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MICROCOMPUTER'S TERMINAL DESCRIPTION
Active
Pin No.
Pin Name
(H/L)
50
FLAGIN
51~61
NC
62
DVSS
63
L
NMI
64
DVCC
65~77
NC
78
NC/BOOT
79,80
NC
81
POND3.3
82
L
MUTEL
83
L
MUTER
84
SDA
85
SCL
86
L
MSTOP
87
NC
88
L
DMUTE
89
DVCC
90
NC
91
DVSS
92,93
NC
94
MSEL
95
NC
96
ASEL
97
CHSEL
98
SEL0
99
SEL1
100
VREFH
I/O
Application
I
C2Err impossibility detection.
-
-
GND.
I
Non-maskable interrupt request.
-
Power supply terminal.
-
I
Mask : Not connected. Flash : For writing (Active "L"). L : Write, H : Nomal condition
-
O
Digital 3.3V power-on control terminal.
O
Lch audio mute control.
O
Rch audio mute control.
I/O I2C data (Main µ-com).
I/O I2C clock (Main µ-com).
I
Stand-by comeback interrupt.
-
O
Driver mute.
-
Power supply terminal.
-
-
GND.
-
GND.
I
Memory capacity switching terminal.
-
GND.
I
Audio output polarity switch.
I
Changer destination terminal.
µ-com destination terminal 0.
I
µ-com destination terminal 1.
I
I
Reference power supply input terminal for ADC (H). Back-up 3.3V
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
Processing Operation
L : Correction is possible.
H : Correction is impossible.
H : POWER ON
L : Stop, H : Stop is released.
L : MUTE ON, H : MUTE OFF
H : Capacity size down, L : Capacity size up
H : Reverse output, L : Non-reverse output
H : Changer, L : Other source
9
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