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AM79C961AKC Datasheet(PDF) 8 Page - Advanced Micro Devices

Part # AM79C961AKC
Description  PCnet ??ISA II Jumperless, Full Duplex Single-Chip Ethernet Controller for ISA
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C961AKC Datasheet(HTML) 8 Page - Advanced Micro Devices

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Am79C961A
PRELIMINARY
TMD2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
TMD3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Ethernet Controller Registers (Accessed via RDP Port) . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
REGISTER SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
ISACSR—ISA Bus Configuration Registers (Accessed via IDP Port). . . . . . . . . . . . . . . . . .118
SYSTEM APPLICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
ISA Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Compatibility Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Bus Master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Shared Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Optional Address PROM Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Boot PROM Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Static RAM Interface (for Shared Memory Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
AUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
EEPROM Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
10BASE-T Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
ABSOLUTE MAXIMUM RATINGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
OPERATING RANGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Commercial (C) Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
DC CHARACTERISTICS OVER COMMERCIAL OPERATING RANGES . . . . . . . . . . . . . . . . . . . . . . . .124
SWITCHING CHARACTERISTICS: BUS MASTER MODE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
SWITCHING CHARACTERISTICS: BUS MASTER MODE—FLASH READ CYCLE . . . . . . . . . . . . . . . . .130
SWITCHING CHARACTERISTICS: BUS MASTER MODE—FLASH WRITE CYCLE . . . . . . . . . . . . . . . .130
SWITCHING CHARACTERISTICS: SHARED MEMORY MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
SWITCHING CHARACTERISTICS: SHARED MEMORY MODE—FLASH READ CYCLE. . . . . . . . . . . . .134
SWITCHING CHARACTERISTICS: SHARED MEMORY MODE—FLASH WRITE CYCLE . . . . . . . . . . . .134
SWITCHING CHARACTERISTICS: EADI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
SWITCHING CHARACTERISTICS: JTAG (IEEE 1149.1) INTERFACE. . . . . . . . . . . . . . . . . . . . . . . . . . . .135
SWITCHING CHARACTERISTICS: GPSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
SWITCHING CHARACTERISTICS: AUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
SWITCHING CHARACTERISTICS: 10BASE-T INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
SWITCHING CHARACTERISTICS: SERIAL EEPROM INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
SWITCHING TEST CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
SWITCHING WAVEFORMS: BUS MASTER MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
SWITCHING WAVEFORMS: SHARED MEMORY MODE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
SWITCHING WAVEFORMS: GPSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
SWITCHING WAVEFORMS: EADI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
SWITCHING WAVEFORMS: JTAG (IEEE 1149.1) INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
SWITCHING WAVEFORMS: AUI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
SWITCHING WAVEFORMS: 10BASE-T INTERFACE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
PHYSICAL DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
PQB132 Plastic Quad Flat Pack Trimmed and Formed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
PQB132 Molded Carrier Ring Plastic Quad Flat Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
APPENDIX A: PCNET-II COMPATIBLE MEDIA INTERFACE MODULES. . . . . . . . . . . . . . . . . . . . . . . .172
PCnet-ISA II COMPATIBLE 10BASE-T FILTERS AND TRANSFORMERS . . . . . . . . . . . . . . . . . . . . . . . .172
PCnet-ISA II Compatible AUI Isolation Transformers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172
PCnet-ISA II Compatible DC/DC Converters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
MANUFACTURER CONTACT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
APPENDIX B: LAYOUT RECOMMENDATIONS FOR REDUCING NOISE. . . . . . . . . . . . . . . . . . . . . . . .174
DECOUPLING LOW-PASS R/C FILTER DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
Digital Decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
Analog Decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
AVSS1 and AVDD3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
AVSS2 and AVDD2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
AVSS2 and AVDD2/AVDD4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175
APPENDIX C: SAMPLE PLUG AND PLAY CONFIGURATION RECORD . . . . . . . . . . . . . . . . . . . . . . . .176
SAMPLE CONFIGURATION FILE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
APPENDIX D: ALTERNATIVE METHOD FOR INITIALIZATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178


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