Sony STR-DB2000 Service Manual

81
STR-DA2000ES/DB2000
Pin No. Pin Name I/O Description
46 VDDE
—
Power supply terminal (+3.3V)
47 WMD1
I
External memory wait mode setting terminal Fixed at “H” in this set
48 VSS
—
Ground terminal
49 WMD0
I
External memory wait mode setting terminal Fixed at “H” in this set
50 PAGE2
O
External memory page selection signal output terminal Not used
51 VSS
—
Ground terminal
52, 53 PAGE1, PAGE0
O
External memory page selection signal output terminal Not used
54 BOOT
I
Boot mode control signal input terminal Not used
55 TST1
O
Output terminal for the test Not used
56 BST
I
Boot strap signal input from the main system controller
57 MOD1
I
Operation mode setting terminal “L”: enhanced mode, “H”: normal mode
Fixed at “H” in this set
58 MOD0
I
Operation mode setting terminal “L”: single chip mode, “H”: can not use
Fixed at “L” in this set
59 EXLOCK
I
PLL lock error signal and data error flag input from the digital audio interface receiver
60 VDDI
—
Power supply terminal (+2.6V)
61 VSS
—
Ground terminal
62, 63 A17, A16
O
Address signal output terminal Not used
64 to 66 A15 to A13
O
Address signal output to the S-RAM
67 GP10
O
Not used
68 GP9
O
Read ready signal output to the main system controller
69 GP8
I
Channel status bit 1 input from the digital audio interface receiver
70 VDDI
—
Power supply terminal (+2.6V)
71 VSS
—
Ground terminal
72 to 75 D15 to D12
I/O
Two-way data bus with the S-RAM
76 VDDE
—
Power supply terminal (+3.3V)
77 to 80 D11 to D8
I/O
Two-way data bus with the S-RAM
81 VSS
—
Ground terminal
82 to 85 A9, A12 to A10
O
Address signal output to the S-RAM
86 TDO
O
Simplicity emulation data output terminal Not used
87 TMS
I
Simplicity emulation data input start and end terminal Not used
88 XTRST
I
Simplicity emulation non-sync break signal input terminal Not used
89 TCK
I
Simplicity emulation clock signal input terminal Not used
90 TDI
I
Simplicity emulation data input terminal Not used
91 VSS
—
Ground terminal
92 to 97 A8 to A3
O
Address signal output to the S-RAM
98, 99 D7, D6
I/O
Two-way data bus with the S-RAM
100 VDDI
—
Power supply terminal (+2.6V)
101 VSS
—
Ground terminal
102 to 105
D5 to D2
I/O
Two-way data bus with the S-RAM
106 VDDE
—
Power supply terminal (+3.3V)
107, 108 D1, D0
I/O
Two-way data bus with the S-RAM
109, 110 A2, A1
O
Address signal output to the S-RAM
111 VSS
—
Ground terminal
112 A0
O
Address signal output to the S-RAM
113 PM
I
PLL initialize signal input from the main system controller

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English