Sony STR-DE885, Service Manual

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15
STR-DE885/DE985
1 VDDI — Power supply pin (+2.5 V)
2 EXTIN I Not used (connected to ground)
3, 4 WMD1, WMD0 I External memory wait mode setting signal input (connected to H)
5 MOD1 I Mode select signal input (L : 384fs, H : 256fs)
6 MOD0 I Mode select signal input (L : single chip mode, H : use prohibited)
7 VSS — Ground
8 XRST I Reset signal input
9 VSS — Ground
10 SCKOUT O Serial clock signal output
11 VDDI (PLL) — Power supply pin (+2.5 V) (for PLL)
12 SYNC I Sync/unsync select signal input (L : sync, H : unsync)
13 to 15 PAGE2 to PAGE0 O External memory page select signal output (Not used (open))
16 PLOCK O Internal PLL lock signal output
17 BTACT O Boot mode display signal output (Not used (open))
18 VDDE — Power supply pin (+3.3 V)
19 VSS — Ground
20 to 22 D31 to D29 I/O External memory data input/output (SRAM)
23 A17 O Address signal output (Not used (open))
24 VSS — Ground
25, 26 SDO3, SDO4 O Audio serial data output
27, 28 SDI1, SDI2 I Audio serial data input
29 LRCKI1 I L/R sampling clock signal input
30 VSS — Ground
31, 32 D28, D27 I/O External memory data input/output (SRAM)
33 A16 O Address signal output (Not used (open))
34 A15 O Address signal output (SRAM)
35 SDI3 I Audio serial data input
36 L2 O Not used (open)
37 VDDI — Power supply pin (+2.5 V)
38 BCKI1 I Bit clock signal input
39 SDI4 I Audio serial data input
40 MS I Master/slave operation select signal input (L : internal clock, H : EXTIN clock)
41, 42 A14, A13 O Address signal output (SRAM)
43, 44 D26, D25 I/O External memory data input/output (SRAM)
45 VSS — Ground
46 BCKI2 I Bit clock signal input (Not used (open))
47, 48 FS2, FS1 I Sampling frequency select signal input (connected to ground)
49 SPDIF O S/PDIF output (Not used (open))
50 A12 O Address signal output (SRAM)
51 to 53 D24 to D22 I/O External memory data input/output (SRAM)
54 VDDE — Power supply pin (+3.3 V)
55 VSS — Ground
56 to 58 D21 to D19 I/O External memory data input/output (SRAM)
59 A11 O Address signal output (SRAM)
60, 61 SDO1, SDO2 O Audio serial data output
62 KFSIO I/O Audio clock signal (384fs/256fs) input/output
63 LRCKO O L/R sampling clock signal output
64 BCKO O Bit clock signal output
65 VDDI — Power supply pin (+2.5 V)
66 VSS — Ground
67, 68 D18, D17 I/O External memory data input/output (SRAM)
69, 70 A10, A9 O Address signal output (SRAM)
• IC1551 CXD9616R (AUDIO DSP2) (DIGITAL Board (3/4))
Pin No. Pin Name I/O Pin Description