Altera Nios Development Board User Manual
Page 41
Altera Corporation
A–3
September 2004
Pin
Name
Pin #
Pin
Name
Pin #
Pin
Name
Pin
#
Pin
Name
Pin #
Pin
Name
Pin #
FLASH_CS_n
Chip Select
IO
K19
CE_n
28
FLASH_OE-N
Read Enable
IO
F19
OE_n
30
FLASH_RW-N
Write Enable
IO
G19
WE_n
11
FLASH_RY-BY_N
Ready/Busy
IO
L18
RY/BY
_n
14
SRAM_BE_N0
Byte Enable 0
IO
M18
BE0#
39
SRAM_BE_N1
Byte Enable 1
IO
F17
BE1#
40
SRAM_BE_N2
Byte Enable 2
IO
J18
BE2#
39
SRAM_BE_N3
Byte Enable 3
IO
L17
BE3#
40
SRAM_CS_N
Chip Select
IO
B24
CS_n
6
CS_n
6
SRAM_OE_N
Read Enable
IO
B26
OE_n
41
OE_n
41
SRAM_WE_N
Write Enable
IO
C24
WE_n
17
WE_n
17
ENET_ADS_N
Address Strobe
IO
V25
ADS#
37
ENET_AEN
Address Enable
IO
V28
AEN
41
ENET_BE_N0
Byte Enable 0
IO
T22
BE0#
94
ENET_BE_N1
Byte Enable 1
IO
U26
BE1#
95
ENET_BE_N2
Byte Enable 2
IO
U25
BE2#
96
ENET_BE_N3
Byte Enable 3
IO
T19
BE3#
97
ENET_CYCLE_N
Bus Cycle
IO
U27
CYCLE
#
35
ENET_DATACS_N
Data Chip
Select
IO
T20
DATA
CS#
34
ENET_INTRQ0
Interrupt
IO
V27
INTRO
29
ENET_IOCHRDY
IO Char Ready
IO
V26
ARDY
38
ENET_IOR_N
Read
IO
T23
RD#
31
ENET_IOW_N
Write
IO
T24
WR#
32
ENET_LCLK
Local Bus
Clock
IO
R26
LCLK
42
ENET_LDEV_N
Local Device
IO
T26
LDEV#
45
ENET_RDYRTN_N
Ready Return
IO
T28
RDYR
TN#
46
ENET_W_R_N
Write/Read
IO
T21
W/R#
36
Table A–9. Shared Bus Table (Part 3 of 3)
NET Name
NET
Description
PLD (U53)
Flash (U5)
SRAM (U35) SRAM (U36) Ethernet (U4)