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參數(shù)資料
| 型號(hào)： | SMC91C100 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | FEAST Fast Ethernet Controller |
| 中文描述： | 宴快速以太網(wǎng)控制器 |
| 文件頁(yè)數(shù)： | 17/83頁(yè) |
| 文件大小： | 437K |
| 代理商： | SMC91C100 |
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RESERVED
BYTE COUNT
STATUS WORD
LAST DATA BYTE (if odd)
bit0
bit15
RAM
OFFSET
(Decimal)
0
2
4
2046 Max
CONTROL BYTE
DATA AREA
17
FIGURE 4 - DATA PACKET FORMAT
DATA STRUCTURES AND REGISTERS
PACKET FORMAT IN BUFFER MEMORY
The packet format in memory is similar for 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 it is
followed by the data area. The data area holds the
packet itself.
TRANSMIT PACKET
Written by CSMA upon transmit
completion (see Status Register)
RECEIVE PACKET
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
STATUS WORD
BYTE COUNT
DATA AREA
CONTROL BYTE
Written by CPU
Written/modified by CPU
Written by CPU to control
odd/even data bytes
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SMD-3500 | TRIPLE BALANCED MIXER |
| SMD0805P020TS | SMD Type, 6 V / 9 V / 15V |
| SMD0805 | SMD Type, 6 V / 9 V / 15V |
| SMD0805P010TF | SMD Type, 6 V / 9 V / 15V |
| SMD0805P010TS | SMD Type, 6 V / 9 V / 15V |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMC91C100QFP | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMC 功能描述: 制造商:SMSC 功能描述: |
| SMC91C95 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ISA/PCMCIA Full Duplex Single-Chip Ethernet and Modem Controller with RAM |
| SM-C-920871 | 制造商:ITT Interconnect Solutions 功能描述:DM53744-25 IAW SM-C-920871 CONTACT,ELECTRICAL SOCKET - Bulk |
| SMC9-65608EV-30SB | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Rad. Tolerant 128K x 8 Very Low Power 5V CMOS SRAM |
| SMC9-65608EV-45SB | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Rad. Tolerant 128K x 8 Very Low Power 5V CMOS SRAM |
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