Boot Mode Select ( Sw1 ); Reset Pushbutton ( Sw2 ); Gpio Pushbuttons ( Sw4, Sw3 And Sw9 ); Rotary Encoder ( Sw5 ) - Analog Devices ADSP-SC573 EZ-KIT Manual

Boot Mode Select (
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 3-8: Boot Mode Switch
Position
0
1
2
3
4
5
6
7
Reset Pushbutton (
The reset pushbutton resets the ADSP-SC573 processor. The reset signal also is connected to the expansion connec-
tors via the
SYS_HWRST
GPIO Pushbuttons (
The GPIO pushbuttons are connected to the processor's signals
PC_09/SPI1_MOSI/SMC0_AMS3b and PC_10/SPI1_SEL1b/SMC0_ARDY/SPI1_SSb
The GPIO pushbuttons can be disconnected from the processor by setting SoftConfig, see
Switches (SoftConfig)
Rotary Encoder (
The rotary encoder can be turned clockwise for an up count or counter-clockwise for a down count. The encoder
also features a momentary switch, activated by pushing the switch towards the center of the board, that can be used
to set the counter to zero. The rotary encoder is a two-bit quadrature (Gray code) encoder.
The rotary encoder can be disconnected from the processor by setting SoftConfig, see
(SoftConfig) for more information.
CAN Wake (
The CAN Wake switch provides a high or low rising edge signal to the WAKE pin on each of the CAN transceivers.
This will change the state of the transceiver from sleep to normal mode.
®
ADSP-SC573 EZ-KIT Manual
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)
SW1
)
SW2
signal. Reset (
LED22
SW4, SW3 and SW9
for more information.
)
SW5
)
SW8
Processor Boot Mode
No boot
SPI2 master boot
SPI2 slave boot
UART0 slave boot
Reserved
Reserved
Link Port 0 slave boot
Reserved
) is used to indicate when the board is in reset.
)
PC_08/SPI1_MISO/PPI0_D14/SMC0_AMS2b,
Switches
, respectively.
Software-Controlled
Software-Controlled Switches
3–11