AM79C976 Advanced Micro Devices, AM79C976 Datasheet - Page 264

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AM79C976

Manufacturer Part Number
AM79C976
Description
PCnet-PRO 10/100 Mbps PCI Ethernet Controller
Manufacturer
Advanced Micro Devices
Datasheet
264
RAP Addr
18
19
20
22
25
2
4
5
6
7
9
MC
LED0
LED1
LED2
LED3
FDC
BSBC
EECAS
SWSTYLE
PCILAT
SRAM_SIZE SRAM Size (DEFAULT = 0000)
Register
Miscellaneous Configuration bits: (DEFAULT = 0)
8000
4000
2000
1000
Programs the function and width of the LED0 signal. (DEFAULT = 00C0)
8000
4000
2000
1000
Programs the function and width of the LED1 signal. (DEFAULT = 0094)
8000
4000
2000
1000
Programs the function and width of the LED2 signal. (DEFAULT = 1080)
8000
4000
2000
1000
Programs the function and width of the LED3 signal. (DEFAULT = 0081)
8000
4000
2000
1000
Full-Duplex Control. (DEFAULT= 0004)
8000
4000
2000
1000
Burst Size and Bus Control (DEFAULT = 9000)
8000
4000
2000
1000
EEPROM Control and Status (DEFAULT = 0000)
8000
4000
2000
1000
Software Style (DEFAULT = 0000, maps to CSR 58)
PCI Latency (DEFAULT = 1818)
bits [15:8] = MAX_LAT
bits [7:0] = MIN_GNT
LEDOUT
LEDPOL
LEDDIS
100E
LEDOUT
LEDPOL
LEDDIS
100E
LEDOUT
LEDPOL
LEDDIS
100E
LEDOUT
LEDPOL
LEDDIS
100E
--
--
--
--
PVALID
PREAD
EEDET
--
--
--
--
LEDPE
ROMTMG3
ROMTMG2
ROMTMG1
ROMTMG0
P R E L I M I N A R Y
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
0800
0400
0200
0100
Am79C976
--
--
--
--
--
--
--
--
--
APROMWE
--
--
MPSE
FDLSE
--
--
--
--
--
MPSE
FDLSE
--
--
MPSE
FDLSE
--
--
MPSE
FDLSE
NOUFLO
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
0080
0040
0020
0010
0080
0040
0020
0010
INTLEVEL
--
--
--
PSE
LNKSE
RCVME
XMTE
PSE
LNKSE
RCVME
XMTE
PSE
LNKSE
RCVME
XMTE
PSE
LNKSE
RCVME
XMTE
--
--
--
--
--
--
--
EEN
DWIO
--
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
0008
0004
0002
0001
--
--
--
--
--
RCVE
SFBDE
COLE
--
RCVE
SFBDE
COLE
--
RCVE
SFBDE
COLE
--
RCVE
SFBDE
COLE
--
FDRPAD
--
FDEN
--
ECS
ESK
EDI/EDO
--
--
--
--
8/01/00

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