Sony STR-DB900 - System Control IC202 Pinout

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
8DSP-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