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•
DR- R504X
(
• Pin Function
No.
Pin Name
1/0
Function
1
WBL
I
WOBBLE signal input.
2
FSK
0
FSK demodulation signal output.
3
SBSY
I
Subcode sync. signal input.
Normal speed:75Hz
4
MOP
0
MOP output for CLV
servo.
I
5
SPSEL
I
Selection input of microcomputer interface
mode.
H:Serial
mode,
L:Parallel mode
6
ASYNC
0
ATIP
sync.
output.
Normal speed:75Hz
7
ACK
I
Clock input for serial
interface.
8
GND
-
Ground.
9
AOUTPE
I
Read enable input of serial
data.
10 AOUT
0
Serial data output.
32 bits
11
AINPE
I
Write enable input of serial data.
12 AIN
I
Serial data input.
16 bits
(
13 XCK
I
Master clock input.
Normal speed :4.3218MHz
14 XSRST
I
System reset input.
Low active
15 SIOK
0
Special information standby flag ou.tput.
STS BIT2
H:Special information is able to read
.
16 CRCOK
0
CRC arithmetic result output.
STS BIT7
H:CRCOK,
L:CRCNG
17
PROTECT
0
ATIP
sync.
protection state output.
H:Protection
state,
L:Non protection state
18
vcc
~
Power supply voltage pin.
19
N.C.
-
Not
used.
I
I
20 XADSEL
I
Start address setting strobe input of address decoder.
21
XWE
I
Write enable input of
microcomputer.
22 XRE
I
Read enable input of
microcomputer.
23 SYAO
I
24 SYA1
I
25 SYA2
I
Address bus of
microcomputer.
26 SYA3
I
27 SYA12
I
28
GND
-
Ground.
29 SYA13
I
30 SYA14
I
Address bus of
microcomputer.
31
SYA15
I
32 SYDO
1/0
33 SYD1
1/0
34 SYD2
110
35
SYD3
1/0
Data bus of
microcomputer.
36 SYD4
1/0
37 SYD5
1/0
38
vcc
-
Power supply voltage pin
.
39
SYD6
1/0
40
SYD7
1/0
Data bus of
microcomputer.
47
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