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Pin No.
Pin Name
39
X1
40
VSS
41
XT2
42
XT1
43
RESET
44
BUSCLK
45
BUSBSY
46
SCOR
47
DQSY
48
NC
49
JOG0
50
JOG1
51
AVDD
52
AVREF0
53
KEY0
54
KEY1
55
KEY2
SELECT0
56
(CDTEXT)
SELECT1
57
(MECHA MODEL)
58
DISC SNS
59
MID SNS
60
(GND)
61
AVSS
62
TEST
63
NC
64
AVREF1
65
SRDT
66
NC
67
SCLK
68
SUBQ
69
NC
70
SQCLK
71
XMODE
72
SENSE2
73
SENSE
74
DRV DAT
75
DRV CLK
76 to 83
A0 to A7
84 to 91
D0 to D7
92 to 98
A8 to A14
99
NC
100
VSS
I/O
I
Main system clock input terminal (12.5 MHz)
—
Ground terminal
O
Sub system clock output terminal Not used (open)
I
Sub system clock input terminal Not used (fixed at "L")
System reset signal input from the reset signal generator (IC311) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Bus data transfer clock signal output for the system control bus
I/O
Busy signal in/out terminal for the system control bus
I
Subcode sync (S0+S1) detection signal input from the CXD2519Q (IC103) in BD section
I
Data read enable signal input from the CD text decoder (IC104) in BD section
O
Not used (open)
I
Jog dial pulse (0) input from the rotary encoder (S661) (for SELECTOR)
I
Jog dial pulse (1) input from the rotary encoder (S661) (for SELECTOR)
—
Power supply terminal (+5V) (for A/D converter)
I
Reference voltage (+5V) input terminal (for A/D converter)
Key input terminal (A/D input) (S611 to S613, S616 and S618)
I
CD1 to CD3, REPEAT, CLEAR keys input
Key input terminal (A/D input) (S621 to S623, S626 to S628)
I
§ (CD1 to CD3), MENU/NO, ENTER/YES, DISC SKIP keys input
Key input terminal (A/D input) (S631 to S638)
I
fl, p, 0, ), DISPLAY, CONTINUE, SHUFFLE, PROGRAM keys input
Input terminal for the Japanese letter in function setting
I
"L": input possible (fixed at "H" in this set)
Input terminal for the separate/complete type setting of CD section and other sections
I
"L": separate type, "H": complete type (fixed at "L" in this set)
I
Detection input from the disc in detect sensor (Q501) "H": disc in
I
Detection input from the disc tray close detect sensor (IC501) "H": disc tray is closed
I
Not used (fixed at "L")
—
Ground terminal (for A/D converter)
I
Input terminal for the test (fixed at "L" in this set)
O
Not used (open)
I
Reference voltage (+5V) input terminal (for D/A converter)
I
Serial data input from the CD text decoder (IC104) in BD section
O
Not used (open)
O
Serial data transfer clock signal output to the CD text decoder (IC104) in BD section
I
Subcode Q data input from the CXD2519Q (IC103) in BD section
O
Not used (open)
O
Subcode Q data reading clock signal output to the CXD2519Q (IC103) in BD section
O
Reset/power down mode setting signal output to the CD text decoder (IC104) in BD section
I
Internal status monitor input from the CXA1992AR (IC101) in BD section
I
Internal status monitor input from the CXD2519Q (IC103) in BD section
O
Serial data output to the fluorescent indicator tube driver (IC601) and LED driver (IC602)
Serial data transfer clock signal output to the fluorescent indicator tube driver (IC601) and LED
O
driver (IC602)
O
Address signal output to the S-RAM (IC315)
I/O
Two-way data bus with the S-RAM (IC315)
O
Address signal output to the S-RAM (IC315)
O
Not used (open)
—
Ground terminal
Function
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