Read Sony STR-DA9000ES Service Manual online
127
STR-DA9000ES
•
DIGITAL BOARD IC2251 CXD9782R (DSP2)
Pin No.
Pin Name
I/O
Description
1
VDDI
—
Power supply terminal (+2.6V)
2
EXTIN
I
Master clock signal input terminal Not used
3, 4
WMD1, WMD0
I
External memory wait mode setting terminal Fixed at “H” in this set
5
MOD1
I
Operation mode setting terminal “L”: enhanced mode, “H”: normal mode
Fixed at “H” in this set
Fixed at “H” in this set
6
MOD0
I
Operation mode setting terminal “L”: single chip mode, “H”: can not use
Fixed at “L” in this set
Fixed at “L” in this set
7
VSS
—
Ground terminal
8
XRST
I
System reset signal input from the main system controller “L”: reset
9
VSS
—
Ground terminal
10
SCKOUT
O
Internal serial clock signal output terminal Not used
11
VDDI (PLL)
—
Power supply terminal (+2.6V) (for PLL)
12
SYNC
I
Sync/non-sync setting terminal “L”: sync, “H”: non-sync Fixed at “H” in this set
13 to 15
PAGE2 to PAGE0
O
External memory page selection signal output terminal Not used
16
PLOCK
O
Internal PLL lock signal output terminal Not used
17
BTACK
O
Boot mode state display signal output terminal Not used
18
VDDE
—
Power supply terminal (+3.3V)
19
VSS
—
Ground terminal
20 to 22
D31 to D29
I/O
Two-way data bus with the S-RAM
23
A17
O
Address signal output terminal Not used
24
VSS
—
Ground terminal
25, 26
SDO3, SDO4
O
Audio serial data output to the DC cut digital filter
27, 28
SDI1, SDI2
I
Audio serial data input from the DSP1
29
LRCKI1
I
L/R sampling clock signal (44.1 kHz) input from the DSP
30
VSS
—
Ground terminal
31, 32
D28, D27
I/O
Two-way data bus with the S-RAM
33
A16
O
Address signal output terminal Not used
34
A15
O
Address signal output to the S-RAM
35
SDI3
I
Audio serial date input from the DSP
36
L2
—
Not used
37
VDDI
—
Power supply terminal (+2.6V)
38
BCKI1
I
Bit clock signal (2.8224 MHz) input from the DSP
39
SDI4
I
Audio serial data input from the DSP
40
MS
I
Master/slave setting terminal “L”: internal clock, “H”: external clock
Fixed at “L” in this set
Fixed at “L” in this set
41, 42
A14, A13
O
Address signal output to the S-RAM
43, 44
D26, D25
I/O
Two-way data bus with the S-RAM
45
VSS
—
Ground terminal
46
BCKI2
I
Bit clock signal (2.8224 MHz) input terminal Not used
47, 48
FS2, FS1
I
Sampling frequency selection signal input terminal Not used
49
SPDIF
I
SPDIF signal input terminal Not used
50
A12
O
Address signal output to the S-RAM
51 to 53
D24 to D22
I/O
Two-way data bus with the S-RAM
54
VDDE
—
Power supply terminal (+3.3V)
55
VSS
—
Ground terminal