lan91c100 Standard Microsystems Corp., lan91c100 Datasheet - Page 60
lan91c100
Manufacturer Part Number
lan91c100
Description
Feast ? Ast Ethernet Controller
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN91C100.pdf
(101 pages)
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(Waiting for Completion)
TXEMPTY = 0
TXINT = 0
&
Write Acknowledge Reg. with
Read Status Word from RAM
Read Pkt. # Register & Save
Read TXEMPTY & TX INTR
Issue "Release" Command
Restore Packet Number
Write Address Pointer
Acknowledge TXINTR
(Transmission Failed)
Re-Enable TXENA
TXEMPTY Bit Set
Update Statistics
TXEMPTY INTR
Return to ISR
TXEMPTY = X
Register
TXINT = 1
&
60
(Everything went through
TXEMPTY = 1
successfully)
TXINT = 0
Update Variables
&