AM79C978 Advanced Micro Devices, AM79C978 Datasheet - Page 217

• Manufacturer Part Number: AM79C978
• Description: Single-Chip 1/10 Mbps PCI Home Networking Controller
• Manufacturer: Advanced Micro Devices

Am79C978 Programmable Registers (Continued)
RAP Addr
16
17
18
19
20
0
1
2
4
5
6
7
9
MSRDA
MSWRA
MC
LED0
LED1
LED2
LED3
FDC
IOBASEL
IOBASEU
BSBC
EECAS
SWSTYLE Software Style (DEFAULT = 0000, maps to CSR 58)
Register
Programs width of DMA read signal (DEFAULT = 5)
Programs width of DMA write signal (DEFAULT = 5)
Miscellaneous Configuration bits: (DEFAULT = 2)
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 = 0084)
8000
4000
2000
1000
Programs the function and width of the LED2 signal. (DEFAULT = 0088)
8000
4000
2000
1000
Programs the function and width of the LED3 signal. (DEFAULT = 0090)
8000
4000
2000
1000
Full-Duplex Control. (DEFAULT= 0000)
8000
4000
2000
1000
I/O Base Address Lower
I/O Base Address Upper
Burst Size and Bus Control (DEFAULT = 2101)
8000
4000
2000
1000
EEPROM Control and Status (DEFAULT = 0002)
8000
4000
2000
1000
LEDOUT
LEDPOL
LEDDIS
100E
LEDOUT
LEDPOL
LEDDIS
100E
LEDOUT
LEDPOL
LEDDIS
100E
LEDOUT
LEDPOL
LEDDIS
100E
--
--
--
--
PVALID
PREAD
EEDET
--
--
--
--
--
Table 94. Bus Configuration Registers
ROMTMG3
ROMTMG2
ROMTMG1
ROMTMG0
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
Am79C978
--
--
--
--
--
--
--
--
--
--
MPSE
FDLSE
APROMWE
--
--
--
--
--
MPSE
FDLSE
--
--
MPSE
FDLSE
--
--
MPSE
FDLSE
NOUFLO
MEMCMD
EXTREQ
--
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
--
--
--
PSE
LNKSE
RCVME
XMTE
PSE
LNKSE
RCVME
XMTE
PSE
LNKSE
RCVME
XMTE
PSE
LNKSE
RCVME
XMTE
--
--
--
--
--
--
--
EEN
INITLEVEL
DWIO
BREADE
BWRITE
--
0008
0004
0002
--
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
POWER
RCVE
SPEED
COLE
POWER
RCVE
SPEED
COLE
POWER
RCVE
SPEED
COLE
POWER
RCVE
SPEED
COLE
--
FDRPAD
--
FDEN
--
ECS
ESK
EDI/EDO
EADISEL
--
ASEL 0001
--
--
--
--
217