KSZ8895MQ_12 MICREL [Micrel Semiconductor], KSZ8895MQ_12 Datasheet - Page 14

• 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
March 2012
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
1
2
3
4
5
6
7
8
9
Pin Name
MDI-XDIS
VDDAR
VDDAT
VDDAR
VDDAT
VDDAT
VDDAR
VDDAT
FXSD3
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
RXM1
RXM2
RXM3
RXM4
RXM5
RXP1
TXM1
RXP2
TXM2
RXP3
TXM3
RXP4
TXM4
RXP5
TXM5
TXP1
TXP2
TXP3
TXP4
TXP5
ISET
Type
GND
GND
GND
GND
GND
GND
GND
GND
IPD
IPD
P
O
O
P
O
O
P
P
O
O
P
O
O
P
O
O
P
I
I
I
I
I
I
I
I
I
I
(1)
1  5
Port
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
3
Pin Function
Disable auto MDI/MDI-X.
PD (default) = normal operation.
PU = disable auto MDI/MDI-X on all ports.
Analog ground.
1.2V analog V
Physical receive signal + (differential).
Physical receive signal - (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal - (differential).
3.3V analog V
Physical receive signal + (differential).
Physical receive signal - (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal - (differential).
1.2V analog V
Analog ground.
Set physical transmit output current. Pull-down with a
12.4kΩ1% resistor.
3.3V analog V
Physical receive signal + (differential).
Physical receive signal - (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal – (differential).
3.3V analog V
Physical receive signal + (differential).
Physical receive signal - (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal - (differential).
Analog ground.
1.2V analog V
Physical receive signal + (differential).
Physical receive signal - (differential).
Analog ground.
Physical transmit signal + (differential).
Physical transmit signal - (differential).
3.3V analog V
FMQ: Fiber signal detect pin for Port 3.
MQ/RQ: no connection.
14
(2)
DD
DD
DD
DD
DD
DD
DD
.
.
.
.
.
.
.
KSZ8895MQ/RQ/FMQ
M9999-032612-1.5