CS4923/4/5/6/7/8/9
+3.3V Supply (+3.3VD)
NOTE: capacitor pair (1 u F and 0.1 uF) must be supplied for each power pin.
A
NOTE: +3.3VA is simply +3.3VD after fil tering 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 CS492
37
33
DD
DC
44
M C L K
38
33
43
SCLK
42
LRCLK
20
19
6
SYSTEM
INTREQ__ABOOT
SCDOUT
SCDIN
DACs
41
AUDATA0
40
MICRO
AUDATA1
18
7
CS
39
AUDATA2
SCCLK
36
RESET
CONTROLLER
27
CMPDAT
28
CMPCLK
DIR or
29
C M P R E Q
ADCs
CS4923/4/5/6/7/8/9
EXTERNAL
ROM
22
SDATAN
5
4
RD__EMOE
25
SCLKN
OPT_TX
WR__GPIO10
26
/CE
/OE
SLRCLKN
21
8
EXTMEM
EMAD7
EMAD6
EMAD5
EMAD4
EMAD3
EMAD2
EMAD1
EMAD0
3
XMT958
9
33
30
CLKIN
10
11
14
15
16
17
OCTAL F/ F
OCTAL F/ F
OSCILLATOR
31
CLKSEL
Q[7:0]
D[7:0]
Q[7:0]
D[7:0]
A[15:8]
32
FLT2
+3.3VA
33
FLT1
EMAD[7:0]
A[7:0]
D[7:0]
2.2 uF
+
0.22 uF
Figure 16. SPI Control with External Memory
28
DS262F2
CIRRUS [ CIRRUS LOGIC ]
