SAA7715 Datasheet, PDF (30/36 Pages) NXP Semiconductors – Digital Signal Processor

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SPDIF
input signals
75 Ω
75 Ω
100 nF
100 nF
100 pF
100 pF
100 100 100 47 47
nF
nF nF
µF
µF 10 Ω
10 Ω
L1
L2
+3.3 V
47 µF
IIS_BCK1 1
IIS_WS1 2
IIS_IN1 3
IIS_IN4 5
24 25
digital
inputs
IIS_IN2 6
SAA7715H
IIS_IN3 9
÷2
S
PLL
478
DSP CLOCK
35 17 23 16
XRAM YRAM
DSP CORE
PRAM PROM
37 15 21 14 10
31 IIS_OUT1
30 IIS_OUT2
29 IIS_OUT3
28 IIS_OUT4
33 IIS_BCK
32 IIS_WS
digital
outputs
STEREO
DAC
256 fs
CLOCK
10 kΩ
34 VOUTL ^{47 µF}
36 VOUTR
39 POM ^{47 µF}
38 VREFDA
10 kΩ
100 Ω
100 Ω
left output
right output
microcontroller
4.7 µF
47 µF
100 nF
TCB
I²C-BUS
WS_PLL
22
41
(1) Omit this capacitor when a microcontroller is used.
44 43 42 40 20 19 26
13 12 11
DSP flags
+5 V
4.7 kΩ
22 kΩ
+5 V
4.7 kΩ
microcontroller
I²C-bus
Fig.11 Application diagram.
27 18
+3.3 V
22 kΩ
1 µF⁽¹⁾
microcontroller
MGT831