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AM79C976 Datasheet(PDF) 262 Page - Advanced Micro Devices

Part # AM79C976
Description  PCnet-PRO??10/100 Mbps PCI Ethernet Controller
PDF  309 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C976 Datasheet(HTML) 262 Page - Advanced Micro Devices

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262
Am79C976
8/01/00
P R E L I M INARY
REGISTER PROGRAMMING SUMMARY
Programmable Registers
7DEOH &RQWURODQG 6WDWXV 5HJLVWHUV
Register
Contents
CSR0
Status and control bits: (DEFAULT = 0004)
8000
--
4000
--
2000
--
1000
--
0800
--
0400
RINT
0200
TINT
0100
IDON
0080
INTR
0040
IENA
0020
RXON
0010
TXON
0008
TDMD
0004
STOP
0002
STRT
0001
INIT
CSR1
Lower IADR
CSR2
Upper IADR
CSR3
Interrupt masks and Deferral Control: (DEFAULT = 0600)
8000
--
4000
--
2000
--
1000
--
0800
0400
RINTM
0200
TINTM
0100
IDONM
0080
--
0040
0020
LAPPEN
0010
DXMT2PD
0008
EMBA
0004
BSWP
0002
--
0001
--
CSR4
Interrupt masks, configuration and status bits: (DEFAULT = 0004)
8000
--
4000
--
2000
--
1000
TXDPOLL
0800
APAD_XMT
0400
ASTRP_RCV
0200
0100
0080
UINTCMD
0040
UINT
0020
0010
0008
TXSTRT
0004
TXSTRTM
0002
--
0001
--
CSR5
Extended Interrupt masks, configuration and status bits: (DEFAULT = 0XXX)
8000
4000
LTINTEN
2000
TXDNINT
1000
TXDNINTEN
0800
SINT
0400
SINTE
0200
--
0100
--
0080
0040
0020
MPPLBA
0010
MPINT
0008
MPINTE
0004
MPEN
0002
MPMODE
0001
SPND
CSR7
Extended Interrupt masks, configuration and status bits: (DEFAULT = 0000)
8000
FASTSPNDE
4000
2000
RDMD
1000
CHDPOLL
0800
STINT
0400
STINTE
0200
MREINT
0100
MREINTE
0080
MAPINT
0040
MAPINTE
0020
MCCINT
0010
MCCINTE
0008
MCCIINT
0004
MCCIINTE
0002
MIIPDTINT
0001
MIIPDTNTE
CSR8 - CSR11 Logical Address Filter
CSR12 -
CSR14
Physical Address Register
CSR15
MODE: (DEFAULT = 0)
8000
PROM
4000
DRCVBC
2000
DRCVPA
1000
--
0800
--
0400
--
0200
--
0100
--
0080
--
0040
0020
DRTY
0010
FCOLL
0008
DXMTFCS
0004
LOOP
0002
DTX
0001
DRX
CSR47
TXPOLLINT: Transmit Polling Interval
CSR49
RXPOLLINT: Chain Polling Interval
CSR58
Software Style (mapped to BCR20)
bits [7:0] = SWSTYLE, Software Style Register.



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