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Nor flash connection circuit – Epson S5U1C17801T1100 User Manual

Page 32

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9 CONNECTION CIRCUIT TO EXTERNAL MEMORY

26

EPSON

S5U1C17801T1100 HARDWARE MANUAL

(SOFTWARE EVALUATION TOOL FOR S1C17801)

NOR Flash Connection Circuit

SPANION 64M bits NOR Flash (S29JL064H) is installed on the SVT17801. The following diagram shows how the
EEPROM is connected to the SVT17801.

V

DD

V

DD

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

A22

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15/A-1

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

S29JL064H

S1C17801

V

CC

29

31

33

35

38

40

42

44

30

32

34

36

39

41

43

45

V

SS

V

SS

CE0

RD

WRL

P44

RESET

25

24

23

22

21

20

19

18

8

7

6

5

4

3

2

1

48

17

16

9

10

13

A1 to A22

D0 to D15

CE

OE

WE

RY/BY

WP/ACC

RESET

BYTE

26

28

11

15

14

12

37

47

R7

10K

C10

0.1µF

46

27

R8

10K

R9

10K

R10

10K

Fig. 9.2.1 NOR Flash Connection Circuit