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參數(shù)資料
| 型號： | LC89515K |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CD-ROM/CD-I Error Correction/ Host Interface LSI |
| 中文描述： | CD-ROM/CD-I糾錯/主機接口LSI |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 57K |
| 代理商： | LC89515K |
Write
Note: The values of the shaded bits are ignored.
6. Additional Registers
Write
[R14] CTRL2: Control 2
STENCTL (STEN control)
0.........The external STEN pin goes to 0 when the microprocessor writes one byte of status information. (This is
identical to LC8951 operation.)
1.........The external STEN pin goes to 0 due to 0 being written to the STENTRG register when the
microprocessor writes * bytes of status information.
This bit is set to 0 on reset.
STENTRG (STEN trigger)
This bit is only valid when STENCTL is 1.
The external STEN pin goes to 0 when a 0 is written to this bit.
This bit is reset when the host reads the last byte, i.e., when the external STEN pin has become 1.
DLAEN (drive last address enable)
When WRRQ is set to 0 during buffering, buffering continues until the next SYNC signal arrives and then stops.
This results in the sectors that are buffered when WRRQ was set to 0 becoming valid. (This bit is set to 0 on
reset.)
BCKSL (bit clock select)
Setting this bit to 1 allows the bit clock from the CD-DSP to be inverted. (SDATA is acquired on the rising edge
of BCK.) (This bit is set to 0 on reset.)
No. 4272-5/6
LC89515K
RS
AR
No.
Symbol
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
0
—
—
AR
A
3
—
A
2
—
A
1
—
A
0
lsb
0000
R0
SBOUT
msb
—
—
—
0001
R1
IFCTRL
CMDIEN
DTEIEN
DECIEN
CMDBK
DTWAI
STWAI
DOUTEN
SOUTEN
0010
R2
DBCL
B
7
B
6
B
5
B
4
B
3
B
11
A
3
A
11
B
2
B
10
A
2
A
10
B
1
B
9
A
1
A
9
B
0
B
8
A
0
A
8
0011
R3
DBCH
0100
R4
DACL
A
7
A
15
A
6
A
14
A
5
A
13
A
4
A
12
0101
R5
DACH
0110
R6
DTTRG
1
0111
R7
DTACK
1000
R8
WAL
A
7
A
15
A
6
A
14
A
5
A
13
A
4
A
12
A
3
A
11
A
2
A
10
WRRQ
A
1
A
9
QRQ
A
0
A
8
PRQ
1001
R9
WAH
1010
R10
CTRL0
DECEN
E01RQ
AUTORQ
ERAMRQ
1011
R11
CTRL1
SYIEN
SYDEN
DSCREN
COWREN
MODRQ
FORMRQ
MBCKRQ
SHDREN
1100
R12
PTL
A
7
A
15
0
A
6
A
14
0
A
5
A
13
0
A
4
A
12
A
3
A
11
A
2
A
10
0
A
1
A
9
A
0
A
8
1101
R13
PTH
1110
R14
CTRL2
BCKSL
DLAEN
STENCTL
STENTRG
1111
R15
RESET
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