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Pin No. Pin name I/O Description
1 CLCS O Chip select output to real time clock (IC804).
2 XRST O Reset output. L : Reset
3 WRPWR O Laser power switching signal output.
4 TX O Write data transfer timing output.
5 SENSE I Internal status (SENSE) input.
6 LDON O Laser ON signal. H : ON
7 XSHOCK I Track jump detection input.
8 –––– – Not used (Open).
9 INLS I Detecting switch for internal circuit of sleding. Internal circuit : L
10 PROTECT I Disc write protect switch. H : Protect
11 DATA O Data output to remote control.
12 HOLD I Hold switch input (This unit). L : Hold
13 WP I Wake-up signal input from remote control key and this unit key.
14 OPEN I Detecting switch for opening and closing of the upper cover. Close : L
15 CLOCK I CLOCK SET switch input.
16 CLK SDIO I Serial clock input.
17 EVR DATA I Electric volume control data input.
18 PUSH JOG I Push JOG switch input.
19 LCD STB O LCD standby output.
20 CL SCK O Serial clock output for real time clock (IC804).
21 SDI2 I Serial data input.
22 SYNC REC I SYNCHRO REC switch input.
23 D. B. B I DIGITAL MEGA BASS switch input.
24 XLINEDET I Line input detect. L : Line
25 AVLS I AVLS switch input. L : ON
26 XTEST I Test mode terminal. L : Test mode
27 XDCIN I DC input detect. L : DC IN
28 KANA SE L – Not used (Fixed at “H”).
29 AM3 ON O This is at “H” level during external battery operation.
30 XP CONT O Power control output. L : ON
31 LIP ON O Outputs H while operating with a lithium battery.
32 XREC LED O REC LED control. L : ON
33 MODE2 O
Head drive (IC506) control signal output.
34 MODE1 O
35 XRF STBY O Power control output to RF amplifier (IC501).
36 XLCD ON O LCD ON/OFF control. L : ON
37 MP – Microprocessor mode input (Fixed at “L”).
38 XMRST I Microprocessor reset input.
39 VSS – Ground.
40 XTAL – System clock (12MHz).
41 EXTAL – System clock (12MHz).
42 CS – Chip Select input (Connected to +2.8V).
43 –––– – Not used (Fixed at “L”).
44 LCD DATA O LCD data output.
45 LCD SCK O Serial clock output.
46 –––– – Not used (Open).
47 –––– – Not used (Open).
48 HIDCMNT I Voltage monitor DC input.
49 KEYR I Remote control key input.
50 AVSS – Ground terminal for A/D converter.
IC801 SYSTEM CONTROL (CXP81960M-652R)