Sony STR-K4800P - A/v Receiver, Руководство по обслуживанию

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STR-DE497P/K4800P/K5800P
• IC Pin Descriptions
IC1201 CXD9617R (DSP) (DIGITAL Board (1/2))
Pin No. Pin Name I/O Pin Description
1 VSS — Ground
2 XRST I Reset signal input from SYSTEM CONTROL IC
3 EXTIN I Not used (Connect to ground)
4 FS2 I Not used (Connect to ground)
5 VDDI I Power supply pin (+2.6 V)
6 FS1 I Not used (Connect to ground)
7 PLOCK O Not used (Open)
8 VSS — Ground
9 MCLK1 I Clock signal input (13.59 MHz)
10 VDDI I Power supply pin (+2.6 V)
11 VSS — Ground
12 MCLK2 O Clock signal output (13.59 MHz)
13 MS I Not used (Connect to ground)
14 SCKOUT O Internal system clock signal output for CODEC IC
15 LRCKI1 I Not used (Open)
16 VDDE I Power supply pin (+3.3 V)
17 BCKI1 I Not used (Open)
18 SDI1 I Audio IF data input from CODEC IC
19 LRCKO O Sampling clock signal output for CODEC IC
20 BCKO O Bit clock signal output for CODEC IC
21 VSS — Ground
22 KFSIO I/O Audio clock signal (384fs/256fs) input/output for DIR IC
23 to 25 SDO1 to SDO3 O Digital audio serial data output for CODEC IC
26 SDO4 O Not used (Open)
27 SPDIF O Not used (Open)
28 LRCKI2 I Sampling clock signal input from DIR IC
29 BCKI2 I Bit clock signal input from DIR IC
30 SDI2 I Digital audio serial data input from DIR IC
31 VSS — Ground
32 HACN O Acknowledge signal output for SYSTEM CONTROL IC
33 HDIN I Serial data input from SYSTEM CONTROL IC
34 HCLK I Clock signal input from SYSTEM CONTROL IC
35 HDOUT O Serial data output for SYSTEM CONTROL IC
36 HCS I Chip select signal input from SYSTEM CONTROL IC
37 SDCLK O Not used (Open)
38 CLKEN O Not used (Open)
39 RAS O Not used (Open)
40 VDDI I Power supply pin (+2.6 V)
41 VSS — Ground
42 CAS O Not used (Open)
43 DQM/OE0 O Not used (Open)
44 CS0 O External memory chip select signal output for D/A converter IC (SDRAM)
45 WE0 O SDRAM write enable signal output for D/A converter IC (SDRAM)
46 VDDE I Power supply pin (+3.3 V)
47 WMD1 I Not used (Fixed at H)
48 VSS — Ground
49 WMD0 I Not used (Fixed at H)
50 PAGE2 O Not used (Open)
51 VSS — Ground
52, 53 PAGE1, PAGE0 O Not used (Open)
54 BOOT I Not used (Connect to ground)
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