Pin Assignment; Block Diagram - Fostex CR300 Service Manual

CR300
CXD2585Q (SERVO DIGITAL PCB ASSY: IC353, Digital Signal Processor IC)

• Pin Assignment

• Block Diagram

56
60 59 58 57 56 55 54 53 52
61
DV 2
DD
62
ASYE
MD2 63
64
DOUT
65
LRCK
66
PCMD
67
BCK
EMPH 68
69
XTSL
70
DV 2
SS
71
XTAI
72
XTAO
SOUT 73
74
SOCK
75
XOLT
76
SQSO
77
SQCK
SCSY 78
79
SBSO
80
EXCK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
71 72 69 59 60 58 11 13 68 10
FSTO 27 Clock
Generator
16
C4M
EFM
50 Demodulator
RFAC
49
ASYI
Asymmetry
ASYO 48
Corrector
62
ASYE
57
BIAS
12
XPCK
Sub Code
53
FILO
Processor
Digital
54
FILI
PLL
PCO 55
52
CLTV
25
MDP
Digital
24
LOCK
CLV
PWMI 23
7
SENS
4
DATA
5
XLAT
CLOK 6
15
SCOR CPU
Interface
79
SBSO
80
EXCK
Servo
SCSY 78
Auto
76
SQSO
Sequencer
77
SQCK
43
RFDC
CE 42
TE 41
OP Amp
A/D
40 Analog
SE
Converter
Switch
39
FE
VC 38
46
IGEN
44
ADIO
51 50 49 48 47 46 45 44 43 42 41
40
SE
39
FE
38 VC
37
TES1
36
TEST
35
DV
34
FRDR
33 FFDR
32
TRDR
31
TFDR
30
SRDR
29
SFDR
28 DV
27
FSTO
26
SSTP
25
MDP
24
LOCK
23 PWMI
22
FOK
21
DFCT
17 14 65 66 67 3
37
36
Error
2
Corrector
D/A
Interface
32k
RAM
63
Digital
OUT
64
SIGNAL PROCESSING
BLOCK
SERVO BLOCK
73
74
75
Servo
8
Interface
19
26
9
20
MIRR
DFCT 21
FOK
22
PWM GENERATOR
SERVO DSP
33
FOCUS PWM
FOCUS
34
GENERATOR
SERVO
31
TRAKING PWM
TRACKING
GENERATOR 32
SERVO
29
SLED PWM
SLED
30
GENERATOR
SERVO
1
SS
1
DD
TES1
TEST
XRST
MD2
DOUT
SOUT
SOCK
XOLT
SCLK
COUT
SSTP
ATSK
MIRR
DFCT
FOK
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR