Filter
Top Products
XR-P740M,
XR-P640M,
XR-P34()M
xR-P7
Q, XR-P64(),
XR-P340
I
pDGtoSA
flc3951
:
ADDoN
DtspLAy Assy)
(Except
XR-P34OM
and XR-P34Ol
O System
Control Micro-computer
a
Pin
Function
No.
Name
Function to
Description
1 PE3/INT3
NO USE
2
PE4/RMC
RMC IN I
Remote control signal
i[put
3
PE5 NO
USE
4 PE6
PRO. LOGI
o Prologic ON output
5 PE7ITO
NO
USE
6
PBO
7 PBl/CSO
8 PB2|SCKO
PB3/SIO
10 P84/SOO
9154 CLK
o 9154 CLK output
11 PB5/SCKl
9154 STB o 9154 STB
output
t2 PB6/511 )154
DATA o 9154 DATA
output
13 PB7/SOi
NO USE
14 PCO/KROKEY INO
I
Key scan, Key retum signal
rnput
PCi/KR1
KEY IN1
PC2IKR2
NO USE
17 PC3/KR3
18 PC4/KR4
19 PC5/KR5
20
PC6/KR6
2l PCTIKRT
22 PAO/ANO
LEVEL
LIN
I A/D input for
level meter
(Lch)
23 PA1/AN1
LEVEL
RIN
I A/D input for level
meter
(Rch)
24 PA2iAN2
Destination I
Prologic/Dolby
surround
changeover
25 PA3/AN3
SURROUND
SEL
o
DOLBY/THROUGH
changeove!
output for FRONT
& REAR signals.
26 PA4/AN4
F MUTE o Front mute
output
No. Name
Function vo
Descliption
27
PAs/AN5
NO USE
28 PA6/AN6
29 PA7/AN7
30 RST
Reset
signal input
EXTAL
Connected to ceramic
oscillator
(8MHz).
32
XTAL
33 VSS
VSS GND
34 PDO/SO
S MUTE o Surround
mute output
PD1/S1
C MUTE o
Center mute output
36 PD2t32 C MODE2
o Center mode 2 output
PD3/S3
C MODE1 o Center mode 1
output
38 PD4/S4
N MODE2 o Noise mode 2
output
39 PDs/S5
N MODE1 o Noise mode
I output
40 PD6/S6
NCH
SEL2
o
Noise
channel select 2
output
4l
PD7lS7
NCH
SELl
o
Noise
channel select I
output
42
PF0/S8 FL ON o FL
ON output
43
PF1/S9
NO USE
44
PF2/S10
45
PF3/S11
46
PF4/S12
47 PFs/Sr.3
o FL control segment
output
48 PF6/S14
S2
49 PF7/S15
S3
50 S4
s17
52
s18 s6/KO2
o
FL control segment/Key scan
stlok output
s19 s7/KO1
54 s20
s8/KO0
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