CS5503-BS View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS5503-BS Datasheet PDF : 54 Pages
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CDB5501 CDB5503
CDB5501/CDB5503
Clock Options
Several clock source options are available. These
include:
1) an external clock (+5 V CMOS-Compatible);
2) an on-board 4.9152 MHz crystal oscillator
with a 2n divider (n = 1, 2, …7);
3) a 4.096 MHz crystal.
Connector P1 allows jumper selection of either an
external clock or the on-board 4.9152 MHz crys-
tal oscillator (See Figure 1 for schematic) as the
clock source for the CLKIN signal on pin 3 of the
CS5501/CS5503 (shown in Figure 2).
If the EXT position is selected, a CMOS-compat-
ible clock signal (5 volt supply) should be input
to the BNC connector labeled CLKIN. If the INT
position is selected the 4.9152 MHz oscillator
output is input to counter/divider IC U2. In either
TP6
V+
10
CL
U3
16 0.1 µF
C5
11
R
1
2
3
74HC4040
4567
8
9 10 11 12 8
9 7 6 5 3 2 4 13 12 14 15 1
P4
N = 0 1 2 3 4 5 6 7 8 9 10 11 R 14
Decimation Counter
100 k
V+10
12 D S Q 9
U8B
74HC74
11 CL
Q8
R
1
U6
2
13
V+
DCS
(fig. 3)
CLKIN
(fig. 1)
TP7
16
CS
TP8
2
CLKOUT
DRDY 18
Y2
3
CLKIN
TP10
SDATA 20
U4
CS5501/
CS5503
TP9
SCLK 19
V+
MODE 1
R 11
100 k
P5
V+
MODE:
*AC Mode available only in CS5501
NC DC
23
1 U7
74HC126
V+
C15
P9
P10
2 1 CS
R17
100 k
0.1 µF
DRDY
(fig. 4)
5 14 6
U7
4 3 DR
47
V+
C23
0.1 µF
SDATA RN 3.5
(fig. 3, 4)
47 k
45
14
3 U6 U6 7 6
5 SD
6
74HCT04
SCLK
(fig. 3)
R 13
100 k
R 12
100 k
135
246
V-
SSC SEC AC*
U7
98
10
8
9
V+
U6
8
13 12
RN 3.5
47 k
11U7
10
P11
BC NC
BRCLK
(fig. 1)
7 SCO
9 SCI
Figure 2. Decimation Counter / Microport
4444
DS31DB43
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