參數(shù)資料
型號(hào): KS9245
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Automated CD-ROM Controller(光盤(pán)驅(qū)動(dòng)器控制器器)
中文描述: 自動(dòng)CD - ROM控制器(光盤(pán)驅(qū)動(dòng)器控制器器)
文件頁(yè)數(shù): 67/102頁(yè)
文件大?。?/td> 419K
代理商: KS9245
SAMSUNG
Version: TM 2.4
KS9245 ATAPI Automated CD-ROM Controller
Preliminary Technical Manual
_____________________________________________________________
Do Not Copy or Release
8-1
Chapter 8
Enhancement Control Registers
Register 60h :
Ultra DMA Timing Register (Read)
Ultra DMA Timing Register (Write)
UDTR
BIT 5
BIT 4
Reserved
Acronym:
BIT 7
UDErr
BIT 6
BIT 3
BIT 2
BIT 1
Udmacyc
BIT 0
Bit 7 : UDErr ( Ultra DMA Error )
This status bit will be set when the CRC logic of the Ultra DMA engine detects an error while
transferring data.
Bit 6-3 : Reserved
These bits are reserved for the future enhancements.
Bit 2-0 : Udmacyc ( Ultra DMA Programming Cycle Time )
These bits defined the cycle timing for the Ultra DMA engine.
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