参数资料
型号: 91C94
厂商: SMSC Corporation
英文描述: ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM
中文描述: 的ISA / PCMCIA的单芯片以太网控制器与RAM
文件页数: 91/120页
文件大小: 447K
代理商: 91C94
72
FIGURE 15 – TXEMPTY INTR
(Assumes Auto Release Option Selected)
TXEMPTY I NTR
Write Acknowledge Reg. with
TXEMPTY Bit Set
Read TXEMPTY & TX INTR
Ack nowledge TXI NTR
Re-Enable TXENA
R eturn t oI SR
I ssue "R eleas e" Comma nd
R es tore Pack et Number
TXEMPTY = 0
&
TXINT = 0
(W aiting for Compl etion)
TXEMPTY = X
&
TXINT = 1
(Transmission Failed)
TXEMPTY = 1
&
TXINT = 0
(Ev erything w ent through
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
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