34
RX-V561/HTR-6050
RX-V561/HTR-6050
Ohm [ohm]
V [V]
KEY0 (7 pin)
KEY1 (6 pin)
+1.0 k
0.3
SCENE 1
SCENE 3
+1.0 k
0.55
SCENE 2
SCENE 4
+1.5 k
0.86
PROGRAM
<
DIRECT
+2.2 k
1.2
PROGRAM
>
AUDIO
SELECT
+3.3 k
1.56
STRAIGHT
INPUT <
+4.7 k
1.91
TONE
CONTROL
INPUT >
+4.7 k
2.14
SEARCH
MODE
PRESET/
TUNING <
+6.8 k
2.36
FM/AM
PRESET/
TUNING >
+10.0 k
2.57
A/B/C/D/E
MEMORY
+22.0 k
2.81
SPEAKERS
TUNING
IN1
IN2
IN3
MUX
T/H
VA
8-Bit
SUCCESSIVE
APPROXIMATION
ADC
GND
IN4
GND
SCLK
CONTROL
LOGIC
CS
DIN
DOUT
CS
1
VA
2
GND
3
IN4
4
IN3
5
SCLK
ADC084S021
10
DOUT
9
DIN
8
IN1
7
IN2
6
IC401:
ADC084S021CIMM (DSP P.C.B.)
4-channel, 200 kSPS, 8-bit A/D converter
1
2
3
4
5
6
7
8
9
10
/CS
VA
GND
IN4
IN3
IN2
IN1
DIN
DOUT
SCLK
/SPISEL1
VA
DGND
IN4
IN3
KEY1
KEY0
SPIMO
SPIMI
SPISCK
CS for microprocessor
+3.3S
Ground of external
Analog value from selector (IC402)
Analog value from selector (IC403)
Key input 1
Key input 0
Master output/slave input
Master input/slave output
SPI clock
Pin No.
Port Name
Function Name
Detail of Function
Key input (A/D), pull-up resistance 10 k-ohms
•
Microprocessor ADC select port
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
COM
INH
C
B
A
11
10
9
6
3
13
14
15
12
1
5
2
4
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
Y4
Y6
COM
Y7
Y5
INH
GND
GND
V
CC
Y2
Y1
Y0
Y3
A
B
C
INPUTS
ON
CHANNEL
INH
L
L
L
L
L
L
L
L
H
L
L
L
H
H
H
H
X
C
L
L
H
H
L
L
H
H
X
L
H
L
H
L
H
L
H
X
L
Y1
Y2
Y3
Y4
Y5
Y6
Y7
None
Y0
B
A
IC402, IC403:
SN74LV4051APWR (DSP P.C.B.)
8-channel analog multiplexers/demultiplexers
