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LC89515K Datasheet(PDF) 5 Page - Sanyo Semicon Device

Part No. LC89515K
Description  CD-ROM/CD-I Error Correction/ Host Interface LSI
Download  6 Pages
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Maker  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
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LC89515K Datasheet(HTML) 5 Page - Sanyo Semicon Device

   
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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
A3
A2
A1
A0
0000
R0
SBOUT
msb
lsb
0001
R1
IFCTRL
CMDIEN
DTEIEN
DECIEN
CMDBK
DTWAI
STWAI
DOUTEN
SOUTEN
0010
R2
DBCL
B7
B6
B5
B4
B3
B2
B1
B0
0011
R3
DBCH
B11
B10
B9
B8
0100
R4
DACL
A7
A6
A5
A4
A3
A2
A1
A0
0101
R5
DACH
A15
A14
A13
A12
A11
A10
A9
A8
0110
R6
DTTRG
1
0111
R7
DTACK
1000
R8
WAL
A7
A6
A5
A4
A3
A2
A1
A0
1001
R9
WAH
A15
A14
A13
A12
A11
A10
A9
A8
1010
R10
CTRL0
DECEN
E01RQ
AUTORQ
ERAMRQ
WRRQ
QRQ
PRQ
1011
R11
CTRL1
SYIEN
SYDEN
DSCREN
COWREN
MODRQ
FORMRQ
MBCKRQ
SHDREN
1100
R12
PTL
A7
A6
A5
A4
A3
A2
A1
A0
1101
R13
PTH
A15
A14
A13
A12
A11
A10
A9
A8
1110
R14
CTRL2
0
0
0
BCKSL
DLAEN
0
STENCTL
STENTRG
1111
R15
RESET


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