KS8721SL-EVAL Micrel Inc, KS8721SL-EVAL Datasheet - Page 12

• Manufacturer Part Number: KS8721SL-EVAL
• Description: BOARD EVAL EXPERIMENT KS8721SL
• Manufacturer: Micrel Inc

Specifications of KS8721SL-EVAL

• Main Purpose: Interface, Ethernet Controller (PHY and MAC)
• Embedded: No
• Utilized Ic / Part: KSZ8721SL
• Primary Attributes: 1 Port, 100BASE-TX/100BASE-FX/10BASE-T
• Secondary Attributes: MII, RMII, Auto MDI, MDIX, >130 Meter Cable Driver, LDO, IEEE802.3u Compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 576-1010

KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver)
Address
0.11
0.10
0.9
0.8
0.7
0.6:1
0.0
Register 1h – Basic Status
1.15
1.14
1.13
1.12
1.11
1.10:7
Name
Power
Down
Isolate
Restart
Auto-
Negotiation
Duplex
Mode
Collision
Test
Reserved
Disable
Transmitter
100BaseT4
100BaseTX
Full Duplex
100BaseTX
Half Duplex
10BaseT
Full Duplex
10BaseT
Half Duplex
Reserved
Description
1 = power down mode
0 = normal operation
1 = electrical isolation of PHY from
MII and TX+/TX-
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
0 = enable transmitter
1 = disable transmitter
1 = T4 capable
0 = not 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
1 = 10Mbps with full duplex
0 = no 10Mbps with full duplex
capability
1 = 10Mbps with half duplex
0 = no 10Mbps with half duplex
capability
- 12 -
KS8721BL/SL Preliminary Rev 0.90
Mode Default
RW
RW
RW/
SC
RW
RW
RO
R/W
RO
RO
RO
RO
RO
RO
0
Set by
ISO
0
Set by
DUPLEX
0
0
0
0
1
1
1
1
0
Aug, 2003