KSZ8041FTL-S Micrel, KSZ8041FTL-S Datasheet - Page 35

• Manufacturer Part Number: KSZ8041FTL-S
• Description: Ethernet ICs 10/100 PHY Fibre version and SMII
• Manufacturer: Micrel
• Type: Single Port 10/100 Mb/s Ethernet Physical Layer Transceiverr

Specifications of KSZ8041FTL-S

• Rohs: yes
• Product: Ethernet Transceivers
• Number Of Transceivers: 1
• Data Rate: 10 Mb/s, 100 Mb/s
• Supply Voltage - Max: 3.465 V
• Supply Voltage - Min: 3.135 V
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-48
• Ethernet Connection Type: 10Base-T, 100Base-FX, 100Base-TX
• Maximum Supply Current: 58.3 mA
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT

Micrel, Inc.
Register Map
Register Description
April 2007
Register Number (Hex)
0h
1h
2h
3h
4h
5h
6h
7h
8h
9h – 14h
15h
16h – 1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
Address
Register 0h – Basic Control
0.15
0.14
0.13
0.12
0.11
0.10
0.9
Name
Reset
Loop-back
Speed Select
(LSB)
Auto-
Negotiation
Enable
Power Down
Isolate
Restart Auto-
Negotiation
Description
Basic Control
Basic Status
PHY Identifier 1
PHY Identifier 2
Auto-Negotiation Advertisement
Auto-Negotiation Link Partner Ability
Auto-Negotiation Expansion
Auto-Negotiation Next Page
Link Partner Next Page Ability
Reserved
RXER Counter
Reserved
Interrupt Control/Status
Reserved
LinkMD
PHY Control 1
PHY Control 2
Description
1 = Software reset
0 = Normal operation
This bit is self-cleared after a ‘1’ is written to it.
1 = Loop-back mode
0 = Normal operation
1 = 100Mbps
0 = 10Mbps
This bit is ignored if auto-negotiation is enabled
(register 0.12 = 1).
1 = Enable auto-negotiation process
0 = Disable auto-negotiation process
If enabled, auto-negotiation result overrides
settings in register 0.13 and 0.8.
1 = Power down mode
0 = Normal operation
1 = Electrical isolation of PHY from MII and
0 = Normal operation
1 = Restart auto-negotiation process
0 = Normal operation.
This bit is self-cleared after a ‘1’ is written to it.
TX+/TX-
®
Control/Status
35
Mode
RW/SC
RW
RW
RW
RW
RW
RW/SC
(1)
Default
0
0
Set by SPEED strapping pin.
See “Strapping Options” section
for details.
Set by NWAYEN strapping pin.
See “Strapping Options” section
for details.
0
Set by ISO strapping pin.
See “Strapping Options” section
for details.
0
M9999-042707-1.1
KSZ8041TL/FTL