KDC-MP828/W7531/W7531Y/W8531
/W8531Y/X789/X8529/X889
11
Pin No.
Pin Name
I/O
Function
Processing Operation
90~93
NC
-
Not used
94
WE
I/O
Memory data write permission
L : Write, H : Wait
SW3.3V start up : Hi-Z
95
OE
I/O
Memory data transmission permission
L : Data transmission, H : Wait
SW3.3V start up : Hi-Z
96,97
NC
-
Not used
98
3.3VDD
-
3.3V
99
VSS
-
Connect to GND
100
FROMCHK
-
Not used
101
CE
I/O
Memory operation permission
L : Operation, H : Wait
SW3.3V start up : Hi-Z
102~104
NC
-
Not used
105
ROMCOR SCL
-
Not used
106
ROMCOR SDA
-
Not used
107
NC (SEL E2P)
-
Not used
108
PON TRI GREEN
I/O
Triangle green light ON switch
H : Light ON, Hi-Z : Light OFF, When blackout : Light ON
109
PON TRI RED
I/O
Triangle red light ON switch
H : Light ON, Hi-Z : Light OFF
110
PON BLUE
I/O
Blue sub-illumination light ON switch
H : Light ON, Hi-Z : Light OFF
111
SA RST
O
Spectrum analyzer IC reset
H : Reset (1.8V or higher), L : Normal
112
3.3VDD
-
3.3V
113
EVSS
-
Connect to GND
114
PON GREEN
I/O
Green key illumination light ON switch
H : Light ON, Hi-Z : Light OFF
115
PON RED
I/O
Red illumination light ON switch
H : Light ON, Hi-Z : Light OFF
116
PON SW3V
I/O
Rotary encoder power supply
L : ON, Hi-Z : OFF
117
NC
O
Not used
118~123
A21~A16
O
Address output
124
2.5VDD
-
2.5V
125
VSS
-
Connect to GND
126~133
A15~A8
O
Address output
134
3.3VDD
-
3.3V
Connect to GND
Address output
Not used
Data input/output
MECHANISM MICROCOMPUTER : IC1 (X32- : CD PLAYER UNIT)
Function
Processing Operation
ADC reference power supply input terminal (L)
GND
2
DMUTE
O
Driver MUTE
L : STOP, H : MUTE OFF
3
CSRST
O
(Decoder) Resetting control
L : RESET, H : NORMAL
4
NC
O
Not used.
Open output L-fixed
5
LZM
I
0bit MUTE detection (Lch)
L : MUTE OFF, H : MUTE ON
6
RZM
I
0bit MUTE detection (Rch)
L : MUTE OFF, H : MUTE ON
7
BREQ
I
(Decoder) BREQ signal input
8
DSPINT
I
(DSP) interruption signal input
H : Interruption
MICROCOMPUTER’S TERMINAL DESCRIPTION
www. xiaoyu163. com
QQ 376315150
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9
2
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9
4
2
9
8
TEL 13942296513
9
9
2
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4
2
9
8
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5
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
