KS8737 Micrel Inc, KS8737 Datasheet - Page 12

• Manufacturer Part Number: KS8737
• Manufacturer: Micrel Inc

Specifications of KS8737

• Lead Free Status / RoHS Status: Not Compliant

KS8737
Register Map
Note 1.
KS8737
Address
Register 0h - Basic Control
0.15
0.14
0.13
0.12
0.11
0.10
0.9
0.8
0.7
0.6:0
Register 1h - Basic Status
1.15
1.14
1.13
Register No.
RW: Read/Write, RO: Read only, SC: Self clear, LH: Latch High, LL: Latch Low.
15h
1bh
1ch
1dh
1eh
1fh
0h
1h
2h
3h
4h
5h
6h
7h
Name
Reset
Loopback
Speed Select
Auto-Negotiation Enable
Power Down
Isolate
Restart Auto-Negotiation
Duplex Mode
Collision Test
Reserved
100BaseT4
100BaseTX Full-Duplex
100BaseTX Half-Duplex
Description
Basic Control Register
Basic Status Register
PHY Identifier I
PHY Identifier II
Auto-Negotiation Advertisement Register
Auto-Negotiation Link Partner Ability Register
Auto-Negotiation Expansion Register
Auto-Negotiation Next Page Register
RXER Counter Register
Interrupt Control/Status Register
Reserved
Reserved
Reserved
100BaseTX PHY Control Register
Description
1 = software reset. Bit is self-clearing
1 = loopback mode
0 = normal operation
1 = 100Mbps
0 = 10Mbps
Ignored if Auto-Negotiation is enabled (0.12 = 1)
1 = enable auto-negotiation process (override 0.13 and 0.8) RW
0 = disable auto-negotiation process
1 = power down mode
0 = normal operation
1 = electric isolation of PHY from MII and TXP/TXM
0 = normal operation
1 = restart auto-negotiation process
0 = normal operation. Bit is self-clearing
1 = full-duplex
0 = half duplex
1 = enable COL test
0 = disable COL test
1 = T4 capable
0 = no T4 capable
1 = capable of 100BaseX full-duplex
0 = not capable of 100BaseX full-duplex
1 = capable of 100BaseX half duplex
0 = not capable of 100BaseX half duplex
12
Mode
RW/SC
RW
RW
RW
RW
RW/SC
RW
RW
RO
RO
RO
RO
(Note 1)
Default
0
0
Set by MODE
Selection Table
Set by MODE
Selection Table
0
Set by MODE
Selection Table
0
Set by FDX
(pin 13)
0
0
0
1
1
August 2003
Micrel