Yamaha RX-Z9 Service Manual page 91

IC27 : M30624FGNFP (DSP1 P.C.B.)
16 bit µ-COM (DSP CPU)
No. Port Name
1 P96/SOUT4 DTV
2 P95/CLK4 DVCK
3 P94/TB4in VBIT
4 P93/TB3in CSD
5 P92/SOUT3 SDMY
6 P91/SIN3 SDDY
7 P90/CLK3 SCKY
8 BYTE BYTE
9 CNVss MODE
10 P87/XCIN /CSY
11 P86/XCOUT /CSP
12 /RESET /RST
13 XOUT XOUT
14 Vss GND
15 XIN XIN
16 Vcc Vcc
17 P85/NMI /NMI
18 P84/INT2 UNLOCK
19 P83/INT1 /IRQD
20 P82/INT0 MTREQ
21 P81/TA4in 1394ERR
22 P80/TA4out /ICD
23 P77 MUTE
24 P76 FLWT
25 P75 MRQ
26 P74 TRQD
27 P73/RTS2 RTND
28 P72/CLK2 MCBC
29 P71/RXD2 MTS
30 P70/TXD2 STM
31 P67/TXD1 TXFL
32 P66/RXD1 RXFL
33 P65/CLK1 CLKFL
34 P64/RTS1 BSYFL
35 P63/TXD0 DT1394
36 P62/RXD0 1394TD
37 P61/CLK0 /1394CTS
38 P60/RTS0 RTNV
39 P57/RDY TRQV
40 P56/ALE /ICX
41 P55/HOLD /EPM
42 P54/HLDA 1394MUTE
43 P53/BCLK
44 P52/RD
45 P51/WRH MCSEL
46 P50/WRL /CE
47 P47/CS3 ADM0
48 P46/CS2 /ICAD
49 P45/CS1 /ICDA
50 P44/CS0 /CSDA
I/O Function
O
O
I
O
TXD
RXD
CLK
O
O
I
IRQ
IRQ
O
I
O
I
I
O
O
O
CLK
RXD
TXD
I
I
I
I
TXD
RXD
I
I
I
O
I
I
I
I
O
O
O
O
RX-Z9/DSP-Z9
91