Yamaha RX-V1500 Service Manual page 56

RX-V1500/DSP-AX1500
IC520 : M30805SGP (FUNCTION P.C.B)
16bit µ-COM (Main CPU)
P10/D8 109
P07/D7 110
P06/D6 111
P05/D5 112
P04/D4 113
P114 114
P113 115
P112 116
P111 117
P110 118
P03/D3 119
P02/D2 120
P01/D1 121
P00/D0 122
P157 123
P156 124
P155 125
M30805SGP
P154 126
P153 127
P152 128
P151 129
Vss 130
P150 131
Vcc 132
P107/AN7/KI3 133
P106/AN6/KI2 134
P105/AN5/KI1 135
P104/AN4/KI0 136
P103/AN3 137
P102/AN2 138
P101/AN1 139
Avss 140
P100/AN0 141
Vref 142
Avcc 143
P97/Adtrg/RxD4/SCL4/STxD4 144
8
I/O Port
Port P0
Internal Peripheral Functions
Timer
Timer TA0 (16 bits)
Timer TA1 (16 bits)
Timer TA2 (16 bits)
Timer TA3 (16 bits)
Timer TA4 (16 bits)
Timer TB0 (16 bits)
Timer TB1 (16 bits)
Timer TB2 (16 bits)
Timer TB3 (16 bits)
Timer TB4 (16 bits)
Timer TB5 (16 bits)
Watchdog Timer
(15 bits)
D-A Converter
(8 bits x 2 channels)
56
72 P44/CS3/A20
71 P45/CS2/A21
70 P46/CS1/A22
69 P47/CS0/A23
68 P125
67 P126
66 P127
65 P50/WRL/WR/CASL
64 P51/WRH/BHE/CASH
63 P52/RD/DW
62 P53/BCLK/ALE/CLKout
61 P130
60 P131
59 Vcc
58 P132
57 Vss
56 P133
55 P54/HLDA/ALE
54 P55/HOLD
53 P56/ALE/RAS
52 P57/RDY
51 P134
50 P135
49 P136
48 P137
47 P60/CTS0/RTS0
46 P61/CLK0
45 P62/RXD0
44 P63/TXD0
43 P64/CTS1/RTS1/CTS0/CLKS1
42 P65/CLK1
41 Vss
40 P66/RXD1
39 Vcc
38 P67/TXD1
37 P70/TXD2/SDA/TA0out
8 8 8 8 8 8
Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
A-D Converter (10 bits x 8 channels, System Clock Generator
Expendable up to 10 channels)
X IN - X OUT
X CIN - X COUT
UART/ Clock Synchronous
SI/O (8 bits x 5 channels)
Memory
X-Y Converter
(16 bits x 16 bits)
RAM
24K
CRC arithmetic Circuit (CCITT)
(Polynomial: X16+X12+X5+1)
M16C/80 Series 16-bit CPU core
Registers DRAM
FLG
Controller
R0H R0L
R0H R0L
INTB
R1H R1L
R1H R1L
ISP
R2 DRAM
R2
USP
Controller
R3
R3
PC
SVP
A0
VCT Multiplier
A1 SVF
SVP
FB SVP
VCT
SB VCT
Port P15 Port P14 Port P13 Port P12 Port P11
8 7 8 8 5
IC520 : M30805SGP (FUNCTION P.C.B)
16bit µ-COM (Main CPU)
Pin Pin function Function Name Detail of function
1 P96/ANEX1/TxD4/SDA4/SRxD4 TxD4 TXDR 232C TX data / YDC TX data
2 P95/ANEX0/CLK4 CLK4 RTS 232C RTS / YDC clock
3 P94/DA1/TB4in/CTS4/RTS4/SS4 P94 CTS 232C CTS
4 P93/DA0/TB3in/CTS3/RTS3/SS3 DA0 FAN Fan control
5 P92/TB2in/TxD3/SDA3/SRxD3 TxD3 SDTN None audio TX data
6 P91/TB1in/RxD3/SCL3/STxD3 RxD3 RXRDS RDS RX data / Freq data (R ver)
7 P90/TB0in/CLK3 CLK3 SCKN None audio serial clock
8 P146 P146 CEB BU2092 CE / ZONE2 function
9 P145 P145 CES OSD CE / NTSC ? PAL format
10 P144 P144 RDSE RDS CE / RDS function
11 P143 P143 CEF FL CE / Model detect 0
12 P142 P142 /FLR FL IC reset / Model detect 1
13 P141 P141 RDTP PLL IC RX data
