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PDF M65824AFP Data sheet ( Hoja de datos )
| Número de pieza | M65824AFP | |
| Descripción | CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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Specifications
MITSUBISHI SOUND PROCESSOR ICs
M65824AFP
CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC
DESCRIPTION
The M65824AFP is a CMOS IC developed for compact disc players.
(suitable for CD-DA:Compact Disc-Digital Audio)
It has built-in memory,adjustment-free PLL and D/A converter with DSP function.
FEATURES
♦Adjustment free EFM-PLL circuit(Includes VCO)
♦±8 frames jitter margin
♦Digital CLV servo control
♦Attenuation(-12dB)
♦4 times over sampling IIR type digital filter
♦Digital de-emphasis function
♦D/A converter
♦A smaller package
♦Analog LPF
♦Digital audio interface
♦External D/A mode
RECOMMENDED OPERATING CONDITIONS
Supply voltage range(interface)·············································································DVDD=2.7 to 5.5V
Supply voltage range(internal logic system and analog)······················DSPS,AVDD=2.7 to 3.3V
Rated supply voltage(interface)························································································DVDD=5.0V
Rated supply voltage(internal logic sys tem and analog)·································DSPS,AVDD=3.0V
Rated power dissipation···········································································································100mW
SYSTEM BLOCK DIAGRAM
M
Motor
Driver
Optical
Pick-up
RF-Amp
Pick-up
Servo
Auto
Adjustment
M65824AFP
Subcode
Interface
PLL
Slicer
EFM
De-modulator
PLL CLK OSC CLK
CLV
Digital Servo
MCU I/F
18kSRAM
ECC
C1:2error
C2:2error
Inter
polation
De-
EMP
4fs Digital
Filter
D/A
System Control Microprocessor
Display
L
R
MITSUBISHI
ELECTRIC
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1 page  
MITSUBISHI SOUND PROCESSOR ICs
M65824AFP
CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC
4. PIN DESCRIPTION
pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Name
AVSS
ADJCLK
LOCK/DRD
TEST I/O
ACLRB
C423/DSCK
DOTX
XI
DVSS
XO
TEST
SBCO
SCCK
SYCLK
EFFK
KILLB
EST1
EST2
HF
TLC
LPF
DVDD
DSPS
I/O Function
- Analog system GND
O Clock output for servo adjustment:f=88.2KHz
Lock monitor / low disc rotation detect
O output
I Test control
I System reset input : reset ="L" No pull-up
Crystal system clock output f=4.2336MHz
O Ext.D/A mode: Data shift clock output
O Digital out
Crystal oscillator input (with Feedback R)
I
f:8.4672MHz
- Digital system GND
O Crystal oscillator output
I Normal/Test select input : Test"H"
O Subcode serial output
I Shift clock input for subcode data read
O Frame lock status output : Lock="H"
O EFM frame clock output : duty=50%
O
Digital silence : DIGITAL ZERO="L"
Opendrain output
Error status output 1
O "H"When error detect at C1 decoder
Error status output 1
O "H"When error detect at C2 decoder
I High frequency signal input
O Slice level control signal output
I/O Loop filter for PLL
- Digital interface power supply
- Digital system power supply(internal logic)
MITSUBISHI
ELECTRIC
5 /23
5 Page 
MITSUBISHI SOUND PROCESSOR ICs
M65824AFP
CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC
(5) M65824AFP commands table
Initial value after power on:00000000
D7 D6
Disc motor mode
D5 D4
Audio function
D3
D2 D1
D0
Status Request/Interface command
(6) Data description
Reset condition
function
Internal D/A mode , DOTX : OFF , Disc motor switched off , Audio muted , ACCK c
lock level :
Disc motor Mode
D7 D6
Function
0 0 Disc motor switched off
0 1 Disc motor accelerate,applies maximum voltage for acceleration to the disc mo
1 0 Disc motor brake,applies maximum voltage for braking to the disc motor
1 1 Disc motor CLV control mode
Audio function
D5 D4
00
01
10
11
Audio muted
Function
Audio mute off
Prohibited
Audio attenuate by 12dB
Status request / Interface command
D3 D2 D1 D0
Function
Disc rotation down status,Status="L" when disc motor speed <2/3
0 0 0 0 of nominal speed
0 0 0 1 PLL lock status,Status="L" when PLL is locked
0 0 1 0 Subcode ready status,Status="L" when new subcode has been receive
0 0 1 1 Status=Logical value of EXP1(Pin33)
0 1 0 0 Status=Logical value of EXP1(Pin34)
0 1 0 1 DOTX output
0 1 1 0 DOTX off (high impedance)
0 1 1 1 ACCK Clock accuracy input Level
1 0 0 0 ACCK Clock accuracy input Level
1 0 0 1 External D/A mode (IIS)
1 0 1 0 External D/A mode (EIAJ)
1 1 1 1 Internal D/A mode
MITSUBISHI
ELECTRIC
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11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet M65824AFP.PDF ] | |
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