NO:
W90P710 Programming Guide
VERSION:
2.1
PAGE:
55
The above information is the exclusive intellectual property of Winbond Electronics and shall not be disclosed,
distributed or reproduced without permission from Winbond.
Table No.: 1200-0003-07-A
Figure 4-5 Tx Interrupt Service Routine Flow
Check status of
MISTA
Bus Error ?
Set
Software Reset
bit in
FIFOTHD
to
reset MAC
Get Status from Tx Buffer
Descriptor pointed by Tx S/W
pointer
TXCP
bit set ?
Free data buffer allocated for
the transmitted packet
Update the Tx S/W descriptor
pointer to next Tx Buffer
Descriptor
Transmit the next packet if
there is any packet available in
the device queue
Error Handling for
other interrupt cause.
Enter Tx ISR
End of Tx ISR
N
Y
N
Y
