FLLXT971A Intel, FLLXT971A Datasheet - Page 20

• Manufacturer Part Number: FLLXT971A
• Description: 3.3V Dual Speed Fast Ethernet PHY Transceicer
• Manufacturer: Intel

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LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
20
Table 8.
LXT971A Pin Types and Modes
HWReset
SFTPWRDN
HWPWRDN
ISOLATE
SLEEP
1. A High Z (High impedance) or three-state determines when the device is drawing a current of less than
2. DL = Driven Low (Logic 0), DH = Driven High (Logic 1), IPLD = Internal Pull-Down (Weak)
Modes
20 nA. A High Z with PLD (High impedance with pull-down) state determines when the device is drawing a
current of less than 20 µA.
DL
DL
High Z
HZ w/
IPLD
DL
RXD 0-3
DL
DL
High Z
HZ w/
IPLD
DL
RXDV
DH
Active
High Z
HZ w/
IPLD
DL
Output
Tx/Rx
CLKS
Output
DL
DL
High Z
HZ w/
IPLD
DL
RXER
High Z
Output
DL
DL
HZ w/
IPLD
DL
COL
DL
DL
High Z
HZ w/
IPLD
DL
Output
CRS
IPLD
IPLD
High Z
IPLD
IPLD
TXD 0-3
Input
Rev. Date: August 7, 2002
IPLD
IPLD
High Z
IPLD
IPLD
Document #: 249414
TXEN
Input
Revision #: 002
Datasheet
IPLD
IPLD
High Z
IPLD
IPLD
TXER
Input