Sony STR-DE445 - Page 22

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1 VDD1 — Power supply. (+5v.)
2 RAMCEN O External RAM chip select output.
3, 4 RAM16, 15 O External RAM address data output. (Not used.)
5 – 7 SDIB0 – 2 I PCM input to sub DSP. (Not used.)
8 XI I Xta’l 12.288MHz input.
9 XO O Not used.
10 VSS — Ground.
11 AVDD — Power supply. (+3.3v)
12 SDIB3 O PCM input to sub DSP. (Not used.)
13, 14 TEST — Test terminal.(Not used.)
15 OVFB O Sub DSP over fllow detect. (Not used.)
16 DTS DATA O DTS data detect. (Not used.)
17 AC3 DATA O AC-3 data detect. (Not used.)
18 SDOB3 O PCM output from Sub DSP. Not used.
19 CPO O Output for PLL.Connected to external analog filter.
20 AVSS — Ground.
21 VDD2 — Power supply. (+3.3v.)
22 – 24 SDOA2 – 0 O PCM output from Main DSP. (Not used.)
25 – 29 RAMA14 – 10 O External RAM address data output.
30 VSS — Ground.
31 VDD1 — Power supply. (+5v.)
32 – 39 OPORT0 – 7 O Not used.
40 VSS — Ground.
41 VDD2 — Power supply. (+3.3v)
42 – 44 RAMA9 – 7 O External RAM address data output.
45 – 47 SDOB2-0 O PCM output from Sub DSP.
48 SDBCK1 I Bit clock input for SDOA, SDIB, SDOB. (Not used.)
49 SDWCK1 I Word clock input for SDOA, SDIB, SDOB. (Not used.)
50 VSS — Ground.
51 VDD2 — Power supply. (+3.3v.)
52 NONPCM O Non-PCM data detect. (Not used.)
53 CRC O AC-3 CRC error detect.(Not used.)
54 MUTE O Auto mute detect.(Not used.)
55 KARAOKE O AC-3 karaoke data detect. (Not used.)
56 SURENC O AC-3 2/0 mode dolby surround encode input detect. (Not used.)
57 SDBCKO O SDBCK0 inverter clock output. (Not used.)
58, 59 RAMA6, 5 O External SRAM address data output.
60 VSS — Ground.
61 RAMA4 O External SRAM address data output.
62 IC I Initial clear.
63 TEST — Test terminal. (Not used.)
64 RAMA3 O External SRAM address data output.
65 CSB I Chip select input for Sub DSP.
66 CSB I Microcomputer interface chip select input.
67 SO O Microcomputer interface data output.
68 SI I Microcomputer interface data input.
69 SCK I Microcomputer interface clock input.
70 RAMA2 O External SRAM address data output.
Pin No. Pin Name I/O
Function
• IC1006 CXD9511AQ Audio DISP (DIGITAL BOARD)