LAN91C96I_07 SMSC [SMSC Corporation], LAN91C96I_07 Datasheet - Page 67

• Manufacturer Part Number: LAN91C96I_07
• Description: Non-PCI Single-Chip Full Duplex Ethernet Controller
• Manufacturer: SMSC [SMSC Corporation]

Non-PCI Single-Chip Full Duplex Ethernet Controller
SMSC DS – LAN91C96I
Choose Bank Select
Call ALLOCATE
Exit Driver Send
DRIVER SEND
Register 2
Figure 8.5 – Driver Send and Allocate Routines
Return Buffers to Upper Layer
Copy Part of TX Data Packet
Set "Ready for Packet" Flag
Write Allocated Packet into
Write Source Address into
Copy Remaining TX Data
Read Allocation Result
Write Address Pointer
Packet # Register
Enqueue Packet
Packet into RAM
Proper Location
DATASHEET
into RAM
Register
Register
Yes
Page 67
Read Interrupt Status Register
Issue "Allocate Memory"
Command to MMU
ALLOCATE
Allocation
Passed?
Return
Clear "Ready for Packet" Flag
No
Enable Allocation Interrupt
Store Data Buffer Pointer
Rev. 03-28-07