VSX-AX5Ai-S
166
1
2
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4
1
2
3
4
C
D
F
A
B
E
Pin Function
No.
Name
I/O
Function
1
VDDL
−
Core power supply
2
SEL1FS
I
PCM output rate select 1 L: 2fs/4fs, H: fs
3
SEL4FS
I
PCM output rate select 2 L: 2fs, H: 4fs
4
SELEXT
I
fs/2fs/4fs output and external data output select L: fs/2fs/4fs data, H: external data (EXI**)
5
DSGAIN
I
DSD signal gain setting L: 100% modulation = 0dB, H: 50% modulation = 0dB
6
XMTPCM
I
PCM output mute control input L: Mute ON, H: Mute OFF
7
VDDH
−
I/O power supply
8
TEST1
I
Test input 1 (must be open or tie LOW for normal operation)
9
TEST2
I
Test input 2 (must be open or tie LOW for normal operation)
10
TEST3
I
Test input 3 (must be open or tie LOW for normal operation)
11
TOUT1
O
Test output 1
12
VSS
−
Ground
13
VDDL
−
Core power supply
14
DIRPCK
I
PCM output PBCK/PLRCK I/O select L: Output (master mode), H: Input (slave mode)
15
FMTPCM
I
PCM output format select L: MSB-first left-justified 32-bit, H: IIS 32-bit
16
VSS
−
Ground
17
MCKOUT
O
System clock output (selected by SELEXT)
18
VDDH
−
I/O power supply
19
PBCK
I/O
PCM output BCK bit clock
20
PLRCK
I/O
PCM output LRCK word clock
21
POSLR
O
PCM data output: surround left/right-channel
22
POCSW
O
PCM data output: center/subwoofer channel
23
POFLR
O
PCM data output: front left/right-channel
24
VSS
−
Ground
25
VDDL
−
Core power supply
26
TOUT2
O
Test output 2
27
MCK
I
Master clock input: 512fs (22.5792MHz, fs = 44.1kHz)
28
VSS
−
Ground
29
EXIMCK
I
External system clock input
30
VDDH
−
I/O power supply
31
EXIBCK
I
External PCM data BCK bit clock input
32
EXILRCK
I
External PCM data LRCK word clock input
33
EXISLR
I
External PCM data input: surround left/right-channel
34
EXICSW
I
External PCM data input: center/subwoofer channel
35
EXIFLR
I
External PCM data input: front left/right-channel
36
VSS
−
Ground
37
VDDL
−
Core power supply
38
DSBCK
I/O
DSD data input bit clock. Controlled by DIRDSCK
39
DSIFL
I
DSD data input: front left-channel
40
DSIFR
I
DSD data input: front right-channel
41
DSICT
I
DSD data input: center channel
42
DSISW
I
DSD data input: subwoofer channel
43
DSISL
I
DSD data input: surround left-channel
44
DSISR
I
DSD data input: surround right-channel
45
DIRDSCK
I
DSBCK I/O select L: input (slave), H: output (master)
46
SYNC
I
Forced synchronization input (active-HIGH edge)
47
INIT
I
Initialization input: Active-LOW, Resync on L -> H
48
VSS
−
Ground