Read Sony STR-DE685 Service Manual online
13
STR-DE685
SECTION 4
DIAGRAMS
1
VSS
—
Ground
2
XRST
I
Reset signal input
3
EXTIN
I
Not used (connected to ground)
4
FS2
I
Not used (connected to ground)
5
VDDI
I
Power supply
6
FS1
I
Not used (connected to ground)
7
PLOCK
O
Internal PLL lock signal output (Not used)
8
VSS
—
Ground
9
MCLK1
I
Clock signal input (13.5 MHz)
10
VDDI
I
Power supply
11
VSS
—
Ground
12
MCLK2
O
Clock signal output (13.5 MHz)
13
MS
I
Switching of master/slave operation L : internal clock, H : EXTIN clock is used
14
SCKOUT
O
Internal system clock signal output
15
LRCKI1
I
Not used (open)
16
VDDE
I
Power supply
17
BCKI1
I
Not used (open)
18
SDI1
I
Audio IF data input
19
LRCKO
O
Sampling clock output for digital audio serial data
20
BCKO
O
Bit clock output terminal for digital audio serial data
21
VSS
—
Ground
22
KFSIO
I/O
Audio clock signal (364fs/256fs) input/output
23 to 25
SDO1 to SDO3
O
Digital audio serial data output
26
SDO4
O
Audio IF serial output (Not used) (open)
27
SPDIF
O
Not used (open)
28
LRCKI2
I
Sampling clock input for audio serial data
29
BCKI2
I
Bit clock input terminal for audio serial data
30
SDI2
I
Digital audio data input
31
VSS
—
Ground
32
HACN
O
Acknowledge signal output for system control
33
HDIN
I
Serial data input for system control
34
HCLK
I
Clock input for system control
35
HDOUT
O
Serial data output for system control
36
HCS
I
Chip select input for system control
37
SDCLK
O
Not used (open)
38
CLKEN
O
Not used (open)
39
RAS
O
Not used (open)
40
VDDI
I
Power supply
41
VSS
—
Ground
42
CAS
O
Not used (open)
43
DQM/OE0
O
Not used (open)
44
CS0
O
External memory chip select (SRAM)
45
WE0
O
SRAM write enable output
46
VDDE
I
Power supply
47
WMD1
I
Not used (connected to “H”)
48
VSS
—
Ground
49
WIMD0
I
Not used (connected to ground)
50
PAGE2
O
Not used (open)
51
VSS
—
Ground
52
PAGE1
O
External memory page switching signal output (Not used)
53
PAGE0
O
External memory page switching signal output (Not used)
4-1. IC PIN DESCRIPTIONS
• IC1201 CXD9617R (DSP) (DIGITAL Board (1/2))
Pin No.
Pin Name
I/O
Description
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