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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(光盤驅動器控制器器) |
| 中文描述： | 自動CD - ROM控制器（光盤驅動器控制器器） |
| 文件頁數(shù)： | 39/102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
4-1
Chapter 4
Microprocessor Interface Registers
Register 10h:
Host Interrupt Status Register (Read)
Host Interrupt Clear Register (Write)
HISR/HICR
BIT 5
BIT 4
Reserved
Asrst
Srst
Acronym:
BIT 7
TxfrDone
BIT 6
BIT 3
Hrst
BIT 2
ScmdRcv
BIT 1
AcmdRcv
BIT 0
PcmdRcv
This register informs firmware of various interrupts which are reported by the KS9245. Writing a
“1” to any bit clears that respective interrupt. Writing a “0” to any bit causes no change for that
respective interrupt.
Bit 7: TxfrDone (Total Host Request Transfer Done)
This bit is set when one of the following events occur:
Bit 6: Reserved
This bit is reserved for future enhancements.
Data Area Transfer Completed.
System Area Transfer Completed.
Bit 5: Asrst (ATAPI Soft Reset Command (08h) received)
This bit is set when the host writes the ATAPI Soft Reset Command (08h) into
ATAPI Command
Register
(07h) while the drive is selected.
Bit 4: Srst (ATA SRST Reset)
This bit is set when the
SRST
bit in the
Device Control Register
(08h, bit 2) is set by the host.
Bit 3: Hrst (Host Reset)
This bit is set when the
HRSTB
pin is asserted.
Bit 2: ScmdRcv (Shadow Command received)
This bit is set when the host writes a command byte into the
ATAPI Command Register
(07h) of
the non-existent slave drive.
Bit 1: AcmdRcv (ATA Command received)
This
bit is set when the host writes a command in the
ATAPI Command Register
(07h) while the
drive selected.
Bit 0: PcmdRcv (ATAPI Packet Command received)
This bit is set when the host writes the Packet Command (A0h) into the
ATAPI Command Register
(07h) while the drive selected.
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相關代理商/技術參數(shù) |
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|---|---|
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| 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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