參數資料
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: 52/102頁
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
6-2
Register 34h :
Acronym:
BIT 7
Decoder Subheader 0 Register (Read)
DSUBH0
BIT 5
BIT 4
Decoder Subheader 0 Register
BIT 6
BIT 3
BIT 2
BIT 1
BIT 0
The
Decoder Subheader 0 Register
contains the first byte of the subheader, which is the File
Number byte. This register is valid only after a CD decoder interrupt occurs.
Register 35h :
Acronym:
BIT 7
Decoder Subheader 1 Register (Read)
DSUBH1
BIT 5
BIT 4
Decoder Subheader 1 Register
BIT 6
BIT 3
BIT 2
BIT 1
BIT 0
The
Decoder Subheader 1 Register
contains the second byte of the subheader, which is the
Channel Number byte.
Register 36h :
Acronym:
BIT 7
Decoder Subheader 2 Register (Read)
DSUBH2
BIT 5
BIT 4
Decoder Subheader 2 Register
BIT 6
BIT 3
BIT 2
BIT 1
BIT 0
The
Decoder Subheader 2 Register
contains the third byte of the subheader, which is the Submode
byte.
Register 37h :
Decoder Subheader 3 Register (Read)
Acronym:
DSUBH3
BIT 7
BIT 6
BIT 5
BIT 4
Decoder Subheader 3 Register
BIT 3
BIT 2
BIT 1
BIT 0
The
Decoder Subheader 3 Register
contains the fourth byte of the subheader, which is Coding
Information byte.
Register 38h :
Disk Transfer Block Address Register (Read)
Disk Transfer Block Address Register (Write)
DTBA
BIT 5
BIT 4
BIT 3
Disk Transfer Block Address Register
Acronym:
BIT 7
BIT 6
BIT 2
BIT 1
BIT 0
The
Disk Transfer Block Address Register
indicate the block address of the incoming DSP data
currently being buffered.
Register 39h :
Reserved
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