LAN91C111I-NU Standard Microsystems (SMSC), LAN91C111I-NU Datasheet - Page 91

• Manufacturer Part Number: LAN91C111I-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN91C111I-NU

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
TXEMPTY INTR
Write Acknowledge Reg. with
TXEMPTY Bit Set
Read TXEMPTY & TX INTR
TXEMPTY = 1
TXEMPTY = 0
TXEMPTY = X
&
&
&
TXINT = 0
TXINT = 0
TXINT = 1
(Everything went through
(Waiting for Completion)
(Transmission Failed)
successfully)
Read Pkt. # Register & Save
Write Address Pointer
Register
Read Status Word from RAM
Update Statistics
Update Variables
Issue "Release" Command
Acknowledge TXINTR
Re-Enable TXENA
Restore Packet Number
Return to ISR
Figure 10.4 TXEMPTY INTR (Assumes Auto Release Option Selected)
SMSC LAN91C111 REV C
91
Revision 1.91 (06-01-09)
DATASHEET