ADSP-CM403F EZ-KIT Lite Evaluation System Manual
2-13
ADSP-CM403F EZ-KIT Lite Hardware Reference
Boot Mode Select Switch (SW1)
The rotary switch (
SW1
) determines the boot mode of the processor.
shows the available boot mode settings. By default, the
ADSP-CM403F processor boots from the on-board burst flash memory.
Reset Push Button (SW2)
The reset push button (
SW2
) resets the processor (
U1
) and the GPIO
extender (
U27
). The reset also is connected to the expansion interface via
the
SYS_HWRST
signal.
GPIO Push Buttons (SW3-4)
The GPIO push buttons (
SW3
and
SW4
) are connected to the processor’s
signals
PB_06/PWM2_AH/TM0_CLK/SMC0_D14
and
PB_07/PWM2_AL/TM0_TMR0/
SMC0_D15
, respectively. The signals are connected by default.
Table 2-5. Boot Mode Select Switch (SW1)
SW1 Position
Processor Boot Mode
0
No Boot – Idle
1
SPI master boot (internal SPI2). Default boot mode.
2
SPI slave boot (SPI0)
3
UART boot (UART0)