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RX-V990
IC801 : HD6473724F
8 bit µ-COM
P87
P90/PWM
P9l/SCKl
P92/Sll
P93/S0l
P94/SCK2
P95/Sl2/CS
P96/S02
P97/UO
PAO
PAl
AVCC
POO/ANO
P01/ANl
P02/AN2
P03/AN3
No.
Port
Name
1
P04/AN4
V1
2
P05
STOUT
3
P06
ISTSIG
4
P07
1ST
5
AVSS
AVSS
6
TEST
7
X2
8
X1
9
VSS
VSS
10
OSC1
OC1
11
OSC2
OC2
12
IRES
RES
13
P10/lRQO
DET
14
P11/1RQ1
REM
15
P1211RQ2
RM2
16
P1311RQ3
VSY
17
IPRI
P14
18
P15
19
PSW
P16
20
STBY
P33/FS27
21
P32/FS26
22
P18
P31/FS25
23
P17
P30/FS24
24
P16
P47/FS23
25
P15
P46/FS22
26
P14
P45/FS21
27
P13
P44/FS20
Note)
Input port when the power is ON.
H : Stand-by
mode is not available
17
L : Stand-by
mode is available
V
M N
l[)
~
~
-r-
a a a a a a a a a a a a a a a a
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~~~~oo~g~~~~~~~R~~~~~~IDg
~ ~ ~ ~ ~ ~ ~ > ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
(J) ~ N ~ (J) ~ NI(J)181~IN
~ ~ m ~
(J) (J)
(J)
x x
Z Z Z Z
U U
w
~ ~ ~ ~ >
>
w ~ ~ ~ ~ ~ ~ ~ w ~ ~ ~ ~ ~
~~~~
00
~ ~ ~ ~ ~ rOO
I/O
I
Market Select
(A-D)
I
Stop request
(Tuner)
I
Signal in
(Tuner)
I
Stereo in
(Tuner)
-
GND for A-D
GND
N.C.
+5V
-
GND
]
Clock (8M Hz)
I
Reset
I
Power down detect
I
Remote control
N.C.
I
Superimpose
Vertical Sync In
I
Speaker protection detect
N.C.
I
Power Switch
1/0
Standby In (Note)
N.C.
0
1-
0
0
Fluorescent character display tube anode drive signal
0
0
0
1-
(U, C, R, A)
(G)
Then changed
to output port. (H : Stand-by
-7
a
(J) (J) (J) (J) (J) (J) (J) (J)
C"1
~
or-
('.J
l[)
~
0
_
_
_
_
_
_
u.. u..
u..
LL
LL
LL
c.o
m
-r-
00 ~
M
N
~
~
l[)
~
I~ ~
IMlo
N N N N N
m ~ ~
w
a a a
W
0 Z
~~~~~I~ - ~
a ~
a ~
N M ~ C ~ M N ~
M M M ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
-
~
ill
a:
Function
LED light ON. L : Stand-by
c.o
f"...
_
_
u..
lJ...
0
-r-
P17IVOISP
P57/FS8
P56/FS9
P55/FS10
P54/FSll
P53/FS12
P52/FS13
P5l/FS14
P50/FS15
P40/FS16
P4l/FS17
P42/FS18
P43/FS19
P44/FS20
P45/FS2l
P46/FS22
M
LED light OFF.)
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