lan91c100 Standard Microsystems Corp., lan91c100 Datasheet - Page 62

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lan91c100

Manufacturer Part Number
lan91c100
Description
Feast ? Ast Ethernet Controller
Manufacturer
Standard Microsystems Corp.
Datasheet

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Choose Bank Select
Exit Driver Send
Call ALLOCATE
DRIVER SEND
Register 2
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
Proper Location
Packet into RAM
into RAM
Register
Register
Yes
Read Interrupt Status Register
62
Issue "Allocate Memory"
Command to MMU
ALLOCATE
Allocation
Passed?
Return
Clear "Ready for Packet" Flag
No
Enable Allocation Interrupt
Store Data Buffer Pointer

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