SM5819HQF Datasheet, PDF (2/18 Pages) Nippon Precision Circuits Inc – 6-channel DSD-PCM Converter

SM5819HQF
PIN DESCRIPTION
No.
Name
I/O
Property¹
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
NIPPON PRECISION CIRCUITS INC.—2