Ic Pin Functions - Sony CDP-CA80ES Service Manual

QQ
3 7 63 1515 0

5-13. IC PIN FUNCTIONS

• IC101 DIGITAL SIGNAL PROCESSOR (CXD2585Q) (BD BOARD)
Pin No. Pin Name
1 DVDD
2 XRST
3 MUTE
4 DATA
5 XLAT
6 CLOK
7 SENS
8 SCLK
9 ATSK
10 WFCK
11 XUGF
12 XPCK
13 GFS
14 C2PO
15 SCOR
16 CM4
17 WDCK
18 DVSS
19 COUT
20 MIRR
21 DFCT
TE
L 13942296513
22 FOK
23 PWMI
24 LOCK
25 MDP
26 SSTP
27 FSTO
28 DVDD1
29 SFDR
30 SRDR
31 TFDR
32 TRDR
33 FFDR
34 FRDR
35 DVSS1
36 TEST
37 TES1
38 VC
39 FE
40 SE
• Abbreviation
GFS : Guarded Frame Sync
www
.
http://www.xiaoyu163.com
I/O
— Digital power supply
I System reset "L" : reset
I Muting input "H" : mute
I Serial data input, supplied from CPU
I Latch input, supplied from CPU
I Serial data transfer clock input, supplied from CPU
O SENS signal output to CPU
I SENS serial data read-out clock input
I/O Input pin for anti-shock (Connected to ground)
O WFCK output (Not used)
O Not used
O Not used
O Not used
O Not used
O Sub-code sync output
O 4.2336 MHz output (Not used)
O Word clock output (ƒ = 2Fs)
— Digital ground
I/O Numbers of track counted signal input/output (Not used)
I/O Mirror signal input/output
I/O Defect signal input/output
I/O Focus OK input/output
I Spindle motor external control input (Connected to ground)
I/O GFS is sampled by 460 Hz. H when GFS is H (Not used)
O Output to control spindle motor servo
I Input signal to detect disc inner most track
O 2/3 divider output of pin 71
— Digital power supply
O Sled drive output
O Sled drive output
O Tracking drive output
O Tracking drive output
O Focus drive output
O Focus drive output
— Digital ground
I TEST pin connected normally to ground
I TEST pin connected normally to ground
I Center voltage input pin
I Focus error signal input
I Sled error signal input
x ao u163
y
i
— 42 —
http://www.xiaoyu163.com
2 9
8
Function
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9