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參數(shù)資料
| 型號： | LA9242M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Analog Signal Processor ASP for CD Players |
| 中文描述： | 模擬信號處理器的ASP CD播放機 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大小： | 150K |
| 代理商： | LA9242M |
LA9242M
No.7097–10/20
Microcontroller Command List
B
0
S
0
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B
0
S
0
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0
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d
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m
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N
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T
E
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E
R
0
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1
0
0
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1
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1
1
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1
1
1
1
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1
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1
1
1
T
A
A
A
E
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M
M
M
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A
M
M
M
F
F
T
O
O
O
O
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C
C
C
-
S
E
E
E
S
U
U
T
T
T
C
Y
Y
Y
C
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B
B
B
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F
2
2
2
F
1
D
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2
2
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D
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N
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C
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–
–
–
–
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;
F
F
F
1
1
1
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1
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1
M
C
8
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L
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N
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P
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–
0
0
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1
1
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1
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2
1
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–
1
0
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1
1
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0
1
F
F
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P
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–
0
1
0
1
1
0
0
1
N
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L
S
–
1
1
0
1
1
0
0
1
F
F
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D
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S
–
0
0
1
1
1
0
0
1
T
R
A
T
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C
N
A
L
A
B
F
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a
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N
–
1
0
1
1
1
0
0
1
F
F
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O
V
R
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S
-
K
C
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0
1
1
1
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–
Notes Concerning Microcontroller Program Creation
1. Commands
After sending the FOCUS START command and the E/F BALANCE START command, send 11111110 (FEH) in
order to clear the internal registers of the IC.
Reason : Although the above commands are executed at point
in the timing chart below, the same commands will
be executed again at point
if there is subsequent input to CE as shown below.
Timing
When sending the TRACK-OFFSET ADJUST START command or the FOCUS-OFFSET ADJUST START
command after either V
CC
ON (POWER ON RESET), RESET command, or a corresponding OFFSET ADJUST
OFF command, waiting time is necessary as listed below. (Only when a 4.2MHz clock is input.)
TRACK-OFFSET ADJUST START : 4ms or more
FOCUS-OFFSET ADJUST START : 4ms or more
2. E/F balance adjustment
E/F balance adjustments should be made in a bit region of the disc, not a mirrored region.
Since there is no track-kick for LA9242M, measures must be taken during EF balance adjustment to obtain a stable
TE signal. (By a sled movement signal from a microcontroller, for example.)
CE
CL
DAT
LSB
0
0
MSB
0
1
0
0
0
1
1
1
0
1
0
0
0
0
: “FOCUS START” command
: “E/F BALANCE START” command
2
μ
s or more
1
μ
s or more
1
μ
s or more
2
μ
s or more
10
μ
s or more
1
2
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