AN983BX-BG-T-V1 Infineon Technologies, AN983BX-BG-T-V1 Datasheet - Page 23

• Manufacturer Part Number: AN983BX-BG-T-V1
• Description: IC PCI TO ETHERNET LAN 128-PQFP
• Manufacturer: Infineon Technologies

Specifications of AN983BX-BG-T-V1

• Applications: Ethernet Controller
• Interface: USB
• Voltage - Supply: 3 V ~ 3.6 V
• Package / Case: 128-BFQFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AN983BXBGTV1; AN983BXBGTV1XP; SP000075554

7.3
7.3.1
The flow of packet transmit is shown as below.
Figure 9
7.3.2
•
•
•
Data Sheet
Transmit FIFO size = 2K-byte
Two packets in the FIFO at the same time
Meet the transmit min. back-to-back
Transmit Scheme and Transmit Early Interrupt
Transmit Flow
Transmit Flow
Transmit Pre-fetch Data Flow
threshold DO TRANSMIT read the rest
no deferring and greater than tx
read data and put into tx fifo
available descriptor(own=1)
AN983B read descriptor
generate interrupt
write descriptor
collision ?
data
23
No
Change own bit to 1
Initial
Program the descriptor, and place data
into the host memory
Write tx demand poll
Yes
End
own=0
back -off
Functional Descriptions
Rev. 1.81, 2005-12-15
AN983B/BX