LAN8187-JT SMSC, LAN8187-JT Datasheet - Page 42

• Manufacturer Part Number: LAN8187-JT
• Description: Ethernet ICs HiPerfrm Ethrnt PHY
• Manufacturer: SMSC
• Type: MII/RMII Ethernet Transceiverr

Specifications of LAN8187-JT

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Transceivers
• Number Of Transceivers: 1
• Standard Supported: 802.3ab
• Data Rate: 10 MB, 100 MB
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 1.8 V
• Supply Current (max): 39 mA, 81.6 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Revision 1.7 (03-04-11)
ADDRESS
ADDRESS
1.10:6
0.6:0
0.15
0.14
0.13
0.12
0.11
0.10
1.15
1.14
1.13
1.12
1.11
0.9
0.8
0.7
1.5
100Base-TX Half
100Base-TX Full
Auto-Negotiate
Speed Select
Restart Auto-
Duplex Mode
Collision Test
10Base-T Half
Power Down
10Base-T Full
Negotiation
100Base-T4
Loopback
Negotiate
Reserved
Reserved
Complete
Enable
NAME
Isolate
Reset
Duplex
Duplex
Duplex
Duplex
Auto-
NAME
1 = software reset. Bit is self-clearing. For best results,
1 = loopback mode,
0 = normal operation
1 = 100Mbps,
0 = 10Mbps.
Ignored if Auto Negotiation is enabled (0.12 = 1).
1 = enable auto-negotiate process
0 = disable auto-negotiate process
1 = General power down mode,
0 = normal operation
1 = electrical isolation of PHY from MII
0 = normal operation
1 = restart auto-negotiate process
0 = normal operation. Bit is self-clearing.
1 = Full duplex,
0 = Half duplex.
1 = enable COL test,
0 = disable COL test
Ignored if Auto Negotiation is enabled (0.12 = 1).
1 = T4 able,
0 = no T4 ability
1 = TX with full duplex,
0 = no TX full duplex ability
1 = TX with half duplex,
0 = no TX half duplex ability
1 = 10Mbps with full duplex
0 = no 10Mbps with full duplex ability
1 = 10Mbps with half duplex
0 = no 10Mbps with half duplex ability
1 = auto-negotiate process completed
0 = auto-negotiate process not completed
Table 5.30 Register 0 - Basic Control
when setting this bit do not set other bits in this
register. The configuration (as described in
Section
and not from the mode pins.
(overrides 0.13 and 0.8)
Table 5.31 Register 1 - Basic Status
±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
5.4.9.2) is set from the register bit values,
DATASHEET
DESCRIPTION
DESCRIPTION
42
SMSC LAN8187/LAN8187i
MODE
MODE
RW/
RW/
RW
RW
RW
RW
RW
RW
RW
RO
SC
SC
RO
RO
RO
RO
RO
RO
MODE[2:0]
MODE[2:0]
MODE[2:0]
MODE[2:0]
DEFAULT
DEFAULT
Set by
Set by
Set by
Set by
Datasheet
®
bus
bus
bus
bus
Technology
0
0
0
0
0
0
0
1
1
1
1
0