Pin No.
Function
I/O
Description
Pin No.
Function
I/O
Description
1~7
4G~10G
O
Grid output pins for FL tube.
39
CD
O
CD indicator output pin
8
+5V
Positive power supply pin
40
MD
O
MD indicator output pin
9
POWER1
O
Power supply control pin for AC outlet and FL tube.
41
CDR
O
CDR indicator output pin
10
SBASS-3
O
Acoustic presence control output pin
42
LINE/DVD
O
LINE/DVD indicator output pin
11
SBASS-2
O
Acoustic presence control output pin
43
ENERGY
O
ENERGY SAVE indicator output pin
12
SBASS-1
O
Acoustic presence control output pin
44
RDSSCK
I
Clock input pin from RDS decoder
13
FCE/VCE
O
Latch output pin of the function switch and
45
~POFF
I
Power failure detection pin
strobe output pin of the tone control
46
SYSIN
I
System code input pin
14
INPMUT
O
Audio muting control output pin
47
REMIN
I
Signal input from remote controller
15
DATA
O
Data output pin for function switch, tone control and PLL ICs.
48
IC
Inner connection pin
16
PLLCE
O
Chip enable output pin for PLL IC.
49
SYSOUT
O
System code output pin
17
~RESET
I
System reset input pin.
50
RDSSIG
I
Quality check signal from RDS decoder.
18
CLK
O
Clock signal output pin for function switch, tone control and PLL ICs.
51
RDSDATA
I
Data input pin from RDS decoder.
19
TUMUT
O
Muting output pin for tuner section.
52
+5V
Positive power supply pin
20
GND
Ground pin for A/D converter.
53
ROTB
I
Rotary encoder connection pin for Input selector
21
NC
Not used.
54
ROTA
I
Rotary encoder connection pin for Input selector
22
STEREO
I
Stereo broadcast detection pin.
55
POWER2
O
Power supply control pin for Power amplifier
23
SD
I
Broadcast detection input pin
56
SBASS A
O
Acoustic presence indicator output pin
24
NC
Not used.
57
SBASS B
O
Acoustic presence indicator output pin
25
SIGNAL
I
Signal strength input pin
58
VOLDOWN
O
DOWN signal output pin for Master volume
26
AREA
I
Initializing input pin for region
59
VOL UP
O
UP signal output pin for Master volume
27
K1
I
Operation key connection pin
60~70
P1~P11
O
Segment output pin for FL tube
28
K0
I
Operation key connection pin
71
Vload
Pull down resistor connection pin for FL tube
29
+5V
Analog power supply for A/D converter
72~77
P12~P17
O
Segment output pins for FL tube
30
+5V
Reference voltage input pin for A/D converter
78~80
1G~3G
O
Grid output pins for FL tube.
31
XT1
Oscillator connection pin for sub system. Not used.
32
XT2
Oscillator connection pin for sub system. Not used.
33
GND
Ground pin
34
X1
Crystal oscillator connection pin for main system clock
35
X2
Crystal oscillator connection pin for main system clock
36
FM
O
FM indicator output pin
37
AM
O
AM indicator output pin
38
TAPE
O
TAPE indicator output pin
MICROPROCESSOR-TERMINAL DESCRIPTION
R-805TX
