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結合以太網和SCSI控制器PCI系統(tǒng)
文件頁數(shù): 117/153頁
文件大?。?/td> 838K
代理商: AM79C974
AMD
P R E L I M I N A R Y
117
Am79C974
SCSI Controller
SCSI Register Map
Register
Acronym
CTCREG
STCREG
CTCREG
STCREG
FFREG
CMDREG
STATREG
SDIDREG
INSTREG
STIMREG
ISREG
STPREG
CFISREG
SOFREG1
CNTLREG1
CLKFREG
RES
CNTLREG2
CNTLREG3
CNTLREG4
CTCREG
STCREG
RES
Address (Hex.)
(B)+00
(B)+00
(B)+04
(B)+04
(B)+08
(B)+0C
(B)+10
(B)+10
(B)+14
(B)+14
(B)+18
(B)+18
(B)+1C
(B)+1C
(B)+20
(B)+24
(B)+28
(B)+2C
(B)+30
(B)+34
(B)+38
(B)+38
(B)+3C
Register Description
Current Transfer Count Register Low
Start Transfer Count Register Low
Current Transfer Count Register Middle
Start Transfer Count Register Middle
SCSI FIFO Register
SCSI Command Register
SCSI Status Register
SCSI Destination ID Register
Interrupt Status Register
SCSI Timeout Register
Internal State Register
Synchronous Transfer Period Register
Current FIFO/Internal State Register
Synchronous Offset Register
Control Register One
Clock Factor Register
Reserved
Control Register Two
Control Register Three
Control Register Four
Current Transfer Count Register High/Part-Unique ID Code
Start Current Transfer Count Register High
Reserved
Type
Read
Write
Read
Write
Read/Write
Read/Write
Read
Write
Read
Write
Read
Write
Read
Write
Read/Write
Write
Write
Read/Write
Read/Write
Read/Write
Read
Write
Write
DMA Register Map
Register
Acronym
CMD
STC
SPA
WBC
WAC
STATUS
SMDLA
WMAC
Address (Hex.)
(B)+40
(B)+44
(B)+48
(B)+4C
(B)+50
(B)+54
(B)+58
(B)+5C
Register Description
Command
Starting Transfer Count
Starting Physical Address
Working Byte Counter
Working Address Counter
Status Register
Starting Memory Descriptor List (MDL) Address
Working MDL Counter
Type
R/W
R/W
R/W
R
R
R
R/W
R
相關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
相關代理商/技術參數(shù)
參數(shù)描述
AM79C974KC 制造商:Advanced Micro Devices 功能描述:
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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