LAN91C111I-NC SMSC, LAN91C111I-NC Datasheet - Page 91

• Manufacturer Part Number: LAN91C111I-NC
• Description: Ethernet ICs Non-PCI 10/100 Ethernet MAC
• Manufacturer: SMSC
• Type: Single Chip MAC and PHYr

Specifications of LAN91C111I-NC

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Product: Ethernet Controllers
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 Mbps, 100 Mbps
• Supply Voltage (max): 5 V
• Supply Voltage (min): 0 V
• Supply Current (max): 140 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS 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