8
KDC-W3534A/W3534G
KDC-W40AY
Pin No.
Pin Name
I/O
Application
Processing Operation Description
14
DAC RST
O
DAC RESET
L : RESET
15
EMPH
O
External DAC Emphasis control
L : Emphasis OFF
16,17
NC
-
Not used
Low-fixed
18
IC/Vpp
-
Write voltage (FLASH)
H : In writing
19
MUTE L
O
Lch audio MUTE control
L : MUTE ON, H : MUTE OFF
20
MUTE R
O
Rch audio MUTE control
L : MUTE ON, H : MUTE OFF
21
TYPE
I
DAC switching
L : DSP built-in DAC Not used
22
TEST O 1
O
TEST MODE O 1
(Not used)
23
TEST O 2
O
TEST MODE O 2
(Not used)
24
TEST O 3
O
TEST MODE O 3
(Not used)
25
TEST O 4
O
TEST MODE O 4
(Not used)
26
NC
-
Not used
Low-fixed
27
WAIT
I
Wait control signal detection
28~30
NC
-
Not used
Low-fixed
31
RESET
I
Reset detection
H : NORMAL, L : RESET
32
XT1
I
Not used
33
XT2
-
Not used
34
REGC
-
35
X2
-
36
X1
I
37
Vss
-
GND electric potential
38
VDD
-
5V electric potential
39
NC
-
NC
40
WRL
I
Multiplex WRITE signal
41,42
NC
-
Not used
Low-fixed
43
RD
O
Multiplex RD signal
44
ASTB
O
Multiplex ASTB signal
45
NC
-
Not used
Low-fixed
46
NC
-
Not used
Low-fixed
47~54
AD0~AD7
I/O
Multiplex address/data
55
BVdd
-
BUS interface power supply
56
BVss
-
BUS interface GND
57~61
AB8~AB12
I/O
Multiplex data/address
62~65
NC
-
Not used
Low-fixed
66
CS
O
Chip select control
H : OFF, L : ON
67
DSP RESET
O
DSP reset control
H : NORMAL, L : RESET
68~70
NC
-
Not used
Low-fixed
71
Avdd
-
72
Avss
-
73
Avref
I
A/D port reference voltage input
MICROCOMPUTER’S TERMINAL DESCRIPTION
