CDB42528 Cirrus Logic Inc, CDB42528 Datasheet - Page 32

• Manufacturer Part Number: CDB42528
• Description: BOARD EVAL FOR CS42528/CS49300
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42528

• Main Purpose: Audio, Audio Processing
• Embedded: Yes, DSP
• Utilized Ic / Part: CS49300, CS42528
• Primary Attributes: 8 Single-Ended Analog Inputs and Outputs, 4 S/PDIF Inputs and 2 S/PDIF Outputs
• Secondary Attributes: Parallel, RS422, RS232, UDSP Interfaces
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1503

32
E X T E R N A L
R O M
D[7:0]
A[15:8]
A[7:0]
/CE
/ O E
SYSTEM
M I C R O
CONTROLLER
OCTAL F/F
Q[7:0]
D[7:0]
OCTAL F/F
Q[7:0]
+2.5V Supply (+2.5VD)
D[7:0]
Figure 16. SPI Control with External Memory
NOTE: A capacitor pair (1 uF and 0.1 uF) must be supplied for each power pin.
NOTE: +2.5VA is simply +2.5VD after filtering through the ferrite bead. Pin 32 must be referenced to +2.5VA
+
1 uF
+2.5VD
0.1 uF
+
E M A D [ 7 :0]
1 uF
0.1 uF
+2.5VD
+
1 uF
37
38
20
19
18
36
21
10
11
14
15
16
17
6
7
5
4
8
9
0.1 uF
D D
D C
INTREQ__ABOOT
S C D O U T
SCDIN
C S
S C C L K
R E S E T
R D _ _ E M O E
WR__GPIO10
E X T M E M
E M A D 7
E M A D 6
E M A D 5
E M A D 4
E M A D 3
E M A D 2
E M A D 1
E M A D 0
FERRITE BEAD
CS493XX
+
1 uF
CS49300 Family DSP
0.1 uF
A U D A T A 0
A U D A T A 1
A U D A T A 2
S L R C L K N
C M P R E Q
C M P D A T
C M P C L K
S D A T A N
CLKSEL
XMT958
S C L K N
LRCLK
CLKIN
M C L K
S C L K
FLT2
FLT1
+
+2.5VA
47 uF
C2
44
43
42
41
40
39
27
28
29
22
25
26
3
30
31
32
33
+2.5VA
+
R1
33
33
C1
33
C3
OSCILLATOR
D A C s
DIR or
A D C s
DS339F7
O P T _ T X