37
RX-V795a/RDS/HTR-5170
RX-V795a
/
RDS
HTR-5170
IC21 : HD6433397A97F
Main Micro Processor
(Note 1) Pin 10 Frequency Switch (R only)
0
AM : 530-1710kHz (10kHz step)
FM : 87.5-108.0MHz (100kHz step)
1
AM : 531-1611kHz (9kHz step)
FM : 87.5-108.0MHz (50kHz step)
(Note 2) Pin 67, 68 Tuner Mode 0 and 1
Tuner Mode 1
Tuner Mode 0
Tuner Frequency
0
0
AM : 531-1611kHz (9kHz step)
FM : 76.0-90.0MHz (100kHz step)
J
0
1
AM : 530-1710kHz (10kHz step)
FM : 87.5-107.9MHz (200kHz step)
U, C
1
0
AM : 531-1611kHz (9kHz step)
FM : 87.5-108.0MHz (50kHz step)
A, L,G
1
1
Tuner Frequency is selected by Frequency Switch (Pin 10)
R, T
(Note 3) Pin 69 Video Format
(Note 4) Pin 70 RDS Exist or Not
(Note 5) Pin 71, 72 Model Type 0 and 1
0
NTSC
1
PAL
0
Not Exist
1
Exist
Model Type 1
Model Type 0
Model Name
0
0
RX-V2095
0
1
DSP-A2
1
0
RX-V995
1
1
RX-V795a
1
/RES
/RES
CPU Reset
2
XTAL
XTAL
8MHz
3
EXTAL
EXTAL
8MHz
4
MD1
MD1
Mode Set 1 5M Flush Write:+12V
5
MD0
MD0
Mode Set 0 5M Flush Write:+5M
6
/NMI
Vcc
Vcc
7
/STBY or Fvpp /STBY or Fvpp
Stand-by or Fvpp 5M Flush Write:+12V
8
Vcc
Vcc
Vcc
9
P52/SCK0
SCKN
O SCK for Non Audio
10 P51/RXD0
RDTR/FSW
I
RXD for Non Audio (RDS) / Frequency Switch
11 P50/TXD0
SDTN
O SDT for Non Audio
12 Vss
GND
GND
13 P97
CER
O CE for Non Audio (RDS)
14 P96/
φ
/ST
I
Tuner Stereo
15 P95
CES
O CE for Non Audio (OSD)
16 P94
CEF1
O CE for Non Audio (FL1)
17 P93
CEF0
O CE for Non Audio (FL0)
18 P92//IRQ0
PDT
I
Power Detect (Low Level Detect)
19 P91//IRQ1
REM
I
Remote (Low Edge Detect)
20 P90//IRQ2
VSY
I
Video Vartial Sync (Low Edge Detect)
21 P60
SCKP
O SCK for Tuner PLL
22 P61
SDTP
O SDT for Tuner PLL
23 P62
RDTP
I
RDT for Tuner PLL
24 P63
CEP
O CE for Tuner PLL
25 P64
/TMT
O Tuner Mute
26 P65
/FLR
O FL Reset
27 P66//IRQ6
–––
–––
28 P67//IRQ7
PSW
I
Power Switch
29 Avcc
Avcc
Avcc
30 P77/AN7
MTR
I
Tuner Meter
31 P70/AN0
KEY0
I
Key State 0
32 P71/AN1
KEY1
I
Key State 1
33 P72/AN2
KEY2
I
Key State 2
34 P73/AN3
REC
I
Recout Selector
35 P74/AN4
PRV
I
V Protection
36 P75/AN5
PRD
I
DC Protection
37 P76/AN6
THM
I
Thermal Detect
38 Avss
GND
GND
39 P40
VIND
O Volume Indicator
40 P41
VUP
O Volume Up
No.
Name
Function I/O
Detail of Function
41 P42
VDN
O Volume Down
42 P43
IPA
I
Input Selector A
43 P44
IPB
I
Input Selector B
44 P45
PRI
I
I Protection
45 P46/PW0
FAN
O Fan Control
46 P47/PW1
/FMT
O Full Mute
47 Vcc
Vcc
Vcc
48 P27
/MLY
O Main Level Att.
49 P28
SPA
O Speaker Relay A
50 P25
SPB
O Speaker Relay B
51 P24
SPE
O Speaker Relay Ext
52 P23
CEL
O CE Sanyo for Audio
53 P22
CET
O CE Toshiba for Audio
54 P21
SDTA
O SDT for Audio
55 P20
SCKA
O SCK for Audio
56 Vss
GND
GND
57 P17
/R2MT
O Room 2 Mute
58 P16
I/E
O Video Internal/External
59 P15
VRC
O Video Recout Select C
60 P14
VRB
O Video Recout Select B
61 P13
VRA
O Video Recout Select A
62 P12
VIC
O Video Input Select C
63 P11
VIB
O Video Input Select B
64 P10
VIA
O Video Input Select A
65 P30
PRY
O Power Relay
66 P31
Z2DET
I
Zone 2 Detect
67 P32
TUN0
I
Tuner Mode 0
68 P33
TUN1
I
Tuner Mode 1
69 P34
VID
I
Video Format
70 P35
RDS
I
RDS Exist or Not
71 P36
TYP0
I
Model Type 0
72 P37
TYP1
I
Model Type 1
73 Vss
GND
GND
74 –––
–––
–––
75 P81
/SBR
O Sub CPU Reset
76 P82
TRO
I
CPU I/F Transfer Request
77 P83
WCIF
I
CPU I/F Word Clock
78 P84/TXD1
MTS/TXD1
O Normal:CPU I/F Main to Sub Flush Write:TXD1
79 P85/RXD1
STM/RXD1
I
Normal:CPU I/F Sub to Main Flush Write:RXD1
80 P86/SCK1
CKIF
O CPU I/F Clock
No.
Name
Function I/O
Detail of Function