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參數(shù)資料
| 型號(hào)： | AM79C978 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Single-Chip 1/10 Mbps PCI Home Networking Controller |
| 中文描述： | 單芯片的1 / 10 Mbps的家庭網(wǎng)絡(luò)控制器的PCI |
| 文件頁(yè)數(shù)： | 172/261頁(yè) |
| 文件大?。?/td> | 3803K |
| 代理商： | AM79C978 |
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172
Am79C978
BCR36: PCI Power Management Capabilities (PMC)
Alias Register
Note:
This register is an alias of the PMC register
located at offset 42h of the PCI Configuration Space.
Since PMC register is read only, BCR36 provides a
means of programming it through the EEPROM. The
contents of this register are copied into the PMC regis-
ter. For the definition of the bits in this register, refer to
the PMC register definition. Bits 15-0 in this register are
programmable through the EEPROM. Read accessible
always. Read only. Cleared by H_RESET and is not af-
fected by S_RESET or setting the STOP bit.
BCR37: PCI DATA Register 0 (DATA0) Alias
Register
Note:
This register is an alias of the DATA register and
also of the DATA_SCALE field of the PMCSR register.
Since these two are read only, BCR37 provides a
means of programming them indirectly. The contents of
this register are copied into the corresponding fields
pointed with the DATA_SEL field set to zero. Bits 15-0
in this register are programmable through the EE-
PROM.
Bit
Name
Description
15-10 RES
Reserved locations. Written as
zeros and read as undefined.
9-8
D0_SCALE
These bits correspond to the
DATA_SCALE
PMCSR (offset Register 44 of the
PCI configuration space, bits 14-
13). Refer to the description of
DATA_SCALE for the meaning of
this field.
field
of
the
Read
D0_SCALE is read only. Cleared
by H_RESET and is not affected
by S_RESET or setting the STOP
bit.
accessible
always.
7-0
DATA0
These bits correspond to the PCI
DATA register (offset Register 47
of the PCI configuration space,
bits 7-0). Refer to the description
of DATA register for the meaning
of this field.
This bit is always read accessi-
ble. DATA0 is read only. Cleared
by H_RESET and is not affected
by S_RESET or setting the STOP
bit.
BCR38: PCI DATA Register 1 (DATA1) Alias
Register
Note:
This register is an alias of the DATA register and
also of the DATA_SCALE field of the PMCSR register.
Since these two are read only, BCR38 provides a
means of programming them through the EEPROM.
The contents of this register are copied into the corre-
sponding fields pointed with the DATA_SEL field set to
one. Bits 15-0 in this register are programmable
through the EEPROM.
Bit
Name
Description
15-10 RES
Reserved locations. Written as
zeros and read as undefined.
9-8
D1_SCALE
These bits correspond to the
DATA_SCALE field of the PMC-
SR (offset Register 44 of the PCI
configuration space, bits 14-13).
Refer to the description of
DATA_SCALE for the meaning of
this field.
These bits are always read ac-
cessible. D1_SCALE is read only.
Cleared by H_RESET and is not
affected by S_RESET or setting
the STOP bit.
7-0
DATA1
These bits correspond to the PCI
DATA register (offset Register 47
of the PCI configuration space,
bits 7-0). Refer to the description
of DATA register for the meaning
of this field.
These bits are always read ac-
cessible. DATA1 is read only.
Cleared by H_RESET and is not
affected by S_RESET or setting
the STOP bit.
BCR39: PCI DATA Register 2 (DATA2) Alias
Register
Note:
This register is an alias of the DATA register and
also of the DATA_SCALE field of the PMCSR register.
Since these two are read only, BCR39 provides a
means of programming them through the EEPROM.
The contents of this register are copied into the corre-
sponding fields pointed with the DATA_SEL field set to
two. Bits 15-0 in this register are programmable
through the EEPROM.
Bit
Name
Description
15-10 RES
Reserved locations. Written as
zeros and read as undefined.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C981 | Integrated Multiport Repeater Plus⑩ (IMR+⑩) |
| AM79C981JC | Integrated Multiport Repeater Plus⑩ (IMR+⑩) |
| AM79C982 | basic Integrated Multiport Repeater (bIMR) |
| AM79C982-4JC | basic Integrated Multiport Repeater (bIMR) |
| AM79C982-8JC | basic Integrated Multiport Repeater (bIMR) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C978A | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Single-Chip 1/10 Mbps PCI Home Networking Controller |
| AM79C978AKC\\W | 制造商:Advanced Micro Devices 功能描述: |
| AM79C978AKC\W | 制造商:Advanced Micro Devices 功能描述: |
| AM79C978AKCW | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Single-Chip 1/10 Mbps PCI Home Networking Controller |
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