Ic503 : Pm4007A (Dsp P.c.b.); Ac-3 Rf Demodulator - Yamaha RX-V3000RDS Service Manual

RX-V3000/RX-V3000RDS

IC503 : PM4007A (DSP P.C.B.)

AC-3 RF Demodulator

AVDD
CPIN
CMIN
AGND
TM4
VDD
DIN
DOUT
DOUTB
C9M
GND
WINGT
SYST0
SYST1
ADST0
ADST1
TM5
BUNRI
AGND
AVDD
No. Name I/O
1 GND
2 VDD
3 RESET I
4 OSCON I
5 DATA I
6 MCK I
7 MLTB I
8 IDST O
9 IDCK O
10 IDO O
11 TM0 I
12 ECCK O
13 DEN O
14 DRY O
15 MSYC O
16 TM1 I
17 A0 O
18 A1 O
19 A2 O
20 A3 O
21 A4 O
22 A5 O
23 TM2 I
24 TM3 I
25 XOUT O
26 XIN I
27 XEXT I
28 GND
29 VDD
37
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Ground (0V)
+5V power supply
System resetting terminal (reset at "L")
Oscillation control terminal. Oscillation ON at "H", set to "H" normally and to "L" when in standby state
IC test terminal, normally connected to ground (or unconnected)
IC test terminal, normally connected to ground (or unconnected)
IC test terminal, normally connected to ground (or unconnected)
Output terminal for IC test
Output terminal for IC test
Output terminal for IC test
IC test terminal, normally connected to ground (or unconnected)
Output terminal for IC test
Output terminal for IC test
Output terminal for IC test
Output terminal for IC test
IC test terminal, normally connected to ground (or unconnected)
External RAM address output. Address 0 (LSB)
External RAM address output. Address 1
External RAM address output. Address 2
External RAM address output. Address 3
External RAM address output. Address 4
External RAM address output. Address 5
IC test terminal, normally connected to ground (or unconnected)
IC test terminal, normally connected to ground (or unconnected)
Output terminal for IC test
IC test terminal, normally connected to ground (or unconnected)
IC test terminal, normally connected to ground (or unconnected)
Ground terminal (0V)
+5V power supply
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
Function
DB1
DB2
DB3
DB4
DB5
DB6
DB7
A10
OEB
A11
GND
A9
A8
A13
WEB
A14
A12
VDD
GND
A7