AM79C971VCW Advanced Micro Devices, AM79C971VCW Datasheet - Page 196

• Manufacturer Part Number: AM79C971VCW
• Description: PCnet-FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
• Manufacturer: Advanced Micro Devices

REGISTER PROGRAMMING SUMMARY
Am79C971 Programmable Registers
Am79C971 Control and Status Registers
196
Register
CSR0
CSR1
CSR2
CSR3
CSR4
CSR5
CSR7
CSR8 - CSR11
CSR12 - CSR14 Physical Address Register
CSR15
CSR47
CSR49
Status and control bits: (DEFAULT = 0004)
8000 ERR
4000 BABL
2000 CERR
1000 MISS
Lower IADR (Maps to CSR 16)
Upper IADR (Maps to CSR 17)
Interrupt masks and Deferral Control: (DEFAULT = 0)
8000--
4000
2000
1000
Interrupt masks, configuration and status bits: (DEFAULT = 0115)
8000
4000
2000
1000
Extended Interrupt masks, configuration and status bits: (DEFAULT = 0XXX)
8000TOKINTD
4000LTINTEN
2000--
1000--
Extended Interrupt masks, configuration and status bits: (DEFAULT = 0000)
8000
4000
2000
1000
Logical Address Filter
MODE: (DEFAULT = 0)
bits [8:7] = PORTSEL, Port Selection
0000AUI port
008010BASE-T
0101Media Independent Interface
8000PROM
4000DRCVBC
2000DRCVPA
1000DLNKTST
TXPOLLINT: Transmit Polling Interval
RXPOLLINT: Receive Polling Interval
EN124
DMAPLUS
TIMER
FASTSPND
RXFRMTG
RDMD
BABLM
-
TXDPOLL
RXDPOLL
MISSM
0800
0400
0200
0100I
0800
0400
0200
0100I
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
MERR
RINT
TINT
MERRM
RINTM
TINTM
APAD_XMT
ASTRP_RCV
MFCO
SINT
SINTE
SLPINT
STINT
STINTE
MREINT
IDON
DONM
MFCOM
SLPINTE
MREINTE
Am79C971
PORTSEL1
DAPC
MENDECL
LRT/TSEL
Contents
0080
0040
0020
0010
0080-
0040
0020
0010
0080
0040
0020
0010
0080
0040
0020
0010
0080
0040
0020
0010
0080
0040
0020
0010
LAPPEN
MPPLBA
-
DXSUFLO
UNITCMD
UNIT
RCVCCO
EXDINT
EXDINTE
MAPINT
MAPINTE
MCCINT
RCVCCOM
INTR
RXON
MPINT
MCCINTE
DXMT2PD
IENA
TXON
POTSEL0
INTL
DRTY
FCOLL
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
EMBA
--
MPINTE
MPEN
MPMODE
MCCIINT
MCCIINTE
MIIPDTINT
BSWP
--
TXSTRT
TXSTRTM
JAB
SPND
MIIPDTNTE
JABM
TDMD
STOP
STRT
INIT
DXMTFCS
LOOP
DTX
DRX