Altera Nios Development Board User Manual
Page 47
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Altera Corporation
A–3
July 2005
Note to
(1)
This pin is NC for AM29LV128M but is provided for compatible devices that have the active pin A23.
Pin
Name
Pin #
Pin
Name
Pin #
Pin
Name
Pin #
Pin
Name
Pin #
Pin
Name
Pin #
FLASH_CS_n
Chip Select
IO
AE4
CE_n
32
FLASH_OE-N
Read Enable
IO
AB9
OE_n
34
FLASH_RW-N
Write Enable
IO
AD6
WE_n
13
FLASH_WP_N
Write
Protect/ACC
IO
Y6
WE_n.ACC
16
FLASH _BYTE_N
Byte Enable
IO
AB11
BYTE_n
53
FLASH_RESET_N
Reset
Reset_n
14
FLASH_RY-BY_N
Ready/Busy
IO
AE6
RY/BY_n
17
SRAM_BE_N0
Byte Enable 0
IO
K20
BE0#
39
SRAM_BE_N1
Byte Enable 1
IO
K19
BE1#
40
SRAM_BE_N2
Byte Enable 2
IO
K22
BE2#
39
SRAM_BE_N3
Byte Enable 3
IO
K21
BE3#
40
SRAM_CS_N
Chip Select
IO
J19
CS_n
6
CS_n
6
SRAM_OE_N
Read Enable
IO
J22
OE_n
41
OE_n
41
SRAM_WE_N
Write Enable
IO
J21
WE_n
17
WE_n
17
ENET_ADS_N
Address
Strobe
IO
AD2
ADS#
37
ENET_AEN
Address
Enable
IO
AF10
AEN
41
ENET_BE_N0
Byte Enable 0
IO
AD8
BE0#
94
ENET_BE_N1
Byte Enable 1
IO
AF9
BE1#
95
ENET_BE_N2
Byte Enable 2
IO
Y11
BE2#
96
ENET_BE_N3
Byte Enable 3
IO
W12
BE3#
97
ENET_CYCLE_N
Bus Cycle
IO
AC9
CYCLE#
35
ENET_DATACS_N
Data Chip
Select
IO
Y12
DATACS
#
34
ENET_INTRQ0
Interrupt
IO
AD11
INTRO
29
ENET_IOCHRDY
IO Char
Ready
IO
AD1
ARDY
38
ENET_IOR_N
Read
IO
AC10
RD#
31
ENET_IOW_N
Write
IO
AE11
WR#
32
ENET_LCLK
Local Bus
Clock
IO
W11
LCLK
42
ENET_LDEV_N
Local Device
IO
Y7
LDEV#
45
ENET_RDYRTN_N
Ready Return
IO
V12
RDYRTN
#
46
ENET_W_R_N
Write/Read
IO
AC8
W/R#
36
Table A–9. Shared Bus Table (Part 3 of 3)
NET Name
NET
Description
PLD (U60)
Flash (U5)
SRAM (U35)
SRAM (U36)
Ethernet (U4)