KSZ8993MI Micrel Inc, KSZ8993MI Datasheet - Page 52

• Manufacturer Part Number: KSZ8993MI
• Description: IC SWITCH 10/100 W/TXRX 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8993MI

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• 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): 85C
• Operating Temperature (min): -40C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 1.89/3.465V
• Operating Supply Voltage (min): 1.71/3.135V
• Power Dissipation: 800mW
• Supply Current: 0.1/0.19A
• Operating Temperature Classification: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-2124; KSZ8993MI

Register 5 (0x05): Global Control 3 (continued)
Bit
0
Register 6 (0x06): Global Control 4
Bit
7
6
5
4
Micrel, Inc.
October 2008
Sniff mode
select
Switch MII half-
duplex mode
Switch MII flow
control enable
Switch MII
10BT
Name
Name
Reserved
R/W
R./W
R/W
R/W
R/W
R/W
R/W
Description
= 1, will do rx AND tx sniff (both source port and
destination port need to match)
= 0, will do rx OR tx sniff (Either source port or
destination port needs to match). This is the mode
used to implement rx only sniff.
Description
= 1, enable MII interface half-duplex mode.
= 0, enable MII interface full-duplex mode.
= 1, enable full-duplex flow control on Switch MII
interface.
= 0, disable full-duplex flow control on Switch MII
interface.
= 1, the switch interface is in 10Mbps mode
= 0, the switch interface is in 100Mbps mode
52
Default
0
Default
0
Pin SMRXD2
strap option.
Pull-down(0):
Full-duplex
mode
Pull-up(1):
Half-duplex
mode
Note:
SMRXD2 has
internal pull-
down.
Pin SMRXD3
strap option.
Pull-down(0):
Disable flow
control
Pull- up(1):
Enable flow
control
Note:
SMRXD3 has
internal pull-
down.
Pin SMRXD1
strap option.
Pull –
down(0):
Enable
100Mbps
Pull-up(1):
Enable
10Mpbs
Note:
SMRXD1 has
internal pull-
down.
M9999-020606
KSZ8993M/ML