85
DVD-3910
PIN DESCRIPTION
No. Name I/O Property
1
Input
voltage
Description
1 VDDL −− 2.5V Core power supply
2 SEL1FS I PD 3.3V
PCM output rate select 1
L: 2fs/4fs, H: fs
3 SEL4FS I PD 3.3V
PCM output rate select 2
L: 2fs, H: 4fs
4 SELEXT I PD 3.3V
fs/2fs/4fs output and external data output select
L: fs/2fs/4fs data, H: external data (EXI**)
5 DSGAIN I PD 3.3V
DSD signal gain setting
L: 100% modulation = 0dB, H: 50% modulation = 0dB
6 XMTPCM I PD 3.3V
PCM output mute control input
L: Mute ON, H: Mute OFF
7 VDDH −− 3.3V I/O power supply
8 TEST1 I PD 3.3V Test input 1 (must be open or tie LOW for normal operation)
9 TEST2 I PD 3.3V Test input 2 (must be open or tie LOW for normal operation)
10 TEST3 I PD 3.3V Test input 3 (must be open or tie LOW for normal operation)
11 TOUT1 O −−Test output 1
12 VSS −− −Ground
13 VDDL −− 2.5V Core power supply
14 DIRPCK I PD 3.3V
PCM output PBCK/PLRCK I/O select
L: Output (master mode), H: Input (slave mode)
15 FMTPCM I PD 3.3V
PCM output format select
L: MSB-first left-justified 32-bit, H: IIS 32-bit
16 VSS −− −Ground
17 MCKOUT O 12mA − System clock output (selected by SELEXT)
18 VDDH −− 3.3V I/O power supply
19 PBCK I/O S, 6mA 3.3V PCM output BCK bit clock
20 PLRCK I/O S, 6mA 3.3V PCM output LRCK word clock
21 POSLR O 2mA − PCM data output: surround left/right-channel
22 POCSW O 2mA − PCM data output: center/subwoofer channel
23 POFLR O 2mA − PCM data output: front left/right-channel
24 VSS −− −Ground
25 VDDL −− 2.5V Core power supply
26 TOUT2 O −−Test output 2
27 MCK I − 3.3V Master clock input: 512fs (22.5792MHz, fs = 44.1kHz)
28 VSS −− −Ground
29 EXIMCK I − 3.3V External system clock input
30 VDDH −− 3.3V I/O power supply
31 EXIBCK I S 3.3V External PCM data BCK bit clock input
32 EXILRCK I S 3.3V External PCM data LRCK word clock input
33 EXISLR I − 3.3V External PCM data input: surround left/right-channel
34 EXICSW I − 3.3V External PCM data input: center/subwoofer channel
35 EXIFLR I − 3.3V External PCM data input: front left/right-channel
36 VSS −− −Ground
37 VDDL −− 2.5V Core power supply
38 DSBCK I/O S, 6mA 3.3V DSD data input bit clock. Controlled by DIRDSCK
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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