6
KDC-W6531/W6531Y
/X589/X7529
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Application
Processing Operation Description
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
16
DSPSCLK1
O
(DSP) Clock output for serial data
17
AM0
-
ROM mode selection terminal
H : NORMAL, L : External ROM mode
18
DVCC
-
BU3.3V
19
X2
O
Oscillator connection 26.88MHz
20
DVSS
-
GND
21
X1
I
Oscillator connection 26.88MHz
22
AM1
-
H-fixed
23
RESET
I
Reset detection
L : RESET H : NORMAL
24,25
NC
O
Not used.
Open output L-fixed
26
NMI
I
Non-maskable interruption Not used.
27
ALE
O
Not used.
Open output prohibited (Hi-Z)
28
DSPSTB
O
(DSP) Data strobe signal output
29
DSPA0
O
(DSP) Command parameter identification signal output
H : Transmitting parameter, L : Transmitting command
30
DSPRST
O
(DSP) Reset control
31
NC
O
Not used.
Open output L-fixed
32
NC
O
Not used.
Open output L-fixed
33
SEARCH
O
Search condition output
H : In search, L : Normal (x2 : L-fixed)
34
LOE/LIM_SW
I
PU LIM detection SW
H : LIM
35~39
NC
O
Not used.
Open output L-fixed
40
POND3.3
O
D3.3V POWER ON control terminal
H : POWER ON
41
NC
O
Not used.
Open output L-fixed
42
PONCS
O
CS7410-series power supply control terminal
H:POWER ON
43~47
NC
O
Not used.
Open output L-fixed
48
DATA_MUTE
O
Data output status
L : DATA output MUTE
49
NC
O
Not used.
Open output L-fixed
50
NC (BOOT)
O
Mask : Not used. (output H) / Flash (write terminal)
(Flash) L : WRITE, H : NORMAL
51~53
NC
O
Not used.
Open output L-fixed
54
MUTE L
O
Lch audio MUTE control
L : MUTE ON
55
MUTE R
O
Rch audio MUTE control
L : MUTE ON
56
NC
O
Not used.
Open output L-fixed
57
SDA
I/O
(System
µ
-com) I2C data
58
SCL
I/O
(System
µ
-com) I2C clock
59
MSTOP
I
Standby restart interruption
L:STOP H:STOP release
60~62
AN0~AN2
I
TEST0~TEST2
PULL DOWN
63
UNQID
I
Unique ID write permission
L : Normal, H : During service write
64
AVCC
-
ADC power supply terminal
BU3.3V
