KS8993F A5 Micrel Inc, KS8993F A5 Datasheet - Page 54

• Manufacturer Part Number: KS8993F A5
• Manufacturer: Micrel Inc

Specifications of KS8993F A5

• 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): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 1.89/3.465V
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

KS8993F
Register 6 (0x06): Global Control 4
August 26, 2004
5
4
3-2
1
0
Bit
7
6
5
4
Name
Reserved
Switch MII
half duplex
mode
Switch MII
flow control
enable
Switch MII
10BT
Reserved
Reserved
Priority
Scheme
select
Reserved
Sniff mode
select
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R./W
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
00 = always deliver high priority packets first
01 = deliver high/low packets at ratio 10/1
10 = deliver high/low packets at ratio 5/1
11 = deliver high/low packets at ratio 2/1
= 1, will do rx AND tx sniff (both source port and destination port
= 0, will do rx OR tx sniff (Either source port or destination port
need to match)
needs to match). This is the mode used to implement rx
only sniff.
- 54 -
0
0
00
0
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
Revision 1.0
Micrel