Sharp CD-DD4500 Service Manual page 59

IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) (2/2)
Pin No.
Terminal Name
52 CE
53 VDD
54 IO7
55 IO6
56 IO5
57 IO4
58 IO3
59 IO2
60 IO1
61 IO0
62 VSS
63 AD0
64 AD1
65 AD2
66 AD3
67 AD4
68 AD5
69 AD6
70 AD7
71 VDD
72 AD8
73 AD9
74 AD10
75 AD11
76 AD12
77 AD13
78 AD14
79 AD15
80 AD16
81 VSS
82 PO0
83 PO1
84 PO2
85 PO3
86* PO4
87* PO5
88* PO6
89* PO7
90 VDDDL
91 LPFO
92* DLON
93* DLCKS
94 SCKO
95 VSSDL
96 SCKI
97 VSSX
98 XO
99 XI
100 VDDX
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Output External SRAM chip enable signal output terminal.
Input Digital power supply terminal.
Input/Output External SRAM data I/O terminal 7.
Input/Output External SRAM data I/O terminal 6.
Input/Output External SRAM data I/O terminal 5.
Input/Output External SRAM data I/O terminal 4.
Input/Output External SRAM data I/O terminal 3.
Input/Output External SRAM data I/O terminal 2.
Input/Output External SRAM data I/O terminal 1.
Input/Output External SRAM data I/O terminal 0.
— Digital ground terminal.
Output External SRAM address output terminal 0.
Output External SRAM address output terminal 1.
Output External SRAM address output terminal 2.
Output External SRAM address output terminal 3.
Output External SRAM address output terminal 4.
Output External SRAM address output terminal 5.
Output External SRAM address output terminal 6.
Output External SRAM address output terminal 7.
Input Digital power supply terminal.
Output External SRAM address output terminal 8.
Output External SRAM address output terminal 9.
Output External SRAM address output terminal 10.
Output External SRAM address output terminal 11.
Output External SRAM address output terminal 12.
Output External SRAM address output terminal 13.
Output External SRAM address output terminal 14.
Output External SRAM address output terminal 15.
Output External SRAM address output terminal 16.
— Digital ground terminal.
Output General-purpose output terminal 0.
Output General-purpose output terminal 1.
Output General-purpose output terminal 2.
Output General-purpose output terminal 3.
Output General-purpose output terminal 4.
Output General-purpose output terminal 5.
Output General-purpose output terminal 6.
Output General-purpose output terminal 7.
Input Power supply terminal for DLL.
Output LPF output terminal for DLL.
Input DLCKS terminal
"L"
"L"
Input
"H"
"H"
Output ASP clock output terminal.
— Ground terminal for DLL.
Input External system clock input terminal.
— Ground terminal for crystal oscillation circuit.
Output Crystal oscillation output terminal.
Input Crystal oscillation input terminal.
Input Power supply terminal for crystal oscillation circuit.
Function
DLON terminal DLL clock setting
"L" SCKI input. (DLL circuit off)
"H" Quadruple of XI clock
"L" Triple of XI clock
"H" Sextuple ofXI clock
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CD-DD4500