14 P140 P140 SDTP PLL IC TX data / Tuner exist
15 BYTE BYTE BYTE 16bit data bus: VSS
16 CNVss CNVss CNVss Processor mode choice
17 P87/Xcin P87 BT232C 232C boot signal / 6ch input key
18 P86/Xcout P86 BTYDC YDC boot signal (Flash ROM write)
19 RESET RESET /RES Reset
20 Xout Xout XOUT Clock out
21 Vss Vss VSS Ground
22 Xin Xin XIN Clock in
23 Vcc Vcc VCC +5V
24 P85/NMI NMI NMI Un-use (VCC with R)
25 P84/INT2 INT2 REM1 Remote controller pulse
26 P83/INT1 INT1 PSW Power SW
27 P82/INT0 INT0 PDET Power detect
28 P81/TA4in/U TA4in VSY Vertical sync pulse
29 P80/TA4out/U P80 /ICY IC YSS IC
30 P77/TA3in TA3in RXDR 232C RX data
31 P76/TA3out P76 DMT Digital full mute
32 P75/TA2in/W TA2in INTDSP DIR, TI (DA601) interrupt
33 P74/TA2out/W P74 VBIT Digital full mute rear L/R
34 P73/CTS2/RTS2/TA1in/V CTS2 CEP PLL IC CE / Tuner step 1
35 P72/CLK2/TA1out/V P72 SCKP PLL IC clock / Tuner step 0
36 P71/RxD2/SCL2/TA0in/TB5in SCL2 SCL IIC bus clock
37 P70/TxD2/SDA2/TA0out SDA SDA IIC bus data
38 P67/TxD1 TxD1 SDM DIR, TI (DA601), YSS930, DAC TX
39 Vcc Vcc VCC +5V
40 P66/RxD1 RxD1 SDD DIR, TI (DA601), YSS930, DAC RX
41 Vss Vss VSS Ground
42 P65/CLK1 CLK1 SCK DIR, TI (DA601), YSS930, DAC clock
43 P64/CTS1/RTS1/CTS0/CLKS1 P64 /CSY YSS930 CE
44 P63/TxD0 TxD0 DTEV E-Volume TX data
45 P62/RxD0 P62 CEEV E-Volume CE
46 P61/CLK0 CLK0 CKEV E-Volume clock
47 P60/CTS0/RTS0 P60 /CSTI TI (DA601) CE
48 P137 P137 /CSDIR DIR CE
49 P136 P136 INTFCT Interrupt factor DIR or TI (DA601)
50 P135 P135 /RCLK Recout SW control (ROHM) clock
51 P134 P134 /RTXD Recout SW control (ROHM) data
52 P57/RDY RDY /RDY +5V fix
53 P56/ALE/RAS ALE ALE Open
54 P55/HOLD HOLD /HOLD +5V fix
55 P54/HLDA/ALE HLDA HLDA Open
56 P133 P133 /CSDAC DAC CE
57 Vss Vss VSS Ground
58 P132 P132 /MIC Mic detect
59 Vcc Vcc VCC +5V
60 P131 P131 SPIRDY TI (DA601) Serial Ready
61 P130 P130 /ICD IC DIR IC
I/O On Off Backup
SO O OL OL
SCK I/O OL OL
I I I OL
DA-O I I OL
SO SO OL OL
SI SI I OL
SCK SCK OL OL
O / I O OL OL
O / I O OL OL
O / I O OL OL
O / I O OL OL
O / I O OL OL
I I I OL
O / I O OL OL
VSS VSS VSS VSS
VCC VCC VCC VCC
I (PU) I I OL
I I I OL
I - - -
OPEN - - -
VSS VSS VSS VSS
12MHz - - -
VCC VCC VCC VCC
VCC VCC VCC VCC
INT (LoEdge) I I OL
INT (HiEdge) I I OL
INT (LoEdge) I I I
Lo Edge I I OL
O O OL OL
Double Edge I I OL
O O OL OL
INT (LoEdge) I I OL
I I I OL
I / O O OL OL
I / O O OL OL
I / O I/O OL OL
I / O I/O OL OL
SO SO OL OL
VCC VCC VCC VCC
SI SI I OL
VSS VSS VSS VSS
SCK SCK OL OL
O O OL OL
SO SO OL OL
O O OL OL
SCK SCK OL OL
O O OL OL
O O OL OL
I I I OL
O O OL OL
O O OL OL
VCC VCC VCC VCC
OPEN OPEN OPEN OPEN
VCC VCC VCC VCC
OPEN OPEN OPEN OPEN
O O OL OL
VSS VSS VSS VSS
I I I OL
VCC VCC VCC VCC
I I I OL
O O OL OL