參數(shù)資料
型號(hào): M65824AFP
廠商: Mitsubishi Electric Corporation
元件分類: 數(shù)字信號(hào)處理
英文描述: CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC
中文描述: CD播放數(shù)字信號(hào)處理器,可在援
文件頁(yè)數(shù): 6/8頁(yè)
文件大?。?/td> 129K
代理商: M65824AFP
SIGNAL PROCESSOR FOR CD PLAYER WITH BUILT-IN D/A
M65824FP
MITSUBISHI SOUND PROCESSOR ICs
( 6
ELECTRIC
MITSUBISHI
Disk motor control
D7
0
0
1
1
D6
0
1
0
1
Function
Disk motor off
Accelerates the disk motor. Applies the maximum acceleration voltage to the motor.
Decelerates the disk motor. Applies the maximum deceleration voltage to the motor.
Disk motor CLV control
Audio functions
D5
0
0
1
1
D4
0
1
0
1
Function
Muting
Muting release
Reserved
12 dB attenuation
Status/interface command
D3
D2
Function
0
0
0
0
0
0
0
0
1
1
Detects reduced disk rotating speed. "L" when the disk
rotating speed is 2/3 or more of the normal speed.
PLL lock status. "L" at locked.
Subcode read status. "L" when new subcode is received
External D-A mode (In case of input after reset)
Logical value of EXP1 (pin )
33
D1
0
0
1
1
D0
0
1
0
1
0
1
Logical value of EXP2 (pin )
Reserved
Reserved
PLL loop open (= HFD: "H")
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
1
1
1
0
1
0
1
1
1
0
1
1
0
1
1
1
1
0
1
0
0
0
1
1
0
0
0
0
1
1
1
0
1
1
0
1
1
0
0
0
0
1
1
0
Data of subcode Q is stored in the internal 80-bit register and can
be read using a microcomputer.
Subcode ready status command is written to read subcode Q using
a microcomputer. (MSD DATA 0100xxxx)
(6) Detailed data
1
2
3
33
34
(7) Subcode Q register interface
When the subcode ready status is set to "L", a clock is sent with the
latch line (MLAB) kept set to "L" to read the data of subcode Q from
the internal register.
Read all subcode Q data from the rising edge of SBQS until the next
rising edge (for approximately 13.1 msec).
SBQS
MCK
MSD
MSD
MLAB
B1
B2
B3
B4
B5
B6
B7
B8
B9
BA
Don't care
t5
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Status
Q1
Q9 Q10 Q11
Q80
Q12~Q79
typ.13.1msec
t5: Mode setup time (min. 200 nsec)
SBQS is set to "L" when both the following two conditions are satisfied at the same time.
(a) CRC check OK
(b) When the two subcode syncs (S0, S1) are normal
A microcomputer can read information on subcode Q using the M65824FP only when SBQS is set to "L".
PLL loop close (= HFD: "L")
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