CS4923/4/5/6/7/8/9
+3.3V Supply (+3.3VD)
NOTE: A capacitor pair (1 uF and 0.1 uF) must be supplied for each power pin.
NOTE: +3.3VA is simply +3.3VD after filt ering 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
+3.3VD
4.70K
4.70K
10 k
10k
NOTE: Only AUDATA0 connection applies for the CS4929
MCLK
SCLK
44
43
42
33
33
23
12
VD3
VD2
VD1
DD
DC
38
MICROCONTR OLLER
S P I I N T E R FAC E
VA
37
34
1
20
19
6
18
7
36
LRCLK
INTREQ
SCDOUT
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
5
4
RD__GPIO11
DIR or
ADCs
OPT_TX
S DATA N
SCLKN
WR__GPIO10
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 15. SPI Control
DS262F2
27