Analog Devices EV-21569-SOM, Руководство пользователя

Страница: 24 / 31

Boot Mode Select (
SW1
)
The Boot Mode selection switch selects between the different boot modes of the processor. The Boot Mode Switch
table shows the available boot mode settings. By default, the processor boots from SPI2 master boot which uses the
on-board SPI flash memory.
Table 3-6: Boot Mode Switch
Position Processor Boot Mode
0 No Boot
1 SPI Master Boot (Default)
2 SPI Slave Boot
3 UART Boot
4 Link Port Boot
5 OSPI Master Boot
6 Reserved
7 Reserved
Reset Pushbutton (
SW2
)
The reset pushbutton resets the ADSP-21569 processor. The reset signal also is connected to the expansion connec-
tors via the
SYS_HWRST
signal. Reset (
LED8
) is used to indicate when the board is in reset.
Jumpers
This section describes functionality of the configuration jumpers. The Switch/Jumper Locations figure shows the
jumper locations.
Power (
JP1
)
The power jumper ( JP1 ) selects the input power source to the EV-21569-SOM board. Pin 1-2 selects power input
from the P2 USB port and Pin 2-3 selects Power from the SoM Interface Connectors. When using the EV-
SOMCRR-EZKIT carrier board or other plug in carrier board, use Jumper setting Pin 2-3.
LEDs
This section describes the on-board LEDs. The LED Locations figure shows the LED locations.
Switches
EV-21569-SOM
®
Manual
3–9