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
+3.3VD
4.70K
4.70K
10 k
10k
10k
NOTE: Only AUDATA0 connection applies for the CS492
MCLK
SCLK
44
43
42
33
33
23
12
VD3
VD2
VD1
DD
DC
38
S P I I N T E R FAC E
SYSTEM
M I C RO
CONTROL LER
VA
37
34
1
20
19
6
18
7
36
LRCLK
I N T R E Q _ _ A B O OT
SCDOUT
AU DATA 0
SCDIN
AU DATA 1
CS
AU DATA 2
SCCLK
RESET
C M P DAT
CMPCLK
DAC s
41
40
39
27
28
29
EXTERNAL
ROM
/CE
/O E
CS4923/4/5/6/7/8/9
5
4
RD__EMOE
WR__GPIO10
CMPREQ
DIR or
ADCs
OPT_TX
S DATA N
SCLKN
SLRCLKN
22
25
26
21
8
9
EXTMEM
XMT958
EMAD7
EMAD6
CLKIN
EMAD5
EMAD4
EMAD3
EMAD2
DGND1
DGND2
AGND
3
30
33
OCTAL F/ F
OCTAL F/ F
10
11
14
OSCILLATOR
10k
CLKSEL
F LT 2
F LT 1
31
32
33
A[15:8]
Q[7:0]
D[7:0]
Q[7:0]
D[7:0]
EMAD[7:0]
15
16
17
EMAD1
EMAD0
A[7:0]
D[7:0]
10k
13
24
DGND3
+3.3VA
+
2.2 uF
35
2
0.22 uF
Figure 16. SPI Control with External Memory
28
DS262F2