KSZ8895MQ_12 MICREL [Micrel Semiconductor], KSZ8895MQ_12 Datasheet - Page 18

• Manufacturer Part Number: KSZ8895MQ_12
• Description: Integrated 5-Port 10/100 Managed Ethernet Switch with MII/RMII interface
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Pin Description (Continued)
March 2012
Pin Number
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Pin Name
SCONF1
SCONF0
LED5-2
LED5-1
LED5-0
LED4-2
LED4-1
LED4-0
LED3-2
LED3-1
LED3-0
GNDD
GNDD
VDDC
Type
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
IPU/O
GND
GND
IPD
IPD
P
(1)
Port
5
5
5
4
4
4
3
3
3
Pin Function
Pins 91, 86, and 87 are dual MII/RMII configuration pins for the
Port 5 MAC5 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.
Pin# (91, 86, 87)
000
001
010
011
100
101
110
111
Dual MII/RMII configuration pin. See pin 86 descriptions.
Digital ground.
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].
Digital ground.
18
(2)
DD
Disable, Otri
PHY Mode MII, or
RMII
MAC Mode MII, or
RMII
PHY Mode SNI
Disable (default)
PHY Mode MII or
RMII
MAC Mode MII or
RMII
PHY Mode SNI
.
Port 5 Switch
MAC5 SW5-
MII/RMII
KSZ8895MQ/RQ/FMQ
Disable, Otri
Disable, Otri
P5-MII/RMII
P5-MII/RMII
Disable, Otri
Disable, Otri
Disable (default)
P5-MII/RMII
P5- MII/RMII
Port5 PHY5
M9999-032612-1.5