參數(shù)資料
型號： 91C94
廠商： SMSC Corporation
英文描述： ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM
中文描述： 的ISA / PCMCIA的單芯片以太網(wǎng)控制器與RAM
文件頁數(shù)： 58/120頁
文件大?。?/td> 447K
代理商： 91C94
42
I/O SPACE - BANK0
OFFSET
8
NAME
MEMORY INFORMATION REGISTER
TYPE
READ ONLY
SYMBOL
MIR
For software compatibility with other LAN9000 parts all memory-related information is represented
in 256 x M byte units, where the multiplier M is determined by the MCR upper byte. M equals 1 for
the LAN91C94.
HIGH
BYTE
FREE MEMORY AVAILABLE (in bytes x 256 x M)
0
1
0
1
0
LOW
BYTE
MEMORY SIZE (in bytes x 256 x M)
0
1
0
1
0
FREE MEMORY AVAILABLE - This register can
be read at any time to determine the amount of
free memory. The register defaults to the
MEMORY SIZE upon reset or upon the RESET
MMU command.
MEMORY SIZE - This register can be read to
determine the total memory size, and will
always
read
12H
(4608
bytes)
for
the
LAN91C94.
MEMORY SIZE
REGISTER
M
ACTUAL
MEMORY
LAN91C90
FFH
1
64 Kbytes
LAN91C90
40H
1
16 Kbytes
LAN91C92/4
12H
1
4608 bytes
LAN91C100
FFH
2
128 kbytes
相關(guān)PDF資料
PDF描述
92_TNC-50-0-4/111_NE BOARD TERMINATED, FEMALE, TNC CONNECTOR, SURFACE MOUNT, JACK
92_TNC-50-0-4/111_NM BOARD TERMINATED, FEMALE, TNC CONNECTOR, SURFACE MOUNT, JACK
92082-314 14 CONTACT(S), FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT
92082-316 16 CONTACT(S), FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT
92082-318 18 CONTACT(S), FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
91CCC3 制造商:Wirepro 功能描述:Connector Accessories Cap and Chain For Receptacle
91-CCC3 制造商:CDM ELECTRONIC FORMERLY WPI 功能描述:connector accessory,circular microphone,cap and chain for receptacle
91-CCC-3 制造商:Amphenol Corporation 功能描述: 制造商:TE Connectivity 功能描述:
91CR10 制造商:TT Electronics / BI Technologies 功能描述:Res Cermet Trimmer 10 Ohm 20% 1/2W 1(Elec)/1(Mech)Turn (9.53 X 9.78 X 7.11mm) Pin Thru-Hole Box
91CR100 功能描述:微調(diào)電阻 - 通孔 3/8inch 100 Thumbwheel RoHS:否 制造商:Vishay/Sfernice 產(chǎn)品:Trimmer Resistors - Multi Turn 產(chǎn)品類型:Multiturn 轉(zhuǎn)數(shù):14 錐度:Linear 電阻:10 kOhms 電壓額定值:250 V 端接類型:Pin 功率額定值:250 mW (1/4 W) 容差:10 % 溫度系數(shù):100 PPM / C
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