Yamaha DSP-AX1/RX-V1 Service Manual page 42

DSP-AX1/RX-V1
IC1 : M30624FGFP (P.C.B. DSP)
µ
16 bit -COM (Sub CPU)
No. PORT Name
1 P96 /CSA2 CS for AC3D2av
2 P95 /CSA1 CS for AC3Dav
3 TB4IN DBL DIR5 Double Rate
4 P93 /CSD CS for DIR5
5 SOUT SDM Tx for AC3Dav/AC3D2av/DIR5
6 SIN SDD Rx for AC3Dav/AC3D2av/DIR5
7 CLK3 SCK CLK for AC3Dav/AC3D2av/DIR5
8 BYTE BYTE Single Chip Mode : VSS
9 CNVSS CNVSS Single Chip Mode : VSS, Flush Write : VCC
10 P87 NC –
11 P86 NC –
12 /RESET /RST Reset from Main
13 XOUT XOUT 16MHz
14 VSS GND GND
15 XIN XIN 16MHz
16 VCC VCC +5V
17 P85 /NMI +5V
18 INT2 NPCM AC3D2av Non PCM
19 INT1 ERRA AC3D2av Mute
20 INT0 IRQD DIR5 IRQ
21 P81 NC –
22 P80 /ICD IC for AC3Dav/DIR/DA/AD/DEM
23 P77 96SL fs 96kHz Select (Hi : 96kHz)
24 P76 /DMT Digital Full Mute
25 P75 NC –
26 P74 TRQ CPU I/F Request
27 P73 MCWC CPU I/F Word Clock
28 CLK2 MCBC CPU I/F Bit Clock
29 RXD2 MTS CPU I/F Main to Sub
30 TXD2 STM CPU I/F Sub to Main
31 TXD1 TXFL Tx for Flash
32 RXD1 RXFL Rx for Flash
33 CLK1 CLKFL CLK for Flash
34 RTS1 BSYFL BUSY for Flash
35 P63 –
36 P62 –
37 P61 –
38 P60 –
39 P57 /WT62 DSP6 #2 Wait
40 P56 /WT61 DSP6 #1 Wait
41 P55 /EPM GND for Flash
42 P54 /CS62 DSP6 #2 Chip Select
43 P53 /CS61 DSP6 #1 Chip Select
44 P52 /WR6 DSP6 Write Enable
45 P51 /RD6 DSP6 Read Enable
46 P50 /CE +5V for Flash
47 P47 CA7 DSP6 Address Bus 7
48 P46 CA6 DSP6 Address Bus 6
49 P45 CA5 DSP6 Address Bus 5
50 P44 CA4 DSP6 Address Bus 4
41
Function I/O No.
O 51
O 52
I 53
O 54
TXD 55
RXD 56
CLK 57
58
59
OL 60
OL 61
RST 62
63
64
65
66
I 67
IRQ 68
IRQ 69
IRQ 70
OL 71
O 72
O 73
O 74
OL 75
O 76
O 77
CLK 78
RXD 79
TXD 80
TXD 81
RXD 82
CLK 83
RTS 84
OL 85
OL 86
OL 87
OL 88
I 89
I 90
I 91
O 92
O 93
O 94
O 95
I 96
O 97
O 98
O 99
O 100
PORT Name Function
P43 CA3 DSP6 Address Bus 3
P42 CA2 DSP6 Address Bus 2
P41 CA1 DSP6 Address Bus 1
P40 CA0 DSP6 Address Bus 0
P37 CD15 DSP6 Data Bus 15
P36 CD14 DSP6 Data Bus 14
P35 CD13 DSP6 Data Bus 13
P34 CD12 DSP6 Data Bus 12
P33 CD11 DSP6 Data Bus 11
P32 CD10 DSP6 Data Bus 10
P31 CD9 DSP6 Data Bus 9
VCC VCC +5V
P30 CD8 DSP6 Data Bus 8
VSS VSS GND
P27 CD7 DSP6 Data Bus 7
P26 CD6 DSP6 Data Bus 6
P25 CD5 DSP6 Data Bus 5
P24 CD4 DSP6 Data Bus 4
P23 CD3 DSP6 Data Bus 3
P22 CD2 DSP6 Data Bus 2
P21 CD1 DSP6 Data Bus 1
P20 CD0 DSP6 Data Bus 0
INT5 /IRQ62 DSP6 #2 IRQ
P16 –
INT3 /IRQ61 DSP6 #1 IRQ
P14 /IC6 DSP6 Initial Clear
P13 –
P12 –
P11 –
P10 –
P07 –
P06 –
P05 –
P04 –
P03 –
P02 –
P01 –
P00 –
P107 –
P106 –
P105 –
P104 MUTO RF DEM MUTO
P103 CXCA CABLE Coaxial
P102 CXDV DVD Coaxial
P101 CXCD CD Coaxial
AVSS AVSS GND for Analog
AN0 –
VREF VREF Reference voltage for AD
AVCC AVCC Power supply for Analog
P97 /CSAS CS for AC3D2av Sub DSP
I/O
O
O
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
IRQ
OL
IRQ
O
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
I
I
I
I
I
AD
O