Yamaha RX-Z1 Service Manual page 62

RX-Z1/DSP-AZ1
IC17: M30624FGAFP (DSP P.C.B.)
16bit µ-COM (Sub CPU)
No. PORT Name
1 SOUT4 SDMF Tx for Fujitsu
2 CLK4 SCKF CLK for Fujitsu
3 TB4IN VBIT K-DIRS Validity (Event Timer Interrupt)
4 P93 /CSA CS for AK-DIR
5 SOUT3 SDMY Tx for YSS/PLD/DIR
6 SIN3 SDDY Rx for YSS/PLD/DIR
7 CLK3 SCKY CLK for YSS/PLD/DIR
8 BYTE BYTE GND
9 CNVSS MODE Control from Main CPU
10 P87 /CSY CS for YSS
11 P86 /CSP CS for PLD
12 /RESET /RST Reset from Main
13 XOUT XOUT 16MHz
14 VSS GND GND
15 XIN XIN 16MHz
16 VCC VCC +5V
17 /NMI /NMI +5V
18 INT2 IRQA1 AK-DIR INT1
19 INT1 IRQA0 AK-DIR INT0
20 INT0 IRQY YSS9x8 IPINT
21 P81 DIRINT YSS-DIR INT
22 P80 /ICD IC YSS/DIR/DA/DEM/PLD (only when resetting)
23 P77 /ICAD /IC ADC
24 P76 /DMT Digital Full Mute
25 P75 NC –
26 P74 TRQ CPU I/F Request
27 P73 RTN CPU I/F Return
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 / RS232C TXD
32 RXD1 RXFL Rx for Flash / RS232C RXD
33 CLK1 CLKFL CLK for Flash / RS232C CTS (PD)
34 RTS1 BSYFL BUSY for Flash / RS232C RTS
35 TXD0 –
36 RXD0 –
37 CLK0 –
38 P60 –
39 P57 –
40 P56 –
41 /EPM /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 /CE /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
61
P07/D7
81
P06/D6
82
P05/D5 83
P04/D4 84
P03/D3
85
P02/D2 86
P01/D1 87
P00/D0
88
P107/AN7
89
P106/AN6 90
P105/AN5 91
P104/AN4
92
P103/AN3
93
P102/AN2 94
P101/AN1 95
AVSS
96
P100/AN0 97
VREF 98
AVCC
99
P97/SIN4
100
Function I/O
TXD
CLK
I
O
TXD
RXD
CLK
O
O
I
IRQ
IRQ
IRQ
I
O
O
O
OL
O
O
CLK
RXD
TXD
I
I
I
I
OL
OL
OL
OL
OL
OL
I
O
O
O
O
O
O
O
O
No. PORT Name
51 P43 CA3 DSP6 Address Bus 3
52 P42 CA2 DSP6 Address Bus 2
53 P41 CA1 DSP6 Address Bus 1
54 P40 CA0 DSP6 Address Bus 0
55 P37 CD15 DSP6 Data Bus 15
56 P36 CD14 DSP6 Data Bus 14
57 P35 CD13 DSP6 Data Bus 13
58 P34 CD12 DSP6 Data Bus 12
59 P33 CD11 DSP6 Data Bus 11
60 P32 CD10 DSP6 Data Bus 10
61 P31 CD9 DSP6 Data Bus 9
62 VCC VCC +5V
63 P30 CD8 DSP6 Data Bus 8
64 VSS VSS GND
65 P27 CD7 DSP6 Data Bus 7
66 P26 CD6 DSP6 Data Bus 6
67 P25 CD5 DSP6 Data Bus 5
68 P24 CD4 DSP6 Data Bus 4
69 P23 CD3 DSP6 Data Bus 3
70 P22 CD2 DSP6 Data Bus 2
71 P21 CD1 DSP6 Data Bus 1
72 P20 CD0 DSP6 Data Bus 0
73 P17 /IRQ62 DSP6 #2 IRQ
74 P16 /IRQ61 DSP6 #1 IRQ
75 INT3 /IRQF Fujitsu INTREQ (Decode Defined)
76 P14 /IC6 DSP6 Initial Clear
77 P13 –
78 P12 –
79 P11 –
80 P10 –
81 P07 –
82 P06 –
83 P05 –
84 P04 –
85 P03 –
86 P02 –
87 P01 –
88 P00 –
89 KEY Virtual key Input
90 P106 /PRST PLL Reset for Fujitsu
91 P105 BST Boot Strap for Fujitsu
92 P104 ERRD DIR Unlock & Error for Fujitsu
93 P103 /PCM Non-PCM for Fujitsu
94 P102 HACK Fujitsu Host Acknowledge
95 P101 /ICF IC for Fujitsu
96 AVSS AVSS –
97 P100 /CSF CS for Fujitsu
98 VREF VREF –
99 AVCC AVCC –
100 SIN4 SDDF Rx for Fujitsu
P44/CS0
50
P45/CS1
49
48 P46/CS2
47 P47/CS3
P50/WRL
46
45 P51/WRH
44 P52/RD
P53/BCLK
43
P54/HLDA
42
41 P55/HOLD
40 P56/ALE
P57/RDY
39
P60/RTS0
38
37 P61/CLK0
36 P62/RXD0
P63/TXD0
35
34 P64/RTS1
33 P65/CLK1
P66/RXD1
32
P67/TXD1
31
Function 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
I
I
IRQ
O
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
AD
O
O
O
O
I
O
O
RXD