TX-DS797
SUBMICROPROCESSOR
Terminal Descriptions
T
X
-D
S
79
7
No, Function
I/O Descriptions
No, Function
I/O
1
FLOSDDA
O Serial data output pin for FL tube driver and OSD IC.
50
LEDGRE
O
2
FLOSDCL
O Serial clock output pin for FL tube driver and OSD IC.
51 RZTP
O
3
OSDCS
O Chip select output pin for OSD IC
52 RZAM
O
4
FLCS
O Chip select output pin for FL tube driver
53 RZFM
O
5
MAININ
I
Signal input pin from remote control
54 RZPH
O
6
REMIN
I
Signal input pin from external remote control
55 RZCD
O
7
Z2RIN
I
Signal input pin from remote control of zone 2.Not used.
58 UPSPL
O
8
VSS
Power supply pin
58 PURE
O
10
VDDA
O Serial data output pin for video function switch IC
59 RZDVD
O
11
VDCL
O Serial clock input pin for video function switch IC
60 STBY
O
12
RESET
I
System reset input.
62 VCC
13
XOUT
O Connect the ceramic oscillator 16MHz.
63 VDST
O
14
VSS
Ground pin
64 VSS
15
XIN
I
Connect the ceramic oscillator 16MHz.
71 HPDET
I
16
VCC
Power supply pin. Apply 5V.
72 SYSOUT
O
20
VSYNC
I
Vertical synchronizing signal input pin.
75 SYSIN
I
24
PURE
O Pure audio relay control output pin. Not used.
76 AREA1
I
29
232RX
I
Receiving input pin of RS232C. Not used.
77 AREA2
I
30
232TX
O Sending output pin of RS232C.Not used..
79 SUBPOFF
I
31
TXD1
O Rewrite sending output pin to flash IC.
80 MAINREQ
I
32
RXD1
I
Rewrite receiving input pin from flash IC.
82 SYNCDET
I
33
CLK1
I
Rewrite clock input pin from flash IC.
84 ISS
I
34
RTS1
O Rewrite response output pin to flash IC.
86 FLRES
O
35
SUBSO
O Data sending output pin to communicate between microprocessors.
89 RDS
I
36
MAINSO
I
Data receiving input pin to communicate between microprocessors.
90 AMP
I
37
MAINCL
I
Clock receiving input pin to communicate between microprocessors.
91 12V
I
38
SUBREQ
O Request signal output pin to communicate between microprocessors.
92 NTSC
I
39
VAJ
I
Pulse signal input terminal A pin from rotary encoder.
93 K3
I
40
VBJ
I
Pulse signal input terminal B pin from rotary encoder.
94 K2
I
42
RZV2
O Video 2 indicator output pin.
95 K1
I
43
RZV3
O Video 3 indicator output pin.
96 VSS
45
RZV4
O Video 4 indicator output pin.
97 K0
I
47
RZV5
O Video 5 indicator output pin.
98 VREF
48
RZV1
O Video 1 indicator output pin.
99 VCC
49
LEDRED
O Power supply control output pin for recording indicator.
Descriptions
Power supply control output pin for zone 2 indicator
Tape indicator output pin.
AM indicator output pin.
FM indicator output pin.
Phono indicator output pin.
CD indicator output pin.
Upsampling frequency indicator control output pin
Pure audio indicator output pin.
DVD indicator output pin.
STANDBY/RECEIVED indicator output pin.
Power supply pin. Apply 5V.
Strobe output pin for video switch control output pin
Power supply pin. Connect to ground.
Headphone detect5ion input pin.
System code output pin
System code input pin.
Initializing input pin for band aria.
Initializing input pin for band aria.
Power failure intercept input pin between microprocessors.
Request input to communicate data between microprocessors.
External synchronizing detection input pin.
S video signal detection input pin.
Reset signal output pin to the FL tube driver IC.
Initializing input pin for RDS broadcast.
Initializing input pin for model
Initializing input pin for 12V trigger.
Initializing input terminal for NTSC/PAL.
Operation key connection pin.
Operation key connection pin.
Operation key connection pin.
Power supply pin for A/D converter.
Operation key connection pin.
Reference voltage input pin for A/D converter.
Power supply pin for A/D converter. Apply 5V.
