cs8904 Cirrus Logic, Inc., cs8904 Datasheet - Page 11

• Manufacturer Part Number: cs8904
• Description: Crystal Lan? Quad Ethernet Transceiver
• Manufacturer: Cirrus Logic, Inc.

DS191PP2
CS8904
Crystal LAN™ Quad Ethernet Transceiver
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 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
Parameter
Controller Compatibility
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
Table 2. Mode Operation Comparison
Table 1. Mode Selection Summary
Motorola
5 cycles
Mode 1
Rising
Rising
1 0 0
AMD
High
High
High
High
High
5 cycles
Mode 2
Falling
Falling
1 0 1
High
Intel
Low
Low
Low
Low
Selected
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode
Continuous
Mode 3
Fujitsu
Falling
Falling
1 1 0
High
High
High
Low
Low
MODE2
Pin
1
1
1
1
0
0
0
0
National
5 cycles
Mode 4
Rising
Rising
1 1 1
High
High
High
High
Low
TI
MODE1
Pin
0
0
1
1
1
0
0
1
Continuous
Mode 5
SEEQ
Rising
Rising
0 1 1
High
High
High
High
MODE0
Low
Pin
1
0
0
1
0
0
1
1
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