SAA7712H Datasheet, PDF (37/44 Pages) NXP Semiconductors – Sound effects DSP

Philips Semiconductors
Sound effects DSP
Preliminary specification
SAA7712H
17 APPLICATION INFORMATION
The application diagram (see Fig.19) must be considered as one of the examples of a (limited) application of the chip
e.g. in this case the I²S-bus inputs are not used. For the real application set-up the information of the application report
and application support by Philips are necessary on issues such as EMC, kappa reduction of the package,
DSP programming, etc.
handbook, full pagewidth
+3 V
+5 V +5 V
BLM32A07
+3 V
22 22 22
nF nF nF
27 29 28 24 26 25
37 36 30 31 32 33
HOST I/O
14 53 52 34 42
22 ^VDDD5V1
22 nF
+5 V
SYS_CLK 21
BLM32A07 _{VDD_OSC 64}
+3 V
100 nF VSS_OSC ₆₁
OSCILLATOR
RTCB 58
SHTCB 59
TSCAN 60
62
63
I²S-BUS
INPUT
SWITCH
2
PLL
SAA7712H
47 48 55 54 51 50 49 43
DSP
QUAD DAC
EQUALIZER
I²C-BUS
INTERFACE
57 56 35 23 13 46 45 44
19 OUT0_V
100 Ω
18 OUT0_I
16 OUT1_V ^{1.8 nF 100 Ω}
17 OUT1_I
10 nF
1.8 nF
12 OUT2_V
100 Ω
11 OUT2_I
9 OUT3_V ^{1.8 nF 100 Ω}
10 OUT3_I
10 nF
8 POM ^{1.8 nF}
15 VREFDA
OUT0
OUT1
10 nF
OUT2
OUT3
10 nF
22 µF
38 DSP_IN1
39 DSP_IN2
40 DSP_OUT1
41 DSP_OUT2
20 EQOV
4.7 µF
11.2896 MHz
10 pF
10 pF
1 µF
4.7 kΩ
4.7 kΩ
+5 V
MGS222
1999 Aug 05
Fig.19 Application diagram.
37