Akai CD-57 - Page 23

CXD1167Q = (DIGITAL SIGNAL PROCCESSOR)
| Symbol [vo] Description
| FSW | oO | Spindle motor filter switching control
| MON | Spindle motor ON / OFF control
nO
=
| MPD | © [Spindle motor speed and phase control
| MDS | © |Spindle motor speed control
| EFM [1 [EFM signal input
| ASY |
|Slide motor over reach guard signal output
7 LOCK
| vcoo | VCO output _(f = 8.6436 MHz
vcoo
| veo! __|
TEST
| PDO | 0 |Phasecompoutputt = Ci‘C*sCidz
12 GND (OV)
| O |
| O |
ow
ae
| O |
| O |
| |
|i [vcoinput
re
| |
| — |
13. | CLK [1 | Clock signal input from CPU
Lt |
Lt
a
Pit
ges
Re
|_O |
Rie
Rew
| 0 |
0 |
EFM signai slice level control
0 V (GND)
14 | XLT | I [Latch signal inputfrom CPU
1s__| DATA | 1 |Serialdatainputfrom CPU
i6__| XRST | 1 |Systemresetinput_ L:RESET
| CNIN | 1 | Tracking pulse input
| SENS | © [Output of CPU interface
| MUTG | 1 [Mute control signal input
| CRCF | O |CRC check data output of the subcodeQ
| EXCK | 1 [Notuse (GND)
| SBSO_ | O [Notuse
| SUBQ | 0 |Subcode Qoutput
| SCOR | © |Subcode sync detection output
8
0
2
3
4
5
6
7
8
9
(/O | Clock signal for subcode Q
[Select inputof SQCK (+ 5V)
[Digital output
[H : Frame sync lock _L: Frame sync unlock
| SQEX._|
| DOTX |
| GFs |
TEST
)
TEST
| Vdd |
TEST
5
TEST
2
5
2
3
a ee
OV (GND) >
0
1
2
21
2
2
2
2
2
2
2
3
3
5
51
5
5
5
61
6
| i |
com
| © |
I
| — |
| {OV (GND
| 51 | C4M___| O |1/4X'tal OSC output (f= 4.2336 MHz)
M82 3) Vee Se VGND) eee ee |
| 53 | XTAlL | 1 [Xtal OSC input (f=16.9344MHz) Cd
| 54 | XTAO_ | O |X'tal OSC output (f =16.9344 MHz)
| 55 | MD1 | | |Modeselectinputi OV(GND)
| 56 | MD2 | 1 |Modeselectinput2 OV(GND)
| 57 [| MD3___| | |Modeselectinputs +5V sid
| 58 | SLOB_ | | |Code select input for audio data OV(GND) Cd
| 59 | PSSL__| | |Mode select input for audio data OV(GND)
| 60 | APTR |O|Notuse —S
| 61 | APTL | O|Notuse id
| 62 | ciFi | O|Notuse | |
| 63 | ciF2 [0 [Notuse ——“‘“CS:*sSs™::CCCC~s*CY
| 64 | caFi_ | O [Notuse —CsCSCiszS
| 65 | CaF2_|O |Notuse ss ——“‘“‘(CC~sdCY
| 66 | cals] O [TP-c2FL “ae —“‘“‘(C;*S:*~*CY
| 67 | C2PO_|[O|Notuse —C—s—SCSSCSCisd
| 68 =| RFCK | O [Notuse
| 69 =| WECK | O|TP-WFCK — —“(—C“C‘idCN
| 70 | PLCK | O |Notuse —“—s‘“Cs—C—s—‘“CsSS—szS
| 7i__| UGFs | 0 [Notuse
| 72 [| Gtop |0O |Notuse —iz
EN
4
7
7
| RAOV
DATA Serial data output
WDCK Word clock output
L/R clock output
D-0001AD (DIGITAL FILTER)
10 Description
Crystal OSC input or external input
Crystal OSC output
Selected sampring frequency
IFSS2 | FSSi|__ fs ___
Lt OL | 44.1 kHz
| H | Lb | 48 kHz
za
Ed
| XIN |
| XOUT_|
Ss
| oH | 32 kHz
ae | STOP |
S2
FSSt
| DATA |
BCLK
| vss
SMUTE
OBS
-
UT
UT
DD
Serial data input
Bit clock for input data
GND
Soft mute control H = ON, L = OFF
R ch sample and hold plus output
L ch Serial data output
R ch Serial data output
De-emphasis control
Word clock output
Bit clock output for LDOUT and RDOUT
+ 5V
sw ure
| LDOUT |
| 12 | ~RDOUT |
| 13 | DEMPH |
fe 15 BOUT, 3
[16 voo _ |
170 |
fies
| 0 |
;
| LRCK | 1 [ L/R clock input
ee
adel
ae
ped
ee
| 0
| O-
ae
| 0 |
| O-
i