LAN91C94 SMSC Corporation, LAN91C94 Datasheet - Page 72

• Manufacturer Part Number: LAN91C94
• Manufacturer: SMSC Corporation

TXEMPTY I NTR
Write Acknowledge Reg. with
TXEMPTY Bit Set
Read TXEMPTY & TX INTR
TXEMPTY = 1
TXEMPTY = 0
TXEMPTY = X
&
&
&
TXINT = 0
TXINT = 0
TXINT = 1
(Ev erything w ent through
(Waiting for Compl etion)
(Transmission Failed)
suc cessf ully)
Read Pkt . # Regis ter & Save
W rite Address Pointer
Regis ter
Read Statu s Word from RAM
Updat e Statistic s
Update Variables
I ssue "R eleas e" Comm a nd
Ack nowledge TXI NTR
Re-Enable TXENA
R es tore Pack et Num ber
R eturn t o I SR
FIGURE 15 – TXEMPTY INTR
(Assumes Auto Release Option Selected)
72