Figure 14. power supply decoupling schematic, Figure 15. boot prom schematic, An83 – Cirrus Logic AN83 User Manual
Page 24
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AN83
24
AN83REV3
Figure 14. Power Supply Decoupling Schematic
Figure 15. Boot PROM Schematic
C19
TANT
TANT
TANT
22
µF
22
µF
22
µF
C10
C1
+
+5V
GND
+
+
SA00
SA01
SA02
SA03
SA04
SA05
SA06
SA07
SA08
SA09
SA10
SA11
SA12
SA13
SA14
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
10
9
8
7
6
5
4
3
25
24
21
23
2
26
27
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
27C256
CE
OE
VPP
PROM_CS
1
22
20
19
18
17
16
15
13
12
11
PD7 2
PD6 3
PD5 4
PD4 5
PD3 6
PD2 7
PD1 8
PD0 9
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
18
17
16
15
13
12
11
14
OE
DIR
1
19
R1
4.7k
+5V
C4
0.1
µF
U7
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
74LS245
U6
C2
0.1
µF
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