6-10. Ic Pin Function Description - Sony CDP-CE275 Service Manual

CDP-CE275/CE375

6-10. IC PIN FUNCTION DESCRIPTION

• BD BOARD IC101 CXD2587Q
(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER)
Pin No. Pin Name I/O
1 SQSO O
2 SQCK I
3 XRST I
4 SYSM I
5 DATA I
6 XLAT I
7 CLOK I
8 SENS O
9 SCLK I
10 VDD —
11 ATSK I/O
12 SPOA I
13 SPOB I
14 XLON O
15 WFCK O
16 XUGF O
17 XPCK O
18 GFS O
19 C2PO O
20 SCOR O
21 COUT I/O
22 MIRR I/O
23 DFCT I/O
24 FOK I/O
25 LOCK I/O
26 MDP O
27 SSTP I
28 SFDR O
29 SRDR O
30 TFDR O
31 TRDR O
32 FFDR O
33 FRDR O
34 VSS —
35 TEST I
36 TES1 I
37 XTSL I
38 VC I
39 FE I
40 SE I
41 TE I
42 CE I
26
Subcode Q data output to the system controller (IC301)
Subcode Q data reading clock signal input from the system controller (IC301)
System reset signal input from the system controller (IC301) "L": reset
Analog line muting on/off control signal input terminal "H": line muting on
Not used (fixed at "L")
Command serial data input from the system controller (IC301)
Command latch pulse input from the system controller (IC301)
Command serial data transfer clock signal input from the system controller (IC301)
Internal status monitor output to the system controller (IC301)
SENSE serial data reading clock input from the system controller (IC301)
Power supply terminal (+5V) (digital system)
Input pin for anti-shock Not used (fixed at "L")
Microcomputer escape interface input A terminal Not used (fixed at "L")
Microcomputer escape interface input B terminal Not used (fixed at "L")
Microcomputer escape interface output to the CXA2568M (IC103)
WFCK output terminal Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Subcode sync (S0+S1) detection signal output to the system controller (IC301)
Numbers of track counted signal input/output terminal Not used (open)
Mirror signal input/output terminal Not used (open)
Defect signal input/output terminal Not used (open)
Focus OK input/output terminal Not used (open)
GFS is sampled by 460 Hz "H" when GFS is "H" Not used (open)
Spindle motor (M101) servo drive signal output to the BA5974FP (IC102)
Limit in detect switch (S101) input terminal
Sled servo drive PWM signal (+) output to the BA5974FP (IC102)
Sled servo drive PWM signal (–) output to the BA5974FP (IC102)
Tracking servo drive PWM signal (+) output to the BA5974FP (IC102)
Tracking servo drive PWM signal (–) output to the BA5974FP (IC102)
Focus servo drive PWM signal (+) output to the BA5974FP (IC102)
Focus servo drive PWM signal (–) output to the BA5974FP (IC102)
Ground terminal (digital system)
Input terminal for the test (fixed at "L")
Input terminal for the test (fixed at "L")
Input terminal for the system clock frequency setting "L": 45.1584 MHz, "H": 22.5792 MHz
(fixed at "L" in this set)
Middle point voltage (+2.5V) input from the CXA2568M (IC103)
Focus error signal input from the CXA2568M (IC103)
Sled error signal input from the CXA2568M (IC103)
Tracking error signal input from the CXA2568M (IC103)
Command chip enable signal input from the CXA2568M (IC103)
Description