KSZ8895 INFINEON [Infineon Technologies AG], KSZ8895 Datasheet - Page 19

• 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
100
101
102
103
104
87
88
89
90
91
92
93
94
95
96
97
98
99
Pin Name
SCONF0
LED5-2
LED5-1
LED5-0
LED4-2
LED4-1
LED4-0
LED3-2
LED3-1
LED3-0
LED2-2
LED2-1
LED2-0
LED1-2
VDDIO
GNDD
GNDD
VDDC
Type
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
GND
GND
IPD
P
P
(1)
Port
5
5
5
4
4
4
3
3
3
2
2
2
1
Pin Function
Dual MII/RMII configuration pin. See pin 86 descriptions.
1.2V digital core V
LED indicator 2.
Strap option:
Aging setup. See “Aging” section.
PU (default) = aging enable
PD = aging disable.
LED indicator 1.
Strap option:
PU (default): enable PHY[5] MII I/F.
PD: tristate all PHY[5] MII output. See “Pin 86 SCONF1.”
LED indicator 0.
Strap option for port 4 only.
PU (default) = Enable auto-negotiation.
PD = Disable auto-negatiation. Strap to register76 bit[7].
LED indicator 2.
LED indicator 1.
LED indicator 0.
Strap option:
PU (default) = Normal mode.
PD = Energy Detection mode (EDPD mode)
Strap to register 14 bits[4:3]
LED indicator 2.
LED indicator 1.
LED indicator 0.
Strap option:
PU (default) = Select I/O drive strength (8mA);
PD = Select I/O drive strength (12mA).
Strap to register132 bit[7-6].
3.3V, 2.5V or 1.8V digital V
LED indicator 2.
Strap option for RQ only:
PU (default) = Select the device as clock mode in SW5- RMII,
25MHz crystal/oscillator to X1/X2 pins of the device and pins of
SMRXC and PMRXC output 50MHz clock.
PD = Select the device as normal mode in SW5-RMII. Switch
MAC5 used only. The input clock from X1/X2 pins is not used, the
device’s clock source comes from SMTXC/SMREFCLK pin which
the 50MHz reference clock comes from external 50MHz clock
source, PMRXC can output 50MHz clock for P5-RMII interface in
the normal mode.
LED indicator 1.
Strap option: for Port 3 only.
PU (default) = Enable auto-negotiation.
PD = Disable auto-negatiation. Strap to register60 bit[7].
LED indicator 0.
LED indicator 2.
Digital ground.
Digital ground.
19
(2)
DD
.
DD
for digital I/O circuitry.
KSZ8895MQ/RQ/FMQ
M9999-012011-1.2