16 Bit Μ-Com (Dsp Cpu) - Yamaha RX-Z9 Service Manual

RX-Z9/DSP-Z9
IC18 : PM4007A (DSP1 P.C.B.)
AC-3 RF Demodulator
No. Name I/O
81 AVDD
82 CPIN I
83 CMIN I
84 AGND
85 TM4 I
86 VDD
87 DIN I
88 DOUT O
89 DOUTB O
90 C9M O
91 GND
92 WINGT O
93 SYST0 O
94 SYST1 O
95 ADST0 O
96 ADST1 O
97 TM5 I
98 BUNRI I
99 AGND
100 AVDD
IC27 : M30624FGNFP (DSP1 P.C.B.)
16 bit µ-COM (DSP 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
90
+5V power supply for analog comparator
Analog comparator input, positive side (Non-reverse side: QPSK input)
Analog comparator input, negative side (reverse side)
Ground terminal for analog comparator (0V)
IC test terminal, normally connected to GND (or unconnected)
+5V power supply
IC test terminal, normally connected to GND (or unconnected)
Analog comparator result output
Analog comparator result reverse output
9.216MHz output, output divided into 2 at VIN (No.55 pin)
Ground terminal (0V)
Output for IC test
Output for IC test
Output for IC test
Output for IC test
Output for IC test
IC test terminal, normally connected to GND (or unconnected)
IC test terminal, normally connected to GND (or unconnected)
Ground terminal (0V) for 46.08MHz oscillator
+5V power supply for 46.08MHz oscillator
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Function
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
P44/CS0
P45/CS1
P46/CS2
P47/CS3
P50/WRL/WR
P51/WRH/BHE
P52/RD
P53/BCLK
P54/HLDA
P55/HOLD
P56/ALE
P57/RDY/CLKOUT
P60/CTS0/RTS0
P61/CLK0
P62/RXD0
P63/TXD0
P64/CTS1/RTS1/CTS0/CLKS1
P65/CLK1
P66/RXD1
P67/TXD1