KS8993F-A1 Micrel Inc, KS8993F-A1 Datasheet - Page 66

• Manufacturer Part Number: KS8993F-A1
• Description: IC CONV MED 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8993F-A1

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• For Use With: KS8993F-EVAL - EVAL KIT EXPERIMENTAL KS8993F
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

KS8993F
Note: This register is managed by the Center side.
Register 66 (0x42): Center Side Command
Register 67 (0x43): PHY-SW Initialize
August 26, 2004
Bit
7–5
4
3
2
1
0
Bit
7
6
5
Name
P2 SPEED
P2 DUPLEX
P2 Auto
Negotiation
Name
Timer
Delay
Com4
Com3
Com2
Com1
Com0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
000 = Reserved (Do Not Use)
001 = 32us (default)
010 = 128us
011 = 256us
100 = 512us
101 = 1ms
110 = 2m
111 = 4ms
To send a maintenance frame, an external controller writes to these command
bits via the SMI, SPI, or I2C interface.
made
Other values : N/A
Note
0 0000 : No request
0 0001 : Send “Condition Inform Request” frame
0 0010 : Send “Loop Mode Start Request” frame
0 0100 : Send “Loop Mode Stop Request” frame
0 1000 : Send “Remote Command”. Here, the Maintenance frame will be
1 0000 : Send “Indicate Center/Terminal MC Condition” frame. Usually,
Except for the “Indicate Center/Terminal MC Condition” frame, all
maintenance frames here are sent by the Center side MC only.
Description
0 = 10Mbps
This bit share the same physical register as Reg. 2Ch bit 6.
1 = Full duplex
0 = Half duplex
This bit share the same physical register as Reg. 2Ch bit 5.
1 = AN enable
0 = AN disable
This bit share the same physical register as Reg. 2Ch bit 7.
1 = 100Mbps
up of the “Condition Inform Request/Reply” frame, but the My Model
Info bits MM24-MM47 will be mapped to Registers 4Ah-4Ch, instead
of Registers 55h-57h.
“Indicate Center/Terminal MC Condition” frame will be sent
automatically. But this OAM frame can be sent manually using this
command.
- 66 -
Default
P2SPD pin
value during
reset
P2DPX pin
value during
reset
P2ANEN
pin value
during reset
Revision 1.0
Default
001
0
0
0
0
0
Micrel