CS4923/4/5/6/7/8/9
+3.3V Supply (+3.3VD)
NOTE: A capacitor pair (1 u F and 0.1 uF) must be supplied for each power pin.
NOTE: +3.3VA is simply +3.3VD after fil tering through the ferrite bead. Pin 32 must be referenced to +3.3VA
FERRITE BEAD
+3.3VA
+
1 uF
0.1 uF
+
1 uF
0.1 uF
+
1 uF
0.1 uF
+
1 uF
0.1 uF
+
47 uF
+3.3VD
Resistor Pack 10k
4.70K
10k
10k
10k
+3.3VD
4.70K
4.70K
4.70K
23
12
VD3
VD2
VD1
VA
37
38
34
1
NOTE: Only AUDATA0 connection applies for the CS4929
MCLK
SCLK
44
43
42
33
33
DD
DC
I 2 C I N T E R FAC E
MICROCONTR OLLER
20
19
6
18
7
36
LRCLK
INTREQ
SCDIO
AU DATA 0
SCDIN
AU DATA 1
CS
AU DATA 2
SCCLK
RESET
C M P DAT
CMPCLK
CMPREQ
DAC (S)
41
40
39
27
28
29
CS4923/4/5/6/7/8/9
4
5
WR__GPIO10
DIR or
AD C [S]
OPT_TX
S DATA N
SCLKN
RD__GPIO11
SLRCLKN
22
25
26
21
8
9
10
11
14
15
16
17
GPIO8
XMT958
GPIO7
GPIO6
CLKIN
GPIO5
GPIO4
GPIO3
GPIO2
DGND1
DGND2
AGND
3
30
33
OSCILLATOR
10k
CLKSEL
F LT 2
F LT 1
31
32
33
GPIO1
GPIO0
13
24
35
E M A D _ G P IO [8:0]
2
DGND3
+3.3VA
+
2.2 uF
0.22 uF
10k
Figure 13. I
2
C Control
DS262F2
25