參數(shù)資料
型號： AM79C974
廠商： Advanced Micro Devices, Inc.
英文描述： PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
中文描述： PCnetTM -的SCSI結(jié)合以太網(wǎng)和SCSI控制器PCI系統(tǒng)
文件頁數(shù)： 116/153頁
文件大?。?/td> 838K
代理商： AM79C974
AMD
P R E L I M I N A R Y
116
Am79C974
Control and Status Registers (continued)
Default Value
After
H_RESET
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu 0000
uuuu uuuu
uuuu 0000
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
see reg. desc.
uuuu uuuu
see reg. desc.
uuuu uuuu
uuuu uuuu
uuuu uuuu
RAP Addr
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
Symbol
CSR108
CSR109
CSR110
CSR111
CSR112
CSR113
CSR114
CSR115
CSR116
CSR117
CSR118
CSR119
CSR120
CSR121
CSR122
CSR123
CSR124
CSR125
CSR126
CSR127
Comments
Use
T
T
T
T
R
T
R
T
T
T
T
T
T
T
S
T
T
T
T
T
Reserved
Reserved
Reserved
Reserved
MFC: Missed Frame Count
Reserved
RCC: Receive Collision Count
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Receive Frame Alignment Control
Reserved
Test Register 1
Reserved
Reserved
Reserved
BCR—Bus Configuration Registers
Writes to those registers marked as “Reserved” will have no effect. Reads from these locations will produce undefined
values.
BCR
0
1
2
3
4
5
6
7
8–15
16
17
18
19
20
21
MNEMONIC
MSRDA
MSWRA
MC
Reserved
LNKST
LED1
LED2
LED3
Reserved
IOBASEL
IOBASEU
BSBC
EECAS
SWS
INTCON
Default
0005h
0005h
N/A*
N/A
00C0h
0084h
0088h
0090h
N/A
N/A*
N/A*
2101h
0002h
0000h
N/A*
Description
Reserved
Reserved
Miscellaneous Configuration
Reserved
Link Status (Default)
Receive Status (Default)
Reserved
Transmit Status (Default)
Reserved
Reserved
Reserved
Burst Size and Bus Control
EEPROM Control and Status
Software Style
Reserved
User
No
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
EEPROM
No
No
Yes
No
No
No
No
No
No
Yes
Yes
Yes
No
No
Yes
Programmability
* Registers marked with an “*” have no default value, since they are not observable without first being programmed through the
EEPROM read operation. Therefore, the only observable values for these registers are those that have been programmed and
a default value is not applicable.
相關(guān)PDF資料
PDF描述
AM79C974KCW PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
AM79C975 PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C973 PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C973KCW PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
AM79C975KCW PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM79C974KC 制造商:Advanced Micro Devices 功能描述:
AM79C974KC/W 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Node Controller
AM79C974KCW 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
AM79C975 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet⑩-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
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