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
+3.3VA
FERRITE BEAD
1
uF
0.1 uF
1
uF
0.1 uF
1
uF
0.1 uF
1
uF
0.1 uF
47 uF
+
+
+
+
+
+3.3VD
+3.3VD
NOTE: Only AUDATA0 connection applies for the CS4929
37
33
DD
DC
44
M C L K
38
33
43
SCLK
42
LRCLK
20
19
6
SYSTEM
INTREQ__ABOOT
SCDIO
DACs
41
AUDATA0
AUDATA1
SCDIN
40
39
MICRO
18
7
CS
AUDATA2
SCCLK
36
RESET
CONTROLLER
27
28
29
CMPDAT
CMPCLK
C M P R E Q
DIR or
ADCs
CS4923/4/5/6/7/8/9
EXTERNAL
ROM
22
25
26
SDATAN
SCLKN
4
5
WR__GPIO10
OPT_TX
/CE
RD__EMOE
SLRCLKN
21
8
/OE
EXTMEM
EMAD7
EMAD6
EMAD5
EMAD4
EMAD3
EMAD2
EMAD1
EMAD0
3
XMT958
CLKIN
9
33
30
10
11
14
15
16
17
OCTAL F/ F
OCTAL F/ F
OSCILLATOR
31
32
33
CLKSEL
FLT2
Q[7:0]
D[7:0]
Q[7:0]
D[7:0]
A[15:8]
+3.3VA
FLT1
EMAD[7:0]
A[7:0]
D[7:0]
2.2 uF
+
0.22 uF
Figure 14. I2C Control with External Memory
26
DS262F2