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Figure 14. power supply decoupling schematic, Figure 15. boot prom schematic, An83 – Cirrus Logic AN83 User Manual

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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