Yamaha DSP-AX2 Service Manual page 33

IC501 : YSS928 (DSP P.C.B.)
AC3D3
No. Name I/O
1 XO O Crystal oscillator connecting terminal
2 XI I Crystal oscillator connecting terminal (24.576MHz )
3 SELI1 I+ Built-in selector input 1
4 SELI0 I+ Built-in selector input 0
5 SELOA O+ Built-in selector output A
6 SELOB O+ Built-in selector output B
7 TESTMS I+ Test terminal (unconnected)
8 TESTXEN I+ Test terminal (unconnected)
9 IPORT0 I+ General purpose input terminal
10 IPORT1 I+ General purpose input terminal
11 IPORT2 I+ General purpose input terminal
12 IPORT3 I+ General purpose input terminal
13 IPORT4 I+ General purpose input terminal
14 DDIN0 Is DIR: Digital audio interface data input terminal 0
15 DDIN1 Is DIR: Digital audio interface data input terminal 1/General purpose input terminal
16 DDIN2 Is DIR: Digital audio interface data input terminal 2/General purpose input terminal
17 DDIN3 Is DIR: Digital audio interface data input terminal 3/General purpose input terminal
18 VSS Ground terminal
19 CPO A PLL filter connecting terminal
20 AVDD +3.3V power terminal (for DIR)
21 DIRPCO A DIR: PLL filter connecting terminal
22 DIRPRO A DIR: PLL filter connecting terminal
23 AVSS Ground terminal (for DIR)
24 TESTBRK I+ Test terminal (unconnected)
25 TESTR1 I+ PLL initialization signal input terminal for DSP
26 TESTR2 I+ Test terminal (unconnected)
27 VDD1 +3.3V power terminal (for terminal section)
28 SDWCKI0 I+ Word clock input terminal for SDIA, SDOA, SDIB, SDOB interface
29 SDBCKI0 I+ Bit clock input terminal for SDIA, SDOA, SDIB, SDOB interface
30 /SDBCK0 O DIRBCK or SDBCKI0 invert clock output terminal
31 IPORT8 I+ IPINT general purpose input terminal
32 IPORT9 I+ IPINT general purpose input terminal
33 IPORT10 I+ IPINT general purpose input terminal
34 IPORT11 I+ IPINT general purpose input terminal
35 SDIA I AC-3/DTS bit stream (or PCM) data input terminal to Main DSP
36 SDOA2 O PCM output terminal from Main DSP (C/LFE output)
37 SDOA1 O PCM output terminal from Main DSP (LS/RS output)
38 SDOA0 O PCM output terminal from Main DSP (L/R output)
39 SDIB3 I+ PCM input terminal 3 to Sub DSP
40 SDIB2 I+ PCM input terminal 2 to Sub DSP
41 SDIB1 I+ PCM input terminal 1 to Sub DSP
42 SDIB0 I+ PCM input terminal 0 to Sub DSP
43 VSS Ground terminal
44 VDD2 +2.5V power terminal (for internal circuit)
45 IPORT12 I+ IPINT general purpose input terminal
46 IPORT13 I+ IPINT general purpose input terminal
47 IPORT14 I+ IPINT general purpose input terminal
48 DIRSDO O AC-3/DTS bit stream (or PCM) data output terminal from DIR
49 DIRWCK O DIR: Serial data word clock (fs) output terminal
50 DIRBCK O DIR: Serial data bit clock (64fs) output terminal
51 DIRMCK O DIR: Serial data master clock (256fs or 128fs) output terminal
52 ERR/BS O DIR: Data error detect output/block start output terminal
53 SYNC/U O DIR: Serial data synchronouse timing output/user data output terminal
54 FS128/C O DIR: Serial data master clock 128fs output/channel status output terminal
55 DBL/V O DIR: Double rate clock output/validity flag output terminal
Function
DSP-AX2
(AXD)
(GND)
(ISEL)
(RSEL)
(CXDTA)
(CXDTB)
(CXDTE)
(MUTE)
(ISEL)
(Pull down)
(Pull up)
(Pull down)
(/ICD)
(Unconnected)
(Unconnected)
(Unconnected)
(Pull down)
(NONPCM)
(NONPCM)
(MUTE)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(DBL)
(DBL)
(DIRINT)
(Unconnected)
(WCK)
(BCK)
(MCK)
(Unconnected)
(Unconnected)
(Unconnected)
(DBL)
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