11
PS
Enabled/ Disabled
Disabled
Fast
10000
Standard
10001
AS(X1 and X4)
Enabled/ Disabled
Enabled
Fast
10010
Standard
10011
Table 3-2
shows the switch controls and descriptions for MSEL.
Table 3-2 SW10 FPGA Configuration Mode Switch
Board Reference
Signal Name
Description
Default
SW10.1
MSEL0
Sets the Cyclone V MSEL[4:0] pins.
Use these pins to set the configuration
scheme and POR delay.
On
SW10.2
MSEL1
Off
SW10.3
MSEL2
On
SW10.4
MSEL3
On
SW10.5
MSEL4
Off
SW10.6
N/A
N/A
N/A
3
3
.
.
1
1
.
.
2
2
H
H
P
P
S
S
B
B
O
O
O
O
T
T
S
S
E
E
L
L
a
a
n
n
d
d
C
C
L
L
K
K
S
S
E
E
L
L
S
S
e
e
t
t
t
t
i
i
n
n
g
g
The processor in the HPS can be boot from many sources such as the SD card, QSPI Flash or FPGA.
Selecting the boot source for the HPS can be set using the BOOTSEL signal.
Figure 3-1
lists the
settings for selecting a suitable boot source. The default boot source for the HPS is from SD card
with fixing BOOTSEL[2:0] = 101. HPS flash controller clock frequency can be set using
CLOCKSEL signal.
Table 3-3
lists the setting for SD/MMC controller CLOCKSEL pins. The
default CLOCKSEL setting is CLOCKSEL[1:0] = 00.
If users need to change BOOTSEL[2:0] and CLOCKSEL[1:0] setting, since we make our
schematic/layout flexible, users can change BOOTSEL[2:0] and CLOCKSEL[1:0] by :
Change the BOOTSEL and CLOCKSEL resistors on the board
By soldering or removing the resistors (R97~R100, R106~R111) will change the value of
BOOTSEL and CLOCKSEL.
Add a x6 dip switch (SW16) on the board
Solder SW16, R97, R98, R107 and remove R99, R100, R110, will let MSEL[4:0] value to be
changed by switching SW16.
Table 3-4
shows the switch controls and descriptions for MSEL
Table 3-3 BOOTSEL[2:0] Setting Values and Flash Device Selection
BOOTSEL[2:0] Setting Value
Flash Device
000
Reserved
001
FPGA (HPS-to-FPGA bridge)
Summary of Contents for DE1-SOC
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Page 108: ...107 Figure 8 4 Select Devices Page...