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IC503 : PM4007A (DSP P.C.B.)
AC-3 RF Demodulator
No.
Name
I/O
30
A6
O
External RAM address output. Address 6
31
A7
O
External RAM address output. Address 7
32
GND
Ground terminal (0V)
33
VDD
+5V power supply
34
A12
O
External RAM address output. Address 12
35
A14
O
External RAM address output. Address 14 (MSB)
36
WEB
O
External RAM write enable signal, active at "L"
37
A13
O
External RAM address output. Address 13
38
A8
O
External RAM address output. Address 8
39
A9
O
External RAM address output. Address 9
40
GND
Ground terminal (0V)
41
A11
O
External RAM address output. Address 11
42
OEB
O
External RAM output enable signal, active at "L"
43
A10
O
External RAM address output. Address 10
44
DB7
I/O
External RAM data terminal. Data bus 7
45
DB6
I/O
External RAM data terminal. Data bus 6
46
DB5
I/O
External RAM data terminal. Data bus 5
47
DB4
I/O
External RAM data terminal. Data bus 4
48
DB3
I/O
External RAM data terminal. Data bus 3
49
DB2
I/O
External RAM data terminal. Data bus 2
50
DB1
I/O
External RAM data terminal. Data bus 1
51
DB0
I/O
External RAM data terminal. Data bus 0
52
VDD
+5V power supply
53
GND
Ground terminal (0V)
54
TI1
I
IC test terminal, normally connected to VDD
55
VIN
I
VCXO input
56
VOUT
O
VCXO output
57
TI2
I
IC test terminal, normally connected to GND (or unconnected)
58
TI3
I
IC test terminal, normally connected to GND (or unconnected)
59
TLDB
I
IC test terminal, normally connected to GND (or unconnected)
60
TCK
I
IC test terminal, normally connected to GND (or unconnected)
61
TRP
O
Output terminal for IC test
62
TDO
O
Output terminal for IC test
63
PDO
O
Output terminal for phase comparator (tri-state)
64
TI4
I
IC test terminal, normally connected to GND (or unconnected)
65
PDDIS
I
Input terminal to control PDO output. Output ON at "L"
66
MUTO
O
Muting output. Muting available at "H". Setting becomes "H" when "MUTI=H" or AC-3 is asynchronous.
67
TI5
I
IC test terminal, normally connected to GND (or unconnected)
68
VLDY
O
Output terminal for IC test
69
DASYO
O
Output terminal for IC test
70
DAOUT
O
Digital out output (serial data stream output)
71
DAIN
I
Digital external input, through to DAOUT when DASEL is "H".
72
DASEL
I
Digital out select
73
TI8
I
IC test terminal, normally connected to GND (or unconnected)
74
C2F1
O
Terminal used to indicate error condition after C2 correction, whether completely corrected or not.
75
C2F0
O
Terminal used to indicate error condition after C2 correction, number of errors at C2.
76
C1F1
O
Terminal used to indicate error condition after C1 correction, whether any error exists at C1 or not.
77
C1F0
O
Terminal used to indicate error condition after C1 correction, number of errors at C1.
78
MUTI
I
Muting input. Muting available at "H"
79
VDD
+5V power supply
80
GND
Ground terminal (0V)
Function
DSP-AX2
36
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