KDC-W808/X689
11
Pin No.
Pin Name
I/O
Application
Processing Operation Description
55~59
NC
O
Not used.
Output : L
60
VCC2
-
Positive power supply terminal
61
NC
O
Not used.
Output : L
62
VSS
-
Ground terminal
63~67
KS4~KS0
I/O
Key scan output 4~0
Output Low, Hi-Z switching
68
KR2
I
Key return input 2
Key return input 2, L : KEY ON
69
KR1
I
Key return input 1
Key return input 1, L : KEY ON
70
KR0
I
Key return input 0
Key return input 0, L : KEY ON
71,72
NC
O
Not used.
Output : L
73
PAN_OP_KEY
I
PANEL OPEN key input
H : OFF, L : ON
74
ENC_CW
I
Vol encoder forward rotation input
Pulse width detection
75
ENC_CCW
I
Vol encoder reverse rotation input
Pulse width detection
76~79
NC
O
Not used.
Output : L
80
TRIANGLE_LED
O
ILL TRIANGLE ON/OFF
L: Light OFF, H : Light ON
81~86
NC
O
Not used.
Output : L
87
SPA_BPF_SEL
O
BPF for SPANA IC selection
H : Selection
88
SPA_SEL_A~C
O
SPANA frequency selection terminal A~C
91
NC
O
Not used.
Output : L
92
SPA_LEVEL_IN
I
SPANA LEVEL input
A/D port
93
NC
O
Not used.
Output : L
94
AVSS
-
Ground terminal
95
VREF_CONT
O
VREF control terminal
H : ON
96
VREF
I
Analog reference voltage
97
AVCC
-
Positive power supply terminal
98~100 NC
O
Not used.
Output : L
●
Mechanism Microcomputer 91CU27UG5UR8 (X32-573 : IC1)
Pin No.
Pin Name
I/O
Application
Processing Operation Description
1
VREFL
I
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
9
SREQ
O
(Decoder) SREQ signal output
10
NC
O
Not used.
Open output L-fixed
11
S_DATA
O
(Decoder) Data output for serial data
12
B_DATA
I
(Decoder) Data input for serial data
13
CLK
O
(Decoder) Clock output for serial data
14
DSPTXD1
O
(DSP) Data output for serial data
15
DSPRXD1
I
(DSP) Data input for serial data
MICROCOMPUTER’S TERMINAL DESCRIPTION
