8
KDC-MP2032/MP232/MP4033/
KDC-MP4033S/W4534/W4534Y
Pin No.
Pin Name
I/O
Application
Processing Operation
Remarks
Description
41,42
NC
-
Not used.
Low-fixed
3.3V driven
43
RD
O
Multiplex RD signal
3.3V driven
44
ASTB
O
Multiplex ASTB signal
3.3V driven
45
NC
-
Not used.
Low-fixed
3.3V driven
46
NC
-
Not used.
Low-fixed
3.3V driven
47~54
AD0~AD7
I/O
Multiplex address/data
3.3V driven
55
BVdd
-
BUS interface power supply
56
BVss
-
BUS interface GND
57~61
AB8~AB12
I/O
Multiplex data/address
3.3V driven
62~65
NC
-
Not used.
Low-fixed
3.3V driven
66
CS
O
Chip select control
H : OFF, L : ON
3.3V driven
67
DSP RESET
O
DSP reset control
H : NORMAL, L : RESET
3.3V driven
68~70
NC
-
Not used.
Low-fixed
3.3V driven
71
Avdd
-
72
Avss
-
73
Avref
I
A/D port reference voltage input
74
NC
-
Not used.
Low-fixed
75
RAMSEL
I
With DRAM/No DRAM switching
H : With DRAM, L : No DRAM
for different models
76
RZM
I
0bit MUTE detection
H :
≥
1.7V, L : <1.7V
77
LZM
I
0bit MUTE detection
H :
≥
1.7V, L : <1.7V
78
AAC
I
AAC compatibility switching
H : AAC non-compatible,
AAC non-compatible mode has priority
L : AAC compatible
for both hardware and software.
79
ASEL
I
Audio output polarity switching
H : Reverse output,
L : Non-reverse output
80
E2P WR
I
E2PROM write switching
H : E2PROM WRITE,
L : NORMAL
81
TEST I 0
I
TEST MODE I 0
(Not used.)
82
TEST I 1
I
TEST MODE I 1
(Not used.)
83
TEST I 2
I
TEST MODE I 2
(Not used.)
84
TEST I 3
I
TEST MODE I 3
(Not used.)
85,86
NC
-
Not used.
Low-fixed
87
MSTOP
I
Standby restart interruption
H : STOP release, L : STOP
88
INTSV
I
Interruption from servo IC
H : Interruption
89~92
NC
-
Not used.
Low-fixed
93
D-MUTE
O
Driver MUTE
H : OFF, L : ON
94
SYS SDA
I/O
System
µ
-com I2C data
Flash write port (SI0)
95
NC
-
Not used.
Low-fixed
Flash write port (SO0)
96
SYS SCL
I/O
System
µ
-com I2C clock
Flash write port (SCK0)
97~99
NC
-
Not used.
Low-fixed
100
E2P SDA
I/O
ROM correction E2P I2C data
MICROCOMPUTER’S TERMINAL DESCRIPTION
