LAN91C96I-MS SMSC, LAN91C96I-MS Datasheet - Page 38
LAN91C96I-MS
Manufacturer Part Number
LAN91C96I-MS
Description
Ethernet ICs Non-PCI 10 Mbps Ethernet MAC
Manufacturer
SMSC
Type
Single Chip MAC and PHYr
Datasheet
1.LAN91C96-MU.pdf
(125 pages)
Specifications of LAN91C96I-MS
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, 802.3u
Data Rate
10 Mbps, 100 Mbps
Supply Voltage (max)
5 V
Supply Voltage (min)
0 V
Supply Current (max)
95 mA
Maximum Operating Temperature
+ 70 C
Package / Case
TQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN91C96I-MS
Manufacturer:
Standard
Quantity:
399
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Chapter 6 Frame Format in Buffer Memory for
Revision 1.0 (10-24-08)
The frame format in memory is similar to that in the TRANSMIT and RECEIVE areas. The first word is
reserved for the status word, the next word is used to specify the total number of bytes, and that in turn is
followed by the data area. The data area holds the packet itself, and its length is determined by the byte
count. The frame memory format is word oriented.
BYTE COUNT - Divided by two, it defines the total number of words, including the STATUS WORD, the
BYTE COUNT WORD, the DATA AREA and the CONTROL BYTE. The receive byte count always
appears as even, the ODDFRM bit of the receive status word indicates if the low byte of the last word is
1534 Max
(DECIMAL)
CONTROL BYTE
STATUS WORD
OFFSET
BYTE COUNT
DATA AREA
RAM
0
2
4
Ethernet
bit15
RESERVED
2nd Byte
CONTROL BYTE
Last Byte
Written by CSMA upon transmit
completion (see Status Register)
Written by CPU
Written/modified by CPU
Written by CPU to control
ODD/EVEN data bytes
Figure 6.1 – Data Frame Format
DATASHEET
TRANSMIT PACKET
STATUS WORD
Page 38
DATA AREA
BYTE COUNT (always even)
Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet
LAST DATA BYTE (if odd)
Written by CSMA upon receive
completion (see RX Frame
Status Word)
Written by CSMA
Written by CSMA
Written by CSMA. Also has
ODD/EVEN bit
RECEIVE PACKET
1st Byte
bit0
SMSC LAN91C96 5v&3v
Datasheet
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