Cirrus Logic CS61583 - Manual (Page 42)

RV+
1
RG
ND1
AG
N
D
1
BG
R
E
F
AG
N
D
2
AV+ RESET REFCL
K
R
L
OOP
2
1X
C
L
K
RG
ND2
RV+
2
U 7
C S61583
TIMING CIRCUITR Y
29 40
C 5
.1
µ
F
V D +
R 2 3 47 K
R1
0
4.
99k
C 6
C 7
.1
µ
F
1 .0 µ F
V D +
V D +
V D +
S W 1
1
2
R 11 10 K
Y 1
1X
C
L
K
4 2
1 3
J14
8
V C C
G N D
C 14
.1
µ
F
U 4 R E F C L K
J15
C 8
.1
µ
F
V D +
J 10
(m ust be jum pe red)
V A +
30 31 32 33 34 35 36 37 38 39
S W 6
R L O O P 2
N otes: A crystal o scillator at U 4 o r e xtern al refere nce sup plied a t J15 m ust be p rovided .
A qu artz crystal cann ot b e use d w ith the C S 6 158 3
Figure 4. Timing Circuitry
CDB61583
42 DB172PP1