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KDC-7027/7027Y
9
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Description / Processing Operation
54
IOSEL
I
Audio DAC data input mode selection terminal (H : External data, L : Internal data)
55
NRST
I
Reset input (L : Reset)
56
BCLK
O
Bit clock output for SRDATA
57
LRCK
O
L/R identification signal output
58
SDDATA
O
Serial data output
59
SUBC
O
Sub-code serial output
60
SBCK
I
Clock input for Sub-code serial output
61
DQSY
O
CD-TEXT read permission signal output
62
DEMPH
O
De-emphasis detection signal output (H : ON)
63
TX
O
Digital audio interface signal output
64
PSEL
I
SRDATA input/Test terminal
65
MSEL
I
LRCK input/SMCK output frequency switching
66
SSEL
I
BCLK input
67
DVDD1
-
VDD (BU5V)
68
X1
I
Crystal oscillation circuit connection terminal
69
X2
O
Crystal oscillation circuit connection terminal
70
DVSS2
-
GND
71
XSUB1
I
Microprocessor clock input terminal
72
XSUB2
O
Microprocessor clock output terminal
73
DVDD2
-
VDD (BU5V)
74,75
NC
O
Not used (N.C.)
76
73/74SEL
I
73/74 selection terminal (H : CD-TEXT OFF, L : CD-TEXT ON)
77
DRV MUTE
O
Driver muting control terminal (L : Spindle motor, Focusing actuator and tracking actuator outputs OFF)
78,79
NC
O
Not used (N.C.)
80
TEST
I
Test mode switching terminal
81
ASEL
I
Audio output polarity detection terminal (H : Non inverted, L : Inverted)
82
PON
O
Audio/digital power supply control terminal (H : Power ON)
83
SEARCH
O
Servo IC gain switching control terminal (H : Search, L : Normal operation)
RF amplifier doable-speed switching control terminal
Limit switch detection terminal (H-L : Pickup most inner position)
L ch. analogue muting control terminal (L : Muting requested)
R ch. analogue muting control terminal (L : Muting requested)
CD-RW control terminal (H : CD-RW, L : Normal operation)
System reset input terminal (L : System reset)
6000/6010 selection terminal (L : 6000 series, H : 6010 series)
Standby detection terminal (H : Operation mode, L : Stop mode)
LD control terminal (H : LD ON, L : LD OFF)
93
DATA
I/O
I2C bus data line (communication line with System microprocessor)
94
/CLK
I/O
I2C bus clock line (communication line with System microprocessor)
95
HOT
I
Temperature protection detection terminal
96
AVREF
-
A/D converter reference voltage connection terminal (Connected to BU 5V lines)
97
OUT R
O
R ch. Audio output
98
AVDD1
-
A/D converter positive power supply connection terminal (Connected to analogue 5V lines)
99
OUT L
O
L ch. Audio output
100
AVSS1
-
GND
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