1
M9999-012011-1.2
Fulld