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參數(shù)資料
| 型號： | KS9245 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Automated CD-ROM Controller(光盤驅(qū)動器控制器器) |
| 中文描述： | 自動CD - ROM控制器（光盤驅(qū)動器控制器器） |
| 文件頁數(shù)： | 31/102頁 |
| 文件大小： | 419K |
| 代理商： | KS9245 |
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SAMSUNG
Version: TM 2.4
KS9245 ATAPI Automated CD-ROM Controller
Preliminary Technical Manual
_____________________________________________________________
Do Not Copy or Release
2-5
Bit 3-0: Reserved for SAM LUN
These bits are reserved for future enhancements.
Register 07:
ATAPI Command Register (Read)
ATA Command Register (Read)
ACMD
BIT 5
BIT 4
ATAPI Command Register
Acronym:
BIT 7
BIT 6
BIT 3
BIT 2
BIT 1
BIT 0
The
ATAPI Command Register
contains the Command Operation Code.
Register 08h:
ATAPI Device Control Register (Read)
ATA Device Control Register (Read)
ADCV
BIT 5
BIT 4
Reserved
Acronym:
BIT 7
BIT 6
BIT 3
BIT 2
SRST
BIT 1
nIEN
BIT 0
Rsvd
The
ATAPI Device Control Register
contains the information for ATA soft reset and host interrupt
control.
Bit 7-3: Reserved
These bits are reserved for future enhancements.
Bit 2: SRST (ATA Soft Reset)
When the host writes a one to
SRST
bit of the
ATA Device Control Register
, an ATA soft reset is
performed.
Bit 1: nIEN (Host Interrupt Enable)
When the host writes a “0” to the
nIEN
bit and the KS9245 selected, the INTRQ signal is enabled.
When the host writes a “1” to this bit or the KS9245 is not selected, the INTRQ signal is tri-stated.
Bit 0: Reserved
This bit is reserved for future enhancements.
Register 09h:
ATAPI Image Status Register (Read)
ATA Image Status Register (Read)
AISTAT
BIT 5
BIT 4
Rsvd
DSC /
SERVICE
Acronym:
BIT 7
BSY
BIT 6
DRDY
BIT 3
DRQ
BIT 2
Corr
BIT 1
Rsvd
BIT 0
CHECK
This register contains an image of the
ATAPI Status Register
. By reading this register, the
firmware can obtain the real-time value of the
ATAPI Status Register
in the ATA Task File.
Bit 7: BSY (Busy)
When this bit is set, the KS9245 is busy or in the state of accessing ATA Task File Registers.
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|---|---|
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KS9246 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:ATAPI AUTOMATED CD-ROM CONTROLLER WITH EMBEDDED DRAM |
| KS926S2 | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:LOW LOSS SUPER HIGH SPEED RECTIFIER |
| KS926S2_07 | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:LOW LOSS SUPER HIGH SPEED RECTIFIER |
| KS9282B | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:CMOS INTEGRATED CIRCUIT |
| KS9286 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DIGITAL SIGNAL PROCESSOR for CDP |
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