AT91CAP9A-DK Development Kit User Guide
7-21
6321B–CAP–02-Jul-07
7.7.5
User LEDs and I/O Grid
The 1.27 mm spaced I/O grid gathers miscellaneous yet unused FPGA signals. The user must be aware
that some of these signals share configuration functions and therefore may be active at boot time.
Note also the four signals that drive the user LEDs
UGRID55 (LED DS2 - left)
UGRID56 (LED DS3)
UGRID57 (LED DS4)
UGRID58 (LED DS5 - right)
The grid matrix assignment is as follows:
Column A = UGRID00.. 09 (A0 = UGRID00.. A9 = UGRID09)
Column B = UGRID10..19
Column C = UGRID20..29
Column D = UGRID30..39
Column E = UGRID40..49
Column F = UGRID50..59
Column G = UGRID60..69
Column H = UGRID70..75, 3.3V, 3.3V, GND, GND
H36
DNU2
n.c.
H37
SM_CS3#
PISMO_SM46
M7
DIFFIO_TX77n
5
H38
SM_CS2#
PISMO_SM45
J1
DIFFIO_RX78p
5
H39
SM_CS1#
PISMO_SM44
J2
DIFFIO_RX78n
5
H40
SM_CS0#
PISMO_SM43
N6
DIFFIO_TX78p
5
Table 7-3. PISMO-FPGA Signal Assignment (Continued)
PISMO
Pin
Standard PISMO
Name
Board Signal Name
FPGA Pin
Alternate FPGA
Pin Function
FPGA Bank
Table 7-4. I/O Grid
FPGA Bank
Pin Name
Alternate Function
Configuration Function
Board Signal Name
FPGA Bank
B8
IO
CS
AC22
UGRID00
B8
IO
CLKUSR
AD23
UGRID01
B8
IO
nWS
AE23
UGRID02
B8
IO
nRS
AF23
UGRID03
B8
IO
RUnLU
AG17
UGRID04
B8
IO
DEV_OE
AH17
UGRID05
B8
IO
DEV_CLRn
AG19
UGRID06
B8
IO
nCS
AG18
UGRID07
B12
IO
PLL12_FBn/OUT2n
AL19
UGRID08
B12
IO
PLL12_FBp/OUT2p
AM19
UGRID09
B12
IO
PLL12_OUT1n
AH18
UGRID10
Содержание AT91CAP9
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