80
SCD-XA9000ES
•
MAIN BOARD IC801 CXD2753R (DSD DECODER)
Pin No.
Pin Name
I/O
Description
1
VSCA0
—
Ground terminal (for core)
2
XMSLAT
I
Serial data latch pulse signal input from the CPU
3
MSCK
I
Serial data transfer clock signal input from the CPU
4
MSDATI
I
Serial data input from the CPU
5
VDCA0
—
Power supply terminal (+2.5V) (for core)
6
MSDATO
O
Serial data output to the CPU
7
MSREADY
O
Ready signal output to the CPU “L”: ready
8
XMSDOE
O
Serial data output enable signal output terminal Not used
9
XRST
I
Reset signal input from the I/O expander “L”: reset
10
SMUTE
I
Soft muting on/off control signal input from the CPU “H”: muting on
11
MCKI
I
Master clock signal (33.8688 MHz) input terminal
12
VSIOA0
—
Ground terminal (for I/O)
13
EXCKO1
O
External clock 1 signal output terminal Not used
14
EXCKO2
O
External clock 2 signal output terminal Not used
15
LRCK
O
L/R sampling clock signal (44.1 kHz) output terminal Not used
16
F75HZ
O
Not used
17
VDIOA0
—
Power supply terminal (+3.3V) (for I/O)
18 to 25
MNT0 to MNT7
O
Monitor signal output terminal Not used
26
TCK
I
Clock signal input terminal for the test (normally: fixed at “L”)
27
TDI
I
Input terminal for the test (normally: open)
28
VSCA1
—
Ground terminal (for core)
29
TDO
O
Output terminal for the test (normally: open)
30
TMS
I
Input terminal for the test (normally: open)
31
TRST
I
Reset terminal for the test (normally: fixed at “L”)
32 to 34 TEST1 to TEST3
I
Input terminal for the test (normally: fixed at “L”)
35
VDCA1
—
Power supply terminal (+2.5V) (for core)
36
UBIT
O
Monitor terminal relative to DST Not used
37
XBIT
O
Monitor terminal relative to DST Not used
38 to 41
SUPDT0 to
SUPDT3
O
Supplementary data output terminal Not used
42
VSIOA1
—
Ground terminal (for I/O)
43, 44
SUPDT4, SUPDT5
O
Supplementary data output terminal Not used
45
VDIOA1
—
Power supply terminal (+3.3V) (for I/O)
46, 47
SUPDT6, SUPDT7
O
Supplementary data output terminal Not used
48
SUPEN
O
Supplementary data enable signal output terminal Not used
49
VSCA2
—
Ground terminal (for core)
50
DSAEXR
O
Not used
51, 52
TEST4, TEST5
I
Input terminal for the test (normally: fixed at “L”)
53
NC
O
Not used
54
VDCA2
—
Power supply terminal (+2.5V) (for core)
55
DSADML
O
DSD data output terminal for L-ch down mix Not used
56
DSADMR
O
DSD data output terminal for R-ch down mix Not used
57
BCKASL
I
Input/output selection signal input terminal of bit clock signal (2.8224 MHz) for DSD data output
“L”: input (slave), “H”: output (master) Fixed at “L” in this set
58
VSDSD0
—
Ground terminal (for DSD data output)
59
BCKAI
I
Clock signal (5.6448 MHz) input terminal