16 Bit Μ-Com (Cpu) - Yamaha RX-V757 Service Manual

IC451 : M30622MWP-xxxFP (SUBTRANS P.C.B.)
16 bit µ-COM (CPU)
P07/D7
P06/D6
P05/D5
P04/D4
P03/D3
P02/D2
P01/D1
P00/D0
P107/AN7/K13
P106/AN6/K12
P105/AN5/K11
P104/AN4/K10
P103/AN3
P102/AN2
P101/AN1
AVSS
P100/AN0
VREF
AVCC
P97/ADTRG/SIN4
No. Port Name
1 SOUT4 DTFD
2 CLK4 CKFD
3 DA1 LMIT
4 DA0 TRIG
5 SOUT3 SDM
6 SIN3 SDD
7 CLK3 SCK
8 BYTE BYTE
9 CNVss CNVss
10 P87 MUTETI
11 P86 TIBUSY
12 RESET /RESET
13 Xout Xout
14 Vss Vss
15 Xin Xin
16 Vcc Vcc
17 NMI NMI
18 INT2 /INTTI
19 INT1 /INTDIR
20 INT0 VSY
21 P81 /CSDIR
22 P80 /CSTI
23 P77 /CSDAC
24 P76 /ICDIR
25 P75 /ICTI
26 P74 SPIRDY
27 P73 /CEEEP
28 CLK2 CKZ2
29 P71 DRXM
30 TXD2 DTXM
31 TXD1 DTEV/TXDF
32 RXD1 XMPWR/RXDF
33 CLK1 CKEV/CLKF
34 P64 BSY
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O Function
SO FL Driver TxD
SO FL Driver CLOCK
DA Power limiter control
O DC Trigger control
SO DIR, TI (DA601), DAC TxD
SI DIR, TI (DA601) RxD
SO DIR, TI (DA601), DAC CLOCK
Vss Vss: when single chip mode is used
Vss/Vcc Vss: when single chip mode is used, Vcc: when flash writing is used
O TI (DA601) MUTE
I TI BUSY detect, /CDDA Writing DATA In
I Reset
Oscillator Out
Vss u-COM Ground
16MHz Oscillator In
Vcc(BU) u-COM Power Supply, +5V
Vcc(BU) Connect to Vcc because it is unused.
IRQ TI (DA601) INT
IRQ DIR INT
IRQ Vertical Synchronize Detect
O DIR CS
O IT (DA601) CS
O DAC CS
O DIR RESET
O TI (DA601) RESET
I TI (DA601) Serial Ready, /CDDA Writing WCK In
O EEPROM CE
O Zone2 Selector (BD3841) Clock
SI DABIC IC RxD
SO DABIC IC TxD
O/SO Electronic Volume IC DATA / AF220 DATA TxD
O/SO XM/DT BUS POWER CONTROL / Flash ROM RxD
SO Electronic Volume IC Clock / AF220 CLOCK TxD
O AF220 BUSY Signal Output
RX-V757/DSP-AX757/DSP-AX757SE
RX-V657/HTR-5860
50 P44/CS0
49 P45/CS1
P46/CS2
48
P47/CS3
47
46 P50/WRL/WR
P51/WRH/BHE
45
P52/RD
44
43 P53/BCLK
42 P54/HLDA
P55/HOLD
41
40 P56/ALE
39 P57/RDY/CLKOUT
P60/CTS0/RTS0
38
P61/CLK0
37
36 P62/RXD0
P63/TXD0
35
P64/CTS1/RTS1/CTS0/CLKS1
34
33 P65/CLK1
32 P66/RXD1
P67/TXD1
31
59