CS8904-CM5 データシートの表示（PDF） - Cirrus Logic
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CS8904-CM5 Datasheet PDF : 34 Pages
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CS8904
Crystal LAN™ Quad Ethernet Transceiver
Controller Compatibility
Advanced Micro Devices AM7990, Motorola 68EN360, or
compatible controllers
Intel 82586, Intel 82596, or compatible controllers
Fujitsu MB86950, Fujitsu MB86960, or compatible controllers
National Semiconductor 8390, Texas Instruments TMS380C26, or
compatible controllers
Seeq 8005 or compatible controller
Reserved; Operation Undefined
Reserved; Operation Undefined
Reserved; Operation Undefined
Mode
Selected
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Table 1. Mode Selection Summary
MODE2 MODE1 MODE0
Pin
Pin
Pin
1
0
0
1
0
1
1
1
0
1
1
1
0
1
1
0
1
0
0
0
1
0
0
0
Parameter
Mode Bits (MODE2, MODE1, MODE0)
Controller Compatibility
Edge of TxCLK where TxDATA is sampled
Polarity of Active TxENBL
Polarity of Active LOOP
Polarity of Active COLL
Edge of RxCLK where RxDATA is clocked.
Polarity of Active CD
Level of RxDATA when CD is deasserted
RxCLK after CD is deasserted
Mode 1
100
AMD
Motorola
Rising
High
High
High
Rising
High
High
5 cycles
Mode 2
101
Intel
Mode 3
110
Fujitsu
Falling
Low
Low
Low
Falling
Low
High
5 cycles
Falling
High
High
Low
Falling
High
Low
Continuous
Table 2. Mode Operation Comparison
Mode 4
111
National
TI
Rising
High
High
High
Rising
High
Low
5 cycles
Mode 5
011
SEEQ
Rising
High
High
High
Rising
High
Low
Continuous
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
DS191PP2
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