KSZ8995M Micrel Inc, KSZ8995M Datasheet - Page 33
![IC SWITCH 10/100 5PORT 128PQFP](/photos/6/81/68152/576-128-pqfp_sml.jpg)
KSZ8995M
Manufacturer Part Number
KSZ8995M
Description
IC SWITCH 10/100 5PORT 128PQFP
Manufacturer
Micrel Inc
Specifications of KSZ8995M
Applications
*
Mounting Type
Surface Mount
Package / Case
128-MQFP, 128-PQFP
Number Of Primary Switch Ports
5
Internal Memory Buffer Size
64
Operating Supply Voltage (typ)
1.8/2.5/3.3V
Fiber Support
Yes
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII/SNI
Power Supply Type
Analog/Digital
Package Type
PQFP
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
1.9/2.6/3.6V
Operating Supply Voltage (min)
1.7/2.4/3V
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-1607 - BOARD EVAL EXPERIMENT KSZ8995MA
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-1038
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8995M
Manufacturer:
KENDIN
Quantity:
331
Part Number:
KSZ8995M
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Company:
Part Number:
KSZ8995MA
Manufacturer:
MICREL
Quantity:
7 000
Company:
Part Number:
KSZ8995MA
Manufacturer:
MICREL
Quantity:
18
Part Number:
KSZ8995MA
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Company:
Part Number:
KSZ8995MA-EVAL
Manufacturer:
Micrel Inc
Quantity:
135
Company:
Part Number:
KSZ8995MAI
Manufacturer:
TI
Quantity:
1 700
Part Number:
KSZ8995MAI
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Configuration Interface
The KS8995M can function as a managed switch or unmanaged switch. If no EEPROM or micro-controller exists, the
KS8995M will operate from its default setting. Some default settings are configured via strap in options as indicated in the table
below.
June 2009
KS8995M
Pin #
45
46
62
63
64
65
66
67
68
80
81
82
83
1
Pin Name
PMRXER
PMRXD3
PMRXD2
PMRXD1
PMRXD0
SMRXD3
SMRXD2
SMRXD1
SMRXD0
TEST1
MUX1
MUX2
PCRS
PCOL
PU/PD
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
NC
NC
NC
Description
NC for normal operation. Factory test pin.
MUX1 and MUX2 should be left unconnected for normal operation.
They are factory test pins
Mode
Normal Operation
Remote Analog Loopback Mode for Testing only
Reserved
Power Save Mode for Testing only
PHY[5] MII receive bit 3. Strap option: PD (default) = enable flow control;
PU = disable flow control.
PHY[5] MII receive bit 2. Strap option: PD (default) = disable back pressure;
PU = enable back pressure.
PHY[5] MII receive bit 1. Strap option: PD (default) = drop excessive collision
packets; PU = does not drop excessive collision packets.
PHY[5] MII receive bit 0. Strap option: PD (default) = disable aggressive back-off
algorithm in half-duplex mode; PU = enable for performance enhancement.
PHY[5] MII receive error. Strap option: PD (default) = 1522/1518 bytes;
PU = packet size up to 1536 bytes.
PHY[5] MII carrier sense/Force duplex mode. See “Register 76” 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.
PHY[5] MII collision detect/ Force flow control. See “Register 66” for port 4 only.
PD (default) = No force flow control. PU = Force flow control.
Switch MII receive bit 3. Strap option: PD (default) = Disable Switch MII full-duplex
flow control; PU = Enable Switch MII full-duplex flow control.
Switch MII receive bit 2. Strap option: PD (default) = Switch MII in full-duplex mode;
PU = Switch MII in half-duplex mode.
Switch MII receive bit 1. Strap option: PD (default) = Switch MII in 100Mbps mode;
PU = Switch MII in 10Mbps mode.
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
33
Mode 0
Lnk/Act
Fulld/Col
Speed
Mux1
NC
0
1
1
Mode 1
100Lnk/Act
10Lnk/Act
Fulld
M9999-062309
Micrel, Inc.
Mux2
NC
1
0
1