Altera Nios Development Board Cyclone II Edition User Manual

Page 24

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2–12

Reference Manual

Altera Corporation

Nios Development Board Cyclone II Edition

May 2007

Board Components

The on-board configuration controller makes assumptions about what-
resides-where in flash memory. For details refer to

“SW10 – Reset,

Config” on page 2–35

.

f

See www.amd.com for detailed information about the flash memory
device.

E15

4

fe_a15

H15

3

fe_a16

H16

54

fe_a17

A17

19

fe_a18

B17

18

fe_a19

G15

11

fe_a20

F15

12

fe_a21

F16

15

fe_a22

G16

2

fe_a23

D8

35

fe_d0

C8

37

fe_d1

F10

39

fe_d2

G10

41

fe_d3

D9

44

fe_d4

C9

46

fe_d5

B8

48

fe_d6

A8

50

fe_d7

H17

32

flash_cs_n

F17

34

flash_oe_n

G17

13

flash_rw_n

B18

16

flash_wp_n

C17

53

flash_byte_n

(1)

D17

17

flash_ry_by_n

Note to

Table 2–8

:

(1)

BYTE_n on U5 is pulled low to keep the flash memory in byte
mode which restricts the usable modes of operation.

Table 2–8. Flash Memory Pin Table (Continued)

FPGA Pin

U5 Pin

Board Net Name

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