Bripeater Controller. AX88875AP Datasheet

AX88875AP Controller. Datasheet pdf. Equivalent

Part AX88875AP
Description 10/100BASE 5-Port Dual Speed Bripeater Controller
Feature www.DataSheet4U.com ASIX AX88875AP 10/100BASE Dual Speed Bripeater Controller ASIX AX88875AP 10/1.
Manufacture ASIX Electronics Corporation
Datasheet
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AX88875AP
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ASIX AX88875AP
10/100BASE Dual Speed Bripeater Controller
ASIX AX88875AP
10/100BASE 5-Port
Dual Speed “Bripeater” Controller
Data Sheets (10/16/’00)
Always contact ASIX for possible updates
before starting a design.
DOCUMENT NO. : AX875A-06.DOC
This data sheets contain new products information. ASIX ELECTRONICS reserves the rights to modify the products
specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent
accompany the sale of the product.
ASIX ELECTRONICS CORPORATION
2F, NO.13, Industry East Rd. II, Science-based Industrial Park, Hsin-Chu City, Taiwan, R.O.C.
TEL: 886-3-579-9500
FAX: 886-3-579-9558
http://www.asix.com.tw
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AX88875AP
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AX88875AP Bripeater
CONTENTS
1.0 AX88875A OVERVIEW..................................................................................................................................... 3
1.1 GENERAL DESCRIPTION...................................................................................................................................... 3
1.2 FEATURES.......................................................................................................................................................... 4
1.3 BLOCK DIAGRAM ............................................................................................................................................... 5
1.4 PIN CONNECTION DIAGRAM (MODE 0)................................................................................................................ 6
1.5 PIN CONNECTION DIAGRAM (MODE 1)................................................................................................................ 7
2.0 PIN DESCRIPTION ........................................................................................................................................... 8
2.1 MII INTERFACES ................................................................................................................................................ 8
2.2 LED DISPLAY.................................................................................................................................................... 9
2.3 BUFFER MEMORY PINS GROUP ........................................................................................................................... 10
2.4 MISCELLANEOUS.............................................................................................................................................. 11
2.5 POWER ON CONFIGURATION SETUP SIGNALS CROSS REFERENCE TABLE ................................................................ 12
3.0 FUNCTIONAL DESCRIPTION ..................................................................................................................... 13
3.1 REPEATER STATE MACHINE.............................................................................................................................. 13
3.2 RXE /TXE CONTROL ................................................................................................................................... 13
3.3 JABBER STATE MACHINE.................................................................................................................................. 14
3.4 PARTITION STATE MACHINE............................................................................................................................. 14
3.5 LED DISPLAY INTERFACE ................................................................................................................................ 14
4.0 INTERNAL REGISTERS ................................................................................................................................ 16
4.1 CONFIGURATION REGISTER (CONFIG)............................................................................................................. 16
5.0 ELECTRICAL SPECIFICATION AND TIMING.......................................................................................... 17
5.1 ABSOLUTE MAXIMUM RATINGS ........................................................................................................................ 17
5.2 GENERAL OPERATION CONDITIONS................................................................................................................... 17
5.3 DC CHARACTERISTICS..................................................................................................................................... 17
5.4 AC SPECIFICATIONS ......................................................................................................................................... 18
5.4.1 MII Interface Timing Tx & Rx .................................................................................................................. 18
5.4.2 SRAM read cycle and write cycle ............................................................................................................. 19
5.4.3 LED DISPLAY ......................................................................................................................................... 20
5.4.4 LED Display After Reset .......................................................................................................................... 20
6.0 PACKAGE INFORMATION........................................................................................................................... 21
APPENDIX A: APPLICATIONS.......................................................................................................................... 22
A.1 STAND-ALONG 5-PORTS 10/100MBPS HUB APPLICATION ................................................................................. 22
A.2 STAND-ALONG 4-PORTS 10/100MBPS HUB WITH ONE MAC APPLICATION ........................................................ 22
APPENDIX B: USING MII I/F CONNECTS TO MAC ...................................................................................... 23
FIGURES
FIG - 1 CHIP BLOCK DIAGRAM ..................................................................................................................................... 5
FIG - 2 PIN CONNECTION DIAGRAM (MODE 0) .............................................................................................................. 6
FIG - 3 PIN CONNECTION DIAGRAM (MODE 1) .............................................................................................................. 7
FIG - 4 APPLICATION FOR LED DISPLAY ..................................................................................................................... 15
FIG - 5 STAND-ALONG 5-PORTS 10/100MBPS HUB APPLICATION ................................................................................ 22
FIG - 6 STAND-ALONG 4-PORTS 10/100MBPS HUB WITH ONE MAC APPLICATION ....................................................... 22
2 ASIX ELECTRONICS CORPORATION
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