LAN91C100FD-ST SMSC, LAN91C100FD-ST Datasheet - Page 44
LAN91C100FD-ST
Manufacturer Part Number
LAN91C100FD-ST
Description
Ethernet ICs Non-PCI 10/100 Ethernet MAC
Manufacturer
SMSC
Type
Single Chip MAC and PHY Controllerr
Datasheet
1.LAN91C100FD-ST.pdf
(77 pages)
Specifications of LAN91C100FD-ST
Ethernet Connection Type
10 Base-T, 100 Base-TX
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Number Of Transceivers
1
Standard Supported
802.3
Data Rate
10 MB, 100 MB
Supply Voltage (max)
7 V
Supply Voltage (min)
0.3 V
Supply Current (max)
40 mA
Maximum Operating Temperature
+ 70 C
Package / Case
TQFP-208
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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FEAST Fast Ethernet Controller with Full Duplex Capability
ISR
Save Bank Select & Address
Ptr Registers
Mask SMC91C100FD
Interrupts
Read Interrupt Register
No
Yes
RX INTR?
Yes
TX INTR?
Call TX INTR or TXEMPTY
INTR
No
Call RXINTR
Get Next TX
ALLOC INTR?
Packet
No
Yes
Available for
Transmission?
Yes
No
Write Allocated Pkt # into
Packet Number Reg.
Call ALLOCATE
Write Ad Ptr Reg. & Copy Data
& Source Address
Enqueue Packet
EPH INTR?
Yes
No
Set "Ready for Packet" Flag
Restore Address Pointer &
Call EPH INTR
Bank Select Registers
Return Buffers to Upper Layer
Unmask SMC91C100FD
Interrupts
Disable Allocation Interrupt
Mask
Exit ISR
Figure 5.3 - Interrupt Service Routine
Revision 1.0 (09-22-08)
Page 44
SMSC LAN91C100FD Rev. D
DATASHEET
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