Pioneer VSX-56TXi Service Manual page 168

1
Pin Function
No. Name
1 VDDL
A
2 SEL1FS
3 SEL4FS
4 SELEXT
5 DSGAIN
6 XMTPCM
7 VDDH
8 TEST1
9 TEST2
10 TEST3
11 TOUT1
B
12 VSS
13 VDDL
14 DIRPCK
15 FMTPCM
16 VSS
17 MCKOUT
18 VDDH
19 PBCK
20 PLRCK
21 POSLR
22 POCSW
C
23 POFLR
24 VSS
25 VDDL
26 TOUT2
27 MCK
28 VSS
29 EXIMCK
30 VDDH
31 EXIBCK
32 EXILRCK
D
33 EXISLR
34 EXICSW
35 EXIFLR
36 VSS
37 VDDL
38 DSBCK
39 DSIFL
40 DSIFR
41 DSICT
42 DSISW
E
43 DSISL
44 DSISR
45 DIRDSCK
46 SYNC
47 INIT
48 VSS
F
168
1
2
I/O
−
Core power supply
I PCM output rate select 1 L: 2fs/4fs, H: fs
I PCM output rate select 2 L: 2fs, H: 4fs
I fs/2fs/4fs output and external data output select L: fs/2fs/4fs data, H: external data (EXI**)
I DSD signal gain setting L: 100% modulation = 0dB, H: 50% modulation = 0dB
I PCM output mute control input L: Mute ON, H: Mute OFF
−
I/O power supply
I Test input 1 (must be open or tie LOW for normal operation)
I Test input 2 (must be open or tie LOW for normal operation)
I Test input 3 (must be open or tie LOW for normal operation)
O Test output 1
−
Ground
−
Core power supply
I PCM output PBCK/PLRCK I/O select L: Output (master mode), H: Input (slave mode)
I PCM output format select L: MSB-first left-justified 32-bit, H: IIS 32-bit
−
Ground
O System clock output (selected by SELEXT)
−
I/O power supply
I/O PCM output BCK bit clock
I/O PCM output LRCK word clock
O PCM data output: surround left/right-channel
O PCM data output: center/subwoofer channel
O PCM data output: front left/right-channel
−
Ground
−
Core power supply
O Test output 2
I Master clock input: 512fs (22.5792MHz, fs = 44.1kHz)
−
Ground
I External system clock input
−
I/O power supply
I External PCM data BCK bit clock input
I External PCM data LRCK word clock input
I External PCM data input: surround left/right-channel
I External PCM data input: center/subwoofer channel
I External PCM data input: front left/right-channel
−
Ground
−
Core power supply
I/O DSD data input bit clock. Controlled by DIRDSCK
I DSD data input: front left-channel
I DSD data input: front right-channel
I DSD data input: center channel
I DSD data input: subwoofer channel
I DSD data input: surround left-channel
I DSD data input: surround right-channel
I DSBCK I/O select L: input (slave), H: output (master)
I Forced synchronization input (active-HIGH edge)
I Initialization input: Active-LOW, Resync on L -> H
−
Ground
VSX-56TXi
2
3
Function
3
4
4