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4-1. IC Pin Function Descriptions
• IC115 CXD9617R (AUDIO DSP) (DIGITAL BOARD)
Pin No.
Pin Name
1
VSS
2
XRST
3
EXTIN
4
FS2
5
VDD1
6
FS1
7
PLOCK
8
VSS
9
MCLK1
10
VDD1
11
VSS
12
MCLK2
13
MS
14
SCKOUT
15
LRCKI1
16
VDDE
17
BCKI1
18
SDI1
19
LRCKO
20
BCKO
21
VSS
22
KFSIO
23 to 25
SDO1 to SDO3
26
SDO4
27
SPDIF
28
LRCKI2
29
BCKI2
30
SDI2
31
VSS
32
HACN
33
HDIN
34
HCLK
35
HDOUT
36
HCS
37
SDCLK
38
CLKEN
39
RAS
40
VDDI
41
VSS
42
CAS
43
DQM/OE0
44
CSO
45
WEO
46
VDDE
47
WMD1
48
VSS
49
WMD0
50
PAGE2
51
VSS
52
PAGE1
SECTION 4
DIAGRAMS
I/O
—
Ground terminal
I
Rest input from the system control
I
Not used (connected to ground)
I
Not used (connected to ground)
—
Power supply (+2.5V)
I
Not used (connected to ground)
O
Not used (open)
—
Ground terminal
I
Clock input (13.5MHz)
—
Power supply (+2.5V)
—
Ground terminal
O
Clock output (13.5MHz)
I
Not used (connected to ground)
O
Internal system clock output to AK4527B
I
Not used (open)
—
Power supply (+3.3V)
I
Not used (open)
I
Serial data input from AK4527B
O
Sampling clock output to AK4527B
O
Bit clock output to AK4527B
—
Ground
I
Audio clock (384fs/256fs) input from LC89056W
O
Serial data output to AK4527B
O
Not used (open)
O
Not used (open)
I
Sampling clock input from LC89056W
I
Bit clock input from LC89056W
I
Serial data input from LC89056W
—
Ground
O
Acknowledge output to MB90478
I
Serial data input from MB90478
I
Clock input from MB90478
O
Serial data output to MB90478
I
Chip selection input from MB90478
O
Not used (open)
O
Not used (open)
O
Not used (open)
—
Power supply (+2.5V)
—
Ground
O
Not used (open)
O
Not used (open)
O
Chip selection output to the SRAM
O
Write enable output to the SRAM
—
Power supply (+3.3V)
I
Not used (connected to ground)
—
Ground
I
Not used (connected to VDD)
O
Not used (open)
—
Ground
O
Not used (open)
Description
STR-LV500
9
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