CS49300 Family DSP
+2.5V Supply (+2.5VD)
NOTE: capacitor pair (1 uF and 0.1 uF) must be supplied for each power pin.
A
NOTE: +2.5VA is simply +2.5VD after filtering through the ferrite bead. Pin 32 must be referenced to +2.5VA
+2.5VA
FERRITE BEAD
1
uF
0.1 uF
1
uF
0.1 uF
1
uF
0.1 uF
1
uF
0.1 uF
47 uF
+
+
+
+
+
+2.5VD
+2.5VD
37
33
33
DD
DC
44
43
42
MCLK
SCLK
38
LRCLK
20
19
6
SYSTEM
INTREQ__ABOOT
SCDOUT
SCDIN
DACs
41
40
39
AUDATA0
AUDATA1
AUDATA2
MICRO
18
7
CS
SCCLK
36
RESET
CONTROLLER
27
28
29
CMPDAT
CMPCLK
CMPREQ
DIR or
ADCs
CS493XX
EXTERNAL
ROM
22
25
26
SDATAN
SCLKN
5
4
RD__EMOE
OPT_TX
WR__GPIO10
/CE
/OE
SLRCLKN
21
8
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]
+2.5VA
FLT1
C1
+
EMAD[7:0]
A[7:0]
D[7:0]
R1
C2
C3
Figure 16. SPI Control with External Memory
DS339PP4
29
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