39
STR-DB900
DIGITAL BOARD IC202 MB91354APMT-G-104-BNDE1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
DSP-DO
I
DSP serial data signal input from CXD9718Q
2
XDSP-RST
O
DSP reset signal output to CXD9718Q
3
DSP-PM
O
DSP PM signal output to CXD9718Q
4
XDSP-CS
O
DSP chip select signal output to CXD9718Q
5
DSP-HACN
I
DSP acknowledge signal input from CXD9718Q
6
DSP-BST
O
DSP BST signal output to CXD9718Q
7
DSP-GP9
I/O
DSP audio signal input/output to CXD9718Q
8
DSP-BSTSEL
O
DSP BST select signal output
9
DSP-GP12
O
DSP GP data signal output to CXD9718Q
10
NO-USE
—
Not used. (Connected to ground)
11
DIR-DI
O
DIR serial data signal output to LC89056W
12
DIR-CLK
O
DIR serial clock signal output to LC89056W
13
DIR-ZERO
I
DIR zero signal input to LC89056W
14
DIR-ERR
I
DIR error signal input
15
DIR-CE
O
DIR chip enable signal output to LC89056W
16
DIR-STAT
I
DIR start signal input from LC89056W
17
VSS
—
Ground
18
VCC
—
Power supply (+3.3V)
19
SD12-SEL
O
SACD select signal output
20
XDIR-MODE
O
DIR reset signal output to LC89056W
21
XDIR-DO
I
DIR serial data signal input from LC89056W
22
DIR-CLKSEL1
O
DIR CK select signal output to LC89056W
23
NO-USE
—
Not used. (Connected to ground)
24
DAMP-DATA
O
Serial data output for digital amp
25
DAMP-CLK
O
Serial clock output for digital amp
26
XDAMP-RST
O
Reset signal output for digital amp
27
XDAMP-NSMUTE
O
NS mute signal output for digital amp
28
DAMP-CS1-L/R
O
Chip select signal output 1 for L/R digital amp
29
DAMP-CS2-C/SW
O
Chip select signal output 2 for C/SW digital amp
30
DAMP-CS3-SL/SR
O
Chip select signal output 3 for SL/SR digital amp
31
DAMP-CS4-SB
O
Chip select signal output 4 for SB digital amp
32
XDAMP-EN
O
Enable signal output for digital amp
33
XDAMP-PROTECT
I
Protect signal input for digital amp
34
NO-USE
—
Not used. (Connected to ground)
35
VSS
—
Ground
36
VCC
—
Power supply (+3.3 V)
37
HP-SW
I
Headphone switch signal input
38
RELAY
O
Subwoofer mute signal output
39
HP-RY-501
I
Headphone mute signal output
40
NO-USE
—
Not used. (Connected to ground)
41
DSEL-RL
I
Not used. (Pull down)
42
RL-DETECT/RL
I
Not used. (Pull down)
43
DSEL-B
O
Digital input select signal output
44
DSEL-A
O
Digital input select signal output
45
DAVS
—
Ground
46
DAVC
—
Power supply (+3.3 V)
47
V-CONT
O
Voltage control signal output
Summary of Contents for STR-DB900
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