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IC526 : M30802SGP (FUNCTION P.C.B.)
16 bit µ-COM (CPU)
No.
PORT
Name
1
TXD4
TXDR
2
P95
RTS
3
CTS4
CTS
4
DA0
FAN
5
P92
SDTN
6
P91
RXRDS
7
P90
SCKN
8
P146
I/E
9
P145
CEB
10
P144
/FLR
11
P143
CEM0
12
P142
CEM1
13
P141
RDSE
14
P140
CES
15
BYTE
BYTE
16
CNVSS
CNVSS
17
P87
MODEL
18
P86
BOOT
19
RESET
/RES
20
XOUT
XO
21
VSS
VSS
22
XIN
XI
23
VCC
VCC
24
NMI
NMI
25
INT2
REM
26
INT1
PSW
27
INT0
PDT
28
P81
VSY
29
P80
/ICD
30
P77
RXDR
31
P76
DMT
32
P75
INT928
33
P74
34
P73
CEP
35
P72
SCKP
36
P71
RDTP
37
P70
SDTP
38
P67
SDM
39
VCC
VCC
40
P66
SDD
41
VSS
VSS
42
P65
SCK
43
P64
CSY
44
P63
DTC
45
P62
CEC
46
P61
CKC
47
P60
CSV
48
P137
/CSM
49
P136
VRB
50
P135
VRA
51
P134
PRI
52
/RDY
/RDY
53
ALE
ALE
54
/HOLD
/HOLD
55
/HLDA
HLDA
Function
232C Transmission Data
232C RTS out
232C CTS input
Fan Control
SDT for Non Audio
RDS Reception/Frequency Switch (Note 1)
SCK for Non Audio
Internal/External Synchronous output
CE for BU2092/ZONE2 function (0: Not, 1: Exist)
FL IC Reset
CE for FL1
CE for FL2
CE for RDS/RDS function (0: Not, 1: Exist)
CE for On Screen/Video format (0: NTSC, 1: PAL)
External data bus width select input (16bit width: VSS)
Microprocessor mode select input (Microprocessor mode: VCC)
Model detect (0 : RX-V3000, 1 : DSP-AX2)
232C Boot terminal (Not used)
Reset input
Clock output
Ground
Clock input
+ 5V
Not used (pull-up VCC)
Remote in (Low Edge : Interrupt)
Power Switch (High Edge : Interrupt)
Power Detect (Low Edge : Interrupt)
Video Vertical Sync
IC for YSS928/DA/DF/CODEC/DEM
232C Reception Data (Connection pin 144)
Digital Full Mute
YSS928 IPINT/MUTE/DIR
Unconnected
CE for Tuner PLL IC
SCK for Tuner PLL IC
Reception Data for Tuner PLL IC
Transmission Data for Tuner PLL IC
Transmission Data for YSS928
+ 5V
Reception Data for YSS928
Ground
CLK for YSS928
CE for YSS928
SDT for CS3310
CE for CS3310
SCK for CS3310
Power control for CS3310
Reset for CS3310
Volume Rotary B
Volume Rotary A
I Protection
While the input level of the RDY pin is "L", the microcomputer is in the ready state
Unconnected
While the input level at the HOLD pin is "L", the microcomputer is placed in the hold state
Unconnected
RX-V3000/RX-V3000RDS
Power On Power Off Backup
O
OL
OL
I/O
OL
OL
I
I
OL
I
I
OL
SO
OL
OL
SI
I
OL
SCK
OL
OL
O
OL
OL
O
OL
OL
O
OL
OL
O
OL
OL
O
OL
OL
O
OL
OL
O
OL
OL
VSS
VSS
VSS
VCC
VCC
VCC
I
I
OL
I
I
OL
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
I
I
OL
I
I
OL
I
I
I
I
I
OL
O
OL
OL
I
I
OL
O
OL
OL
I
I
OL
O
OL
OL
O
OL
OL
O
OL
OL
I
I
OL
O
OL
OL
SO
OL
OL
---
---
---
SI
I
OL
---
---
---
SCK
OL
OL
O
OL
OL
SO
OL
OL
O
OL
OL
SCK
OL
OL
O
OL
OL
O
OL
OL
I
I
OL
I
I
OL
I
I
I
---
---
HI
---
---
HI
---
---
HI
---
---
HI
30
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