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SMSC LAN91C96 5v&3v
DATASHEET
Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet
Datasheet
Table of Contents
CHAPTER 1 GENERAL DESCRIPTION ..................................................................... 7
Power Down Logic States...............................................................................................................................32
LAN91C96 Power Down States .....................................................................................................................33
CHAPTER 6 FRAME FORMAT IN BUFFER MEMORY FOR ETHERNET ............... 38
CHAPTER 7 REGISTERS MAP IN I/O SPACE ......................................................... 42
7.1
7.2
I/O Space Access .............................................................................................................................................42
I/O Space Registers Description ....................................................................................................................42
CHAPTER 8 THEORY OF OPERATION ................................................................... 65
8.1
8.2
8.3
Typical Flow of Events for Transmit (Auto Release = 0) ............................................................................67
Typical Flow of Events for Transmit (Auto Release = 1) ............................................................................68
Flow of Events for Receive .............................................................................................................................69
CHAPTER 9 FUNCTIONAL DESCRIPTION OF THE BLOCKS................................ 79
SMSC LAN91C96 5v&3v
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Revision 1.0 (10-24-08)
DATASHEET
Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet
Datasheet
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
9.10
9.11
9.12
Memory Management Unit ............................................................................................................................79
Bus Interface ...................................................................................................................................................80
Wait State Policy .............................................................................................................................................80
Packet Number FIFOS ...................................................................................................................................82
Jabber Function ......................................................................................................................................87
Reverse Polarity Function ......................................................................................................................87
9.14.5
Collision Detection Function .................................................................................................................88
9.14.6
Link Integrity .........................................................................................................................................88
CHAPTER 10
10.1
10.2
10.3
BOARD SETUP INFORMATION ........................................................ 89
Bus Clock Considerations...........................................................................................................................90
68000 Bus Interface.....................................................................................................................................90
Figure 12.4 – Local Bus Consecutive Write Cycles....................................................................................................102
Figure 12.6 – Local Bus Consecutive Read and Write Cycles ...................................................................................104
Figure 12.7 – Data Register Special Read Access ....................................................................................................105
Figure 12.8 – Data Register Special Write Access.....................................................................................................106
在全球半导体产业因景气不佳而纷传并购、整合之际,两大IT巨头三星、IBM日前却双双宣布,将强化半导体产业投资。 三星电子本周一宣布,已向韩国证券交易所提交一份申请文件,打算2008年投下10.5亿美元,用于升级内存芯片生产线、改进技术工艺,从而提高产能并降低成本。无独有偶。本周二IBM公司宣布,未来3年将投资10亿美元,用于扩充位于纽约州 East Fishkill 的半导体工厂,以消...[详细